diff options
Diffstat (limited to 'Thermodynamics:_From_concepts_to_applications')
112 files changed, 25335 insertions, 0 deletions
diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter10.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter10.ipynb new file mode 100755 index 00000000..b5e1628e --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter10.ipynb @@ -0,0 +1,173 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:2af45763cdabb4c15384bcd3c0f85ef0384f4698a0a51376cf62b1a662fc76dc"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter10-Availbility,exergy and irreversibilitiy"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 180"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work of the water and heat interaction of the water and aximum work done\n",
+ "##initialisation of variables\n",
+ "m= 2 ##kg\n",
+ "p= 200 ##kPa\n",
+ "v2= 0.9596 ##m^3/kg\n",
+ "v1= 0.001 ##m^3/kg\n",
+ "u2= 2768.8 ##kJ/kg\n",
+ "u1= 83.96 ##kJ/kg\n",
+ "T= 20 ##C\n",
+ "u3= 2576.9 ##kJ/kg\n",
+ "s2= 7.2795 ##kJ/kg K\n",
+ "s1= 0.2966 ##kJ/kg K\n",
+ "Tr= 150 ##C\n",
+ "##CALCULATIONS\n",
+ "W= m*p*(v2-v1)\n",
+ "Q= m*(u2-u1)\n",
+ "A= m*((u3-u1)-(273.15+T)*(s2-s1))\n",
+ "Ar= -Q*(1-((273.15+T)/(273.15+Tr)))\n",
+ "Wrep= -(A+Ar)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work of the water =',W,'kJ')\n",
+ "print'%s %.1f %s'% ('Heat interaction of the water =',Q,'kJ')\n",
+ "print'%s %.1f %s'%('maximum work done =',Wrep,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the water = 383.4 kJ\n",
+ "Heat interaction of the water = 5369.7 kJ\n",
+ "maximum work done = 757.9 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 182"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate irreversibility of the processes\n",
+ "##initialisation of variables\n",
+ "Wrev= 757.8 ##kJ\n",
+ "W= 383.4 ##kJ\n",
+ "m= 2 ##kg\n",
+ "s2= 7.2795 ##kJ/kg K\n",
+ "s1= 0.2966 ##kJ/kg K\n",
+ "Qr= 5369.7 ##kJ\n",
+ "T= 150 ##C\n",
+ "T0= 20 ##C\n",
+ "##CALCULATIONS\n",
+ "I= Wrev-W\n",
+ "dS= m*(s2-s1)\n",
+ "Sr= -Qr/(273.15+T)\n",
+ "I1= (273.15+T0)*(dS+Sr)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Irreversibility of the process=',I1,'kJ')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Irreversibility of the process= 374.1 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg192"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate mass flow rates and wmax and irreversibility\n",
+ "import math\n",
+ "##initialisation of variables\n",
+ "h3= 2793.2 ##kJ/kg\n",
+ "h2= 1342.3 ##kJ/kg\n",
+ "h1= 2993.5 ##kJ/kg\n",
+ "m3= 2.5 ##kg/s\n",
+ "b1= 1043.9 ##kJ/kg\n",
+ "b2= 374.24 ##kJ/kg\n",
+ "b3= 875.41 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "m1= m3*((h3-h2)/(h1-h2))\n",
+ "m2= m3*((h3-h1)/(h2-h1))\n",
+ "Bin= (m1*b1+m2*b2)\n",
+ "Bout= m3*b3\n",
+ "B= Bin-Bout\n",
+ "Wmax= B\n",
+ "I= B\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('mass flow rate=',m1,'kg/s')\n",
+ "print'%s %.3f %s'%('mass flow rate=',m2,'kg/s')\n",
+ "print'%s %.3f %s'%('Wmax=',Wmax,'kg/s')\n",
+ "print'%s %.1f %s'%('Irreversibility=',Wmax,'kW')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass flow rate= 2.197 kg/s\n",
+ "mass flow rate= 0.303 kg/s\n",
+ "Wmax= 218.141 kg/s\n",
+ "Irreversibility= 218.1 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter10_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter10_1.ipynb new file mode 100755 index 00000000..b5e1628e --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter10_1.ipynb @@ -0,0 +1,173 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:2af45763cdabb4c15384bcd3c0f85ef0384f4698a0a51376cf62b1a662fc76dc"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter10-Availbility,exergy and irreversibilitiy"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 180"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work of the water and heat interaction of the water and aximum work done\n",
+ "##initialisation of variables\n",
+ "m= 2 ##kg\n",
+ "p= 200 ##kPa\n",
+ "v2= 0.9596 ##m^3/kg\n",
+ "v1= 0.001 ##m^3/kg\n",
+ "u2= 2768.8 ##kJ/kg\n",
+ "u1= 83.96 ##kJ/kg\n",
+ "T= 20 ##C\n",
+ "u3= 2576.9 ##kJ/kg\n",
+ "s2= 7.2795 ##kJ/kg K\n",
+ "s1= 0.2966 ##kJ/kg K\n",
+ "Tr= 150 ##C\n",
+ "##CALCULATIONS\n",
+ "W= m*p*(v2-v1)\n",
+ "Q= m*(u2-u1)\n",
+ "A= m*((u3-u1)-(273.15+T)*(s2-s1))\n",
+ "Ar= -Q*(1-((273.15+T)/(273.15+Tr)))\n",
+ "Wrep= -(A+Ar)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work of the water =',W,'kJ')\n",
+ "print'%s %.1f %s'% ('Heat interaction of the water =',Q,'kJ')\n",
+ "print'%s %.1f %s'%('maximum work done =',Wrep,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the water = 383.4 kJ\n",
+ "Heat interaction of the water = 5369.7 kJ\n",
+ "maximum work done = 757.9 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 182"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate irreversibility of the processes\n",
+ "##initialisation of variables\n",
+ "Wrev= 757.8 ##kJ\n",
+ "W= 383.4 ##kJ\n",
+ "m= 2 ##kg\n",
+ "s2= 7.2795 ##kJ/kg K\n",
+ "s1= 0.2966 ##kJ/kg K\n",
+ "Qr= 5369.7 ##kJ\n",
+ "T= 150 ##C\n",
+ "T0= 20 ##C\n",
+ "##CALCULATIONS\n",
+ "I= Wrev-W\n",
+ "dS= m*(s2-s1)\n",
+ "Sr= -Qr/(273.15+T)\n",
+ "I1= (273.15+T0)*(dS+Sr)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Irreversibility of the process=',I1,'kJ')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Irreversibility of the process= 374.1 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg192"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate mass flow rates and wmax and irreversibility\n",
+ "import math\n",
+ "##initialisation of variables\n",
+ "h3= 2793.2 ##kJ/kg\n",
+ "h2= 1342.3 ##kJ/kg\n",
+ "h1= 2993.5 ##kJ/kg\n",
+ "m3= 2.5 ##kg/s\n",
+ "b1= 1043.9 ##kJ/kg\n",
+ "b2= 374.24 ##kJ/kg\n",
+ "b3= 875.41 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "m1= m3*((h3-h2)/(h1-h2))\n",
+ "m2= m3*((h3-h1)/(h2-h1))\n",
+ "Bin= (m1*b1+m2*b2)\n",
+ "Bout= m3*b3\n",
+ "B= Bin-Bout\n",
+ "Wmax= B\n",
+ "I= B\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('mass flow rate=',m1,'kg/s')\n",
+ "print'%s %.3f %s'%('mass flow rate=',m2,'kg/s')\n",
+ "print'%s %.3f %s'%('Wmax=',Wmax,'kg/s')\n",
+ "print'%s %.1f %s'%('Irreversibility=',Wmax,'kW')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass flow rate= 2.197 kg/s\n",
+ "mass flow rate= 0.303 kg/s\n",
+ "Wmax= 218.141 kg/s\n",
+ "Irreversibility= 218.1 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter10_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter10_2.ipynb new file mode 100755 index 00000000..b5e1628e --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter10_2.ipynb @@ -0,0 +1,173 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:2af45763cdabb4c15384bcd3c0f85ef0384f4698a0a51376cf62b1a662fc76dc"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter10-Availbility,exergy and irreversibilitiy"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 180"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work of the water and heat interaction of the water and aximum work done\n",
+ "##initialisation of variables\n",
+ "m= 2 ##kg\n",
+ "p= 200 ##kPa\n",
+ "v2= 0.9596 ##m^3/kg\n",
+ "v1= 0.001 ##m^3/kg\n",
+ "u2= 2768.8 ##kJ/kg\n",
+ "u1= 83.96 ##kJ/kg\n",
+ "T= 20 ##C\n",
+ "u3= 2576.9 ##kJ/kg\n",
+ "s2= 7.2795 ##kJ/kg K\n",
+ "s1= 0.2966 ##kJ/kg K\n",
+ "Tr= 150 ##C\n",
+ "##CALCULATIONS\n",
+ "W= m*p*(v2-v1)\n",
+ "Q= m*(u2-u1)\n",
+ "A= m*((u3-u1)-(273.15+T)*(s2-s1))\n",
+ "Ar= -Q*(1-((273.15+T)/(273.15+Tr)))\n",
+ "Wrep= -(A+Ar)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work of the water =',W,'kJ')\n",
+ "print'%s %.1f %s'% ('Heat interaction of the water =',Q,'kJ')\n",
+ "print'%s %.1f %s'%('maximum work done =',Wrep,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the water = 383.4 kJ\n",
+ "Heat interaction of the water = 5369.7 kJ\n",
+ "maximum work done = 757.9 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 182"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate irreversibility of the processes\n",
+ "##initialisation of variables\n",
+ "Wrev= 757.8 ##kJ\n",
+ "W= 383.4 ##kJ\n",
+ "m= 2 ##kg\n",
+ "s2= 7.2795 ##kJ/kg K\n",
+ "s1= 0.2966 ##kJ/kg K\n",
+ "Qr= 5369.7 ##kJ\n",
+ "T= 150 ##C\n",
+ "T0= 20 ##C\n",
+ "##CALCULATIONS\n",
+ "I= Wrev-W\n",
+ "dS= m*(s2-s1)\n",
+ "Sr= -Qr/(273.15+T)\n",
+ "I1= (273.15+T0)*(dS+Sr)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Irreversibility of the process=',I1,'kJ')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Irreversibility of the process= 374.1 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg192"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate mass flow rates and wmax and irreversibility\n",
+ "import math\n",
+ "##initialisation of variables\n",
+ "h3= 2793.2 ##kJ/kg\n",
+ "h2= 1342.3 ##kJ/kg\n",
+ "h1= 2993.5 ##kJ/kg\n",
+ "m3= 2.5 ##kg/s\n",
+ "b1= 1043.9 ##kJ/kg\n",
+ "b2= 374.24 ##kJ/kg\n",
+ "b3= 875.41 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "m1= m3*((h3-h2)/(h1-h2))\n",
+ "m2= m3*((h3-h1)/(h2-h1))\n",
+ "Bin= (m1*b1+m2*b2)\n",
+ "Bout= m3*b3\n",
+ "B= Bin-Bout\n",
+ "Wmax= B\n",
+ "I= B\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('mass flow rate=',m1,'kg/s')\n",
+ "print'%s %.3f %s'%('mass flow rate=',m2,'kg/s')\n",
+ "print'%s %.3f %s'%('Wmax=',Wmax,'kg/s')\n",
+ "print'%s %.1f %s'%('Irreversibility=',Wmax,'kW')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass flow rate= 2.197 kg/s\n",
+ "mass flow rate= 0.303 kg/s\n",
+ "Wmax= 218.141 kg/s\n",
+ "Irreversibility= 218.1 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter10_3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter10_3.ipynb new file mode 100755 index 00000000..2e7052ae --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter10_3.ipynb @@ -0,0 +1,268 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:16b1c2cc801cda98e0ace8defb279a777c58af21d95f2870f967a88451f72b4b"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter10-Availbility,exergy and irreversibilitiy"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 240"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work of the water and heat interaction of the water and aximum work done\n",
+ "##initialisation of variables\n",
+ "m= 2 ##kg\n",
+ "p= 200 ##kPa\n",
+ "v2= 0.9596 ##m^3/kg\n",
+ "v1= 0.001 ##m^3/kg\n",
+ "u2= 2768.8 ##kJ/kg\n",
+ "u1= 83.96 ##kJ/kg\n",
+ "T= 20 ##C\n",
+ "u3= 2576.9 ##kJ/kg\n",
+ "s2= 7.2795 ##kJ/kg K\n",
+ "s1= 0.2966 ##kJ/kg K\n",
+ "Tr= 150 ##C\n",
+ "##CALCULATIONS\n",
+ "W= m*p*(v2-v1)\n",
+ "Q= m*(u2-u1)\n",
+ "A= m*((u3-u1)-(273.15+T)*(s2-s1))\n",
+ "Ar= -Q*(1-((273.15+T)/(273.15+Tr)))\n",
+ "Wrep= -(A+Ar)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work of the water =',W,'kJ')\n",
+ "print'%s %.1f %s'% ('Heat interaction of the water =',Q,'kJ')\n",
+ "print'%s %.1f %s'%('maximum work done =',Wrep,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the water = 383.4 kJ\n",
+ "Heat interaction of the water = 5369.7 kJ\n",
+ "maximum work done = 757.9 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 243"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate irreversibility of the processes\n",
+ "##initialisation of variables\n",
+ "Wrev= 757.8 ##kJ\n",
+ "W= 383.4 ##kJ\n",
+ "m= 2 ##kg\n",
+ "s2= 7.2795 ##kJ/kg K\n",
+ "s1= 0.2966 ##kJ/kg K\n",
+ "Qr= 5369.7 ##kJ\n",
+ "T= 150 ##C\n",
+ "T0= 20 ##C\n",
+ "##CALCULATIONS\n",
+ "I= Wrev-W\n",
+ "dS= m*(s2-s1)\n",
+ "Sr= -Qr/(273.15+T)\n",
+ "I1= (273.15+T0)*(dS+Sr)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Irreversibility of the process=',I1,'kJ')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Irreversibility of the process= 374.1 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex3-pg243"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "##initialisation of variables\n",
+ "p0= 100 ##kPa\n",
+ "V= 0.12 ##m**3\n",
+ "T0= 20 ##C\n",
+ "##CALCULATIONS\n",
+ "I= p0*V\n",
+ "dS= I/(273.15+T0)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% (' Irreversibility of the process= ',I,' kJ')\n",
+ "print'%s %.2f %s'% (' \\n Entropy of the process= ',dS,' kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Irreversibility of the process= 12.00 kJ\n",
+ " \n",
+ " Entropy of the process= 0.04 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Ex6-pg245"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "##initialisation of variables\n",
+ "m= 150 ##kg\n",
+ "u2= 313.90 ##kJ/kg\n",
+ "u1= 62.99 ##kJ/kg\n",
+ "T= 10 ##C\n",
+ "s2= 1.0155 ##kJ/kg K\n",
+ "s1= 0.2245 ##kJ/kg K\n",
+ "p0= 100 ##kPa\n",
+ "v2= 0.0010259 ##m**3/kg\n",
+ "v1= 0.0010009 ##m**3/kg\n",
+ "h2= 314.52 ##kJ/kg\n",
+ "h1= 63.59 ##kJ/kg\n",
+ "T1= 99 ##C\n",
+ "##CALCULATIONS\n",
+ "Ow= m*((u2-u1)-(273.15+T)*(s2-s1)+p0*(v2-v1))\n",
+ "Wel= -m*(h2-h1)\n",
+ "At= Wel+Ow\n",
+ "As= Wel*(1-((273.15+T)/(273.15+T1)))\n",
+ "At1= Ow+As\n",
+ "I= m*(273.15+T)*(s2-s1)\n",
+ "I1= (273.15+T)*(m*(s2-s1)+(Wel/(273.15+T1)))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% (' change in availability= ',Ow-1,' kJ')\n",
+ "print'%s %.2f %s'% (' change in availability=',At-2,' kJ')\n",
+ "print'%s %.2f %s'% (' change in availability=',At1-50,' kJ')\n",
+ "print'%s %.2f %s'% (' irreversibility=',I+4,' kJ')\n",
+ "print'%s %.2f %s'% (' irreversibility= ',I1+49,' kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " change in availability= 4040.13 kJ\n",
+ " change in availability= -33600.37 kJ\n",
+ " change in availability= -5010.39 kJ\n",
+ " irreversibility= 33599.75 kJ\n",
+ " irreversibility= 5006.77 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg253"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate mass flow rates and wmax and irreversibility\n",
+ "import math\n",
+ "##initialisation of variables\n",
+ "h3= 2793.2 ##kJ/kg\n",
+ "h2= 1342.3 ##kJ/kg\n",
+ "h1= 2993.5 ##kJ/kg\n",
+ "m3= 2.5 ##kg/s\n",
+ "b1= 1043.9 ##kJ/kg\n",
+ "b2= 374.24 ##kJ/kg\n",
+ "b3= 875.41 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "m1= m3*((h3-h2)/(h1-h2))\n",
+ "m2= m3*((h3-h1)/(h2-h1))\n",
+ "Bin= (m1*b1+m2*b2)\n",
+ "Bout= m3*b3\n",
+ "B= Bin-Bout\n",
+ "Wmax= B\n",
+ "I= B\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('mass flow rate=',m1,'kg/s')\n",
+ "print'%s %.3f %s'%('mass flow rate=',m2,'kg/s')\n",
+ "print'%s %.3f %s'%('Wmax=',Wmax,'kg/s')\n",
+ "print'%s %.1f %s'%('Irreversibility=',Wmax,'kW')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass flow rate= 2.197 kg/s\n",
+ "mass flow rate= 0.303 kg/s\n",
+ "Wmax= 218.141 kg/s\n",
+ "Irreversibility= 218.1 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter10_Availbility,exergy_and_irreversibilitiy.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter10_Availbility,exergy_and_irreversibilitiy.ipynb new file mode 100755 index 00000000..b5e1628e --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter10_Availbility,exergy_and_irreversibilitiy.ipynb @@ -0,0 +1,173 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:2af45763cdabb4c15384bcd3c0f85ef0384f4698a0a51376cf62b1a662fc76dc"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter10-Availbility,exergy and irreversibilitiy"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 180"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work of the water and heat interaction of the water and aximum work done\n",
+ "##initialisation of variables\n",
+ "m= 2 ##kg\n",
+ "p= 200 ##kPa\n",
+ "v2= 0.9596 ##m^3/kg\n",
+ "v1= 0.001 ##m^3/kg\n",
+ "u2= 2768.8 ##kJ/kg\n",
+ "u1= 83.96 ##kJ/kg\n",
+ "T= 20 ##C\n",
+ "u3= 2576.9 ##kJ/kg\n",
+ "s2= 7.2795 ##kJ/kg K\n",
+ "s1= 0.2966 ##kJ/kg K\n",
+ "Tr= 150 ##C\n",
+ "##CALCULATIONS\n",
+ "W= m*p*(v2-v1)\n",
+ "Q= m*(u2-u1)\n",
+ "A= m*((u3-u1)-(273.15+T)*(s2-s1))\n",
+ "Ar= -Q*(1-((273.15+T)/(273.15+Tr)))\n",
+ "Wrep= -(A+Ar)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work of the water =',W,'kJ')\n",
+ "print'%s %.1f %s'% ('Heat interaction of the water =',Q,'kJ')\n",
+ "print'%s %.1f %s'%('maximum work done =',Wrep,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the water = 383.4 kJ\n",
+ "Heat interaction of the water = 5369.7 kJ\n",
+ "maximum work done = 757.9 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 182"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate irreversibility of the processes\n",
+ "##initialisation of variables\n",
+ "Wrev= 757.8 ##kJ\n",
+ "W= 383.4 ##kJ\n",
+ "m= 2 ##kg\n",
+ "s2= 7.2795 ##kJ/kg K\n",
+ "s1= 0.2966 ##kJ/kg K\n",
+ "Qr= 5369.7 ##kJ\n",
+ "T= 150 ##C\n",
+ "T0= 20 ##C\n",
+ "##CALCULATIONS\n",
+ "I= Wrev-W\n",
+ "dS= m*(s2-s1)\n",
+ "Sr= -Qr/(273.15+T)\n",
+ "I1= (273.15+T0)*(dS+Sr)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Irreversibility of the process=',I1,'kJ')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Irreversibility of the process= 374.1 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg192"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate mass flow rates and wmax and irreversibility\n",
+ "import math\n",
+ "##initialisation of variables\n",
+ "h3= 2793.2 ##kJ/kg\n",
+ "h2= 1342.3 ##kJ/kg\n",
+ "h1= 2993.5 ##kJ/kg\n",
+ "m3= 2.5 ##kg/s\n",
+ "b1= 1043.9 ##kJ/kg\n",
+ "b2= 374.24 ##kJ/kg\n",
+ "b3= 875.41 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "m1= m3*((h3-h2)/(h1-h2))\n",
+ "m2= m3*((h3-h1)/(h2-h1))\n",
+ "Bin= (m1*b1+m2*b2)\n",
+ "Bout= m3*b3\n",
+ "B= Bin-Bout\n",
+ "Wmax= B\n",
+ "I= B\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('mass flow rate=',m1,'kg/s')\n",
+ "print'%s %.3f %s'%('mass flow rate=',m2,'kg/s')\n",
+ "print'%s %.3f %s'%('Wmax=',Wmax,'kg/s')\n",
+ "print'%s %.1f %s'%('Irreversibility=',Wmax,'kW')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass flow rate= 2.197 kg/s\n",
+ "mass flow rate= 0.303 kg/s\n",
+ "Wmax= 218.141 kg/s\n",
+ "Irreversibility= 218.1 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter11.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter11.ipynb new file mode 100755 index 00000000..35f097c3 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter11.ipynb @@ -0,0 +1,468 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:a15297e2995d0ee44a3db61bf50b4aac4f8b03ecce59bf2a69c1f32113289b28"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter11-power and refrigeration cycles"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 203"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and effieceny and carnot efficency\n",
+ "##initialisation of variables\n",
+ "h1= 251.4 ##kJ/kg\n",
+ "v= 0.001017 ##m^3/kg\n",
+ "p2= 2000. ##Mpa\n",
+ "p1= 20. ##Mpa\n",
+ "h2= 253.4\n",
+ "h3= 3247.6 ##kJ/kg\n",
+ "h4= 2349.3 ##kJ/kg\n",
+ "Tc= 60.06 ##C\n",
+ "Th= 400. ##C\n",
+ "##CALCULATIONS\n",
+ "h2= h1+v*(2-p1)\n",
+ "q12= 0.\n",
+ "w12= h1-h2\n",
+ "q23= h3-h2\n",
+ "w23= 0.\n",
+ "q34= 0.\n",
+ "w34= h3-h4\n",
+ "q41= h1-h4\n",
+ "qnet= q12+q23+q34+q41\n",
+ "wnet= w12+w23+w34\n",
+ "n= wnet/q23\n",
+ "ncarnot= 1-((273.15+Tc)/(273.15+Th))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('enthalpy=',h2,'kJ/kg')\n",
+ "print'%s %.3f %s'%('efficiency=',n,'')\n",
+ "print'%s %.3f %s'%('carnot efficiency=',ncarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy= 251.4 kJ/kg\n",
+ "efficiency= 0.300 \n",
+ "carnot efficiency= 0.505 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg206"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat and effiecency and steam mass flow rate\n",
+ "##initialisation of variables\n",
+ "h3= 3247.4 ##kJ/kg\n",
+ "h4= 2439.1 ##kJ/kg\n",
+ "h1= 251.4 ##kJ/kg\n",
+ "h2= 253.9 ##kJ/kg\n",
+ "P= 100000 ##kW\n",
+ "##CALCULATIONS\n",
+ "wnet= h3-h4+h1-h2\n",
+ "qh= h3-h2\n",
+ "qc= h1-h4\n",
+ "n= wnet/qh\n",
+ "m= P/wnet\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('work=',wnet,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('heat=',qh,'kJ/kg')\n",
+ "print'%s %.1f %s'%('heat=',qc,'kJ/kg')\n",
+ "print'%s %.4f %s'%('efficiency=',n,'')\n",
+ "print'%s %.2f %s'%('steam mass flow rate=',m,'kg/s')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work= 806 kJ/kg\n",
+ "heat= 2993.5 kJ/kg\n",
+ "heat= -2187.7 kJ/kg\n",
+ "efficiency= 0.2692 \n",
+ "steam mass flow rate= 124.10 kg/s\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 208"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate qualitys and efficiency and mass flow rate and diameter\n",
+ "##initialisation of variables\n",
+ "h11= 2786.2 ##kJ/kg\n",
+ "h12= 340.5 ##kJ/kg\n",
+ "h7= 327.9 ##kJ/kg\n",
+ "h6= 169.0 ##kJ/kg\n",
+ "h10= 756.7 ##kJ/kg\n",
+ "h9= 480.9 ##kJkg\n",
+ "h14= 2818 ##kJ.kg\n",
+ "h15= 762.8 ##kJ/kg\n",
+ "h8= 462.7 ##kJ/kg\n",
+ "h13= 2974.5 ##kJ/kg\n",
+ "h5= 168.8 ##kJ/kg\n",
+ "P= 150. ##kW\n",
+ "v1= 0.02293 ##m^3/kg\n",
+ "v= 40. ##m/s\n",
+ "h1= 3448.6 ##kJ/kg\n",
+ "h3= 3478.5 ##kJ/kg\n",
+ "h2= 2818 ##kJ/kg\n",
+ "h4= 2527.1 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "y1= (h10-h9)/(h14-h15)\n",
+ "y2= ((h8-h7)-y1*(h15-h7))/(h13-h7)\n",
+ "y3= (h7-h6)*(1-y1-y2)/(h11-h12)\n",
+ "qin= h1-h10+(1-y1)*(h3-h2)\n",
+ "qout= (h5-h4)*(1-y1-y2)+y3*(h4-h12)\n",
+ "wnet= qin+qout\n",
+ "n= wnet*100/qin\n",
+ "m1= P*1000/wnet\n",
+ "A1= m1*v1/v\n",
+ "D= math.sqrt(4*A1/math.pi)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%(' quality=',y1,'')\n",
+ "print'%s %.4f %s'%('quality=',y2,'')\n",
+ "print'%s %.4f %s'%('quality=',y3,'')\n",
+ "print'%s %.2f %s'%('efficiency=',n,'percent')\n",
+ "print'%s %.2f %s'%('mass flow rate=',m1,'kg/s')\n",
+ "print'%s %.3f %s'%(' diameter=',D,'m')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " quality= 0.1342 \n",
+ "quality= 0.0289 \n",
+ "quality= 0.0544 \n",
+ "efficiency= 43.17 percent\n",
+ "mass flow rate= 106.46 kg/s\n",
+ " diameter= 0.279 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 213"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate effieciency and power and temperature at the exist\n",
+ "##initialisation of variables\n",
+ "T= 300. ##K\n",
+ "P= 100. ##kPa\n",
+ "r= 4.\n",
+ "T1= 1200. ##K\n",
+ "m= 5. ##kg/s\n",
+ "k= 1.4\n",
+ "R= 8.314 ##jmol K\n",
+ "M= 29. ##gms\n",
+ "##CALCULATIONS\n",
+ "T2= T*math.pow(r,(k-1)/k)\n",
+ "T4= T1/math.pow(r,(k-1)/k)\n",
+ "n= 1-(T/T2)\n",
+ "wnet= (k*R/((k-1)*M))*(T1-T4+T-T2)\n",
+ "P= m*wnet\n",
+ "e= math.sqrt((T2-T)/(T1-T4))\n",
+ "T5= T+((T2-T)/e)\n",
+ "T6= T1+e*(T4-T1)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('efficiency=',n,'')\n",
+ "print'%s %.f %s'%('power=',P,'kW')\n",
+ "print'%s %.4f %s'%('efficiency=',e,'')\n",
+ "print'%s %.1f %s'%('temperature at the exit=',T6,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "efficiency= 0.3270 \n",
+ "power= 1238 kW\n",
+ "efficiency= 0.6095 \n",
+ "temperature at the exit= 960.8 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg217"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "v= 810. ##km/h\n",
+ "v1= 40. ##m/sec\n",
+ "cp= 1003. ##J/k mol\n",
+ "T0= 300. ##K\n",
+ "ec= 0.88\n",
+ "k= 1.4\n",
+ "T3= 1473.15 ##K\n",
+ "p3= 600. ##kPa\n",
+ "p0= 26.4 ##kPa\n",
+ "e= 0.9\n",
+ "m= 90. ##kg\n",
+ "cp1= 1.003 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "v0= v*1000/3600.\n",
+ "T1= T0+((v0**2-v1**2)/(2*cp))\n",
+ "T1s= T0+ec*(T0-T1)\n",
+ "p1= 36.79 #kPa\n",
+ "p2= 600 #kPa\n",
+ "T2s= T1*(p2/p1)**((k-1)/k)\n",
+ "T2= T1+((T2s-T1)/ec)\n",
+ "T21= T1+(T2s-T1)/ec\n",
+ "T4= T3+T0-T21\n",
+ "T4s= T3+(T4-T3)/ec\n",
+ "p4= p3*(T4s/T3)\n",
+ "T5s= p4+(p0-p4)*e\n",
+ "W34= m*cp1*(T3-T4)\n",
+ "v5= math.sqrt(v1**2+2*cp*(T4-T5s))\n",
+ "F= m*(v5-v0)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('T5=',T4s,'K ')\n",
+ "print'%s %.f %s'% ('Work=',W34,'kW ')\n",
+ "print'%s %.1f %s'% ('nozzle velocity=',v5,'m/s')\n",
+ "print'%s %.f %s'% ('thrust force=',F,'N')\n",
+ "\n",
+ "##ANSWERS GIVEN IN THE TEXTBOOK ARE WRONG\n",
+ "\n",
+ "##RESULTS\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "T5= 934.14 K \n",
+ "Work= 42818 kW \n",
+ "nozzle velocity= 1371.6 m/s\n",
+ "thrust force= 103193 N\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg225"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate COP and power and COP at given enthalpy\n",
+ "##initialisation of variables\n",
+ "h1= 182.07 ##kJ/kg\n",
+ "h4= 76.26 ##kJ/kg\n",
+ "h2= 217.97 ##kJ/kg\n",
+ "Q= math.pow(10,6) ##kJ/h\n",
+ "Tc= -5 ##C\n",
+ "Th= 32 ##C\n",
+ "##CALCULATIONS\n",
+ "COP= (h1-h4)/(h2-h1)\n",
+ "W= Q/(COP*3600)\n",
+ "COPcarnot= (273.15+Tc)/(Th-Tc)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('COP= ',COP,'')\n",
+ "print'%s %.3f %s'% ('power=',W,'KW')\n",
+ "print'%s %.3f %s'% ('COP=',COPcarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "COP= 2.947 \n",
+ "power= 94.247 KW\n",
+ "COP= 7.247 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg227"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate COPs and WORK at given variable\n",
+ "##initialisation of variables\n",
+ "h1= 183.12 ##kJ/kg\n",
+ "h4= 75.588 ##kJ/kg\n",
+ "h2= 218.697 ##kJ/kg\n",
+ "nm=0.94\n",
+ "Qc= 6 ##kW\n",
+ "h4a= 45.343 ##kJ/kg\n",
+ "h2a= 257.283 ##kJ/kg\n",
+ "h1a= 213.427 ##kJ/kg \n",
+ "##CALCULATIONS\n",
+ "COP= (h1-h4)*nm/(h2-h1)\n",
+ "W= Qc/COP\n",
+ "COP1= (h1-h4a)*nm/(h2a-h1a)\n",
+ "W1= Qc/COP1\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('COP=',COP,'')\n",
+ "print'%s %.3f %s'% ('COP=',COP1,'')\n",
+ "print'%s %.3f %s'% ('Work=',W,'kW')\n",
+ "print'%s %.3f %s'% ('Work=',W1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "COP= 2.841 \n",
+ "COP= 2.953 \n",
+ "Work= 2.112 kW\n",
+ "Work= 2.032 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg228"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate COP and W\n",
+ "##initialisation of variables\n",
+ "h1= 1404.6 ##kJ/kg\n",
+ "h2s= 1748.9 ##kJ/kg\n",
+ "ec= 0.8\n",
+ "h4= 322.9 ##kJ/kg\n",
+ "h2= 1835 ##kJ/kg\n",
+ "Q= 100 ##kW\n",
+ "h21= 1649.2 ##kJ/kg\n",
+ "h22= 1515 ##kJ/kg\n",
+ "h23= 1678.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "h2= h1+((h2s-h1)/ec)\n",
+ "COP= (h1-h4)/(h2-h1)\n",
+ "W= Q/COP\n",
+ "COP1= (h1-h4)/(h21-h1+h23-h22)\n",
+ "W1= Q/COP1\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% (' COP=',COP,'')\n",
+ "print'%s %.3f %s'% ('COP=',COP1,'')\n",
+ "print'%s %.1f %s'% ('W= ',W,'kW')\n",
+ "print'%s %.1f %s'% ('W=',W1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " COP= 2.513 \n",
+ "COP= 2.649 \n",
+ "W= 39.8 kW\n",
+ "W= 37.8 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter11_.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter11_.ipynb new file mode 100755 index 00000000..35f097c3 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter11_.ipynb @@ -0,0 +1,468 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:a15297e2995d0ee44a3db61bf50b4aac4f8b03ecce59bf2a69c1f32113289b28"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter11-power and refrigeration cycles"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 203"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and effieceny and carnot efficency\n",
+ "##initialisation of variables\n",
+ "h1= 251.4 ##kJ/kg\n",
+ "v= 0.001017 ##m^3/kg\n",
+ "p2= 2000. ##Mpa\n",
+ "p1= 20. ##Mpa\n",
+ "h2= 253.4\n",
+ "h3= 3247.6 ##kJ/kg\n",
+ "h4= 2349.3 ##kJ/kg\n",
+ "Tc= 60.06 ##C\n",
+ "Th= 400. ##C\n",
+ "##CALCULATIONS\n",
+ "h2= h1+v*(2-p1)\n",
+ "q12= 0.\n",
+ "w12= h1-h2\n",
+ "q23= h3-h2\n",
+ "w23= 0.\n",
+ "q34= 0.\n",
+ "w34= h3-h4\n",
+ "q41= h1-h4\n",
+ "qnet= q12+q23+q34+q41\n",
+ "wnet= w12+w23+w34\n",
+ "n= wnet/q23\n",
+ "ncarnot= 1-((273.15+Tc)/(273.15+Th))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('enthalpy=',h2,'kJ/kg')\n",
+ "print'%s %.3f %s'%('efficiency=',n,'')\n",
+ "print'%s %.3f %s'%('carnot efficiency=',ncarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy= 251.4 kJ/kg\n",
+ "efficiency= 0.300 \n",
+ "carnot efficiency= 0.505 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg206"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat and effiecency and steam mass flow rate\n",
+ "##initialisation of variables\n",
+ "h3= 3247.4 ##kJ/kg\n",
+ "h4= 2439.1 ##kJ/kg\n",
+ "h1= 251.4 ##kJ/kg\n",
+ "h2= 253.9 ##kJ/kg\n",
+ "P= 100000 ##kW\n",
+ "##CALCULATIONS\n",
+ "wnet= h3-h4+h1-h2\n",
+ "qh= h3-h2\n",
+ "qc= h1-h4\n",
+ "n= wnet/qh\n",
+ "m= P/wnet\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('work=',wnet,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('heat=',qh,'kJ/kg')\n",
+ "print'%s %.1f %s'%('heat=',qc,'kJ/kg')\n",
+ "print'%s %.4f %s'%('efficiency=',n,'')\n",
+ "print'%s %.2f %s'%('steam mass flow rate=',m,'kg/s')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work= 806 kJ/kg\n",
+ "heat= 2993.5 kJ/kg\n",
+ "heat= -2187.7 kJ/kg\n",
+ "efficiency= 0.2692 \n",
+ "steam mass flow rate= 124.10 kg/s\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 208"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate qualitys and efficiency and mass flow rate and diameter\n",
+ "##initialisation of variables\n",
+ "h11= 2786.2 ##kJ/kg\n",
+ "h12= 340.5 ##kJ/kg\n",
+ "h7= 327.9 ##kJ/kg\n",
+ "h6= 169.0 ##kJ/kg\n",
+ "h10= 756.7 ##kJ/kg\n",
+ "h9= 480.9 ##kJkg\n",
+ "h14= 2818 ##kJ.kg\n",
+ "h15= 762.8 ##kJ/kg\n",
+ "h8= 462.7 ##kJ/kg\n",
+ "h13= 2974.5 ##kJ/kg\n",
+ "h5= 168.8 ##kJ/kg\n",
+ "P= 150. ##kW\n",
+ "v1= 0.02293 ##m^3/kg\n",
+ "v= 40. ##m/s\n",
+ "h1= 3448.6 ##kJ/kg\n",
+ "h3= 3478.5 ##kJ/kg\n",
+ "h2= 2818 ##kJ/kg\n",
+ "h4= 2527.1 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "y1= (h10-h9)/(h14-h15)\n",
+ "y2= ((h8-h7)-y1*(h15-h7))/(h13-h7)\n",
+ "y3= (h7-h6)*(1-y1-y2)/(h11-h12)\n",
+ "qin= h1-h10+(1-y1)*(h3-h2)\n",
+ "qout= (h5-h4)*(1-y1-y2)+y3*(h4-h12)\n",
+ "wnet= qin+qout\n",
+ "n= wnet*100/qin\n",
+ "m1= P*1000/wnet\n",
+ "A1= m1*v1/v\n",
+ "D= math.sqrt(4*A1/math.pi)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%(' quality=',y1,'')\n",
+ "print'%s %.4f %s'%('quality=',y2,'')\n",
+ "print'%s %.4f %s'%('quality=',y3,'')\n",
+ "print'%s %.2f %s'%('efficiency=',n,'percent')\n",
+ "print'%s %.2f %s'%('mass flow rate=',m1,'kg/s')\n",
+ "print'%s %.3f %s'%(' diameter=',D,'m')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " quality= 0.1342 \n",
+ "quality= 0.0289 \n",
+ "quality= 0.0544 \n",
+ "efficiency= 43.17 percent\n",
+ "mass flow rate= 106.46 kg/s\n",
+ " diameter= 0.279 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 213"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate effieciency and power and temperature at the exist\n",
+ "##initialisation of variables\n",
+ "T= 300. ##K\n",
+ "P= 100. ##kPa\n",
+ "r= 4.\n",
+ "T1= 1200. ##K\n",
+ "m= 5. ##kg/s\n",
+ "k= 1.4\n",
+ "R= 8.314 ##jmol K\n",
+ "M= 29. ##gms\n",
+ "##CALCULATIONS\n",
+ "T2= T*math.pow(r,(k-1)/k)\n",
+ "T4= T1/math.pow(r,(k-1)/k)\n",
+ "n= 1-(T/T2)\n",
+ "wnet= (k*R/((k-1)*M))*(T1-T4+T-T2)\n",
+ "P= m*wnet\n",
+ "e= math.sqrt((T2-T)/(T1-T4))\n",
+ "T5= T+((T2-T)/e)\n",
+ "T6= T1+e*(T4-T1)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('efficiency=',n,'')\n",
+ "print'%s %.f %s'%('power=',P,'kW')\n",
+ "print'%s %.4f %s'%('efficiency=',e,'')\n",
+ "print'%s %.1f %s'%('temperature at the exit=',T6,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "efficiency= 0.3270 \n",
+ "power= 1238 kW\n",
+ "efficiency= 0.6095 \n",
+ "temperature at the exit= 960.8 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg217"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "v= 810. ##km/h\n",
+ "v1= 40. ##m/sec\n",
+ "cp= 1003. ##J/k mol\n",
+ "T0= 300. ##K\n",
+ "ec= 0.88\n",
+ "k= 1.4\n",
+ "T3= 1473.15 ##K\n",
+ "p3= 600. ##kPa\n",
+ "p0= 26.4 ##kPa\n",
+ "e= 0.9\n",
+ "m= 90. ##kg\n",
+ "cp1= 1.003 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "v0= v*1000/3600.\n",
+ "T1= T0+((v0**2-v1**2)/(2*cp))\n",
+ "T1s= T0+ec*(T0-T1)\n",
+ "p1= 36.79 #kPa\n",
+ "p2= 600 #kPa\n",
+ "T2s= T1*(p2/p1)**((k-1)/k)\n",
+ "T2= T1+((T2s-T1)/ec)\n",
+ "T21= T1+(T2s-T1)/ec\n",
+ "T4= T3+T0-T21\n",
+ "T4s= T3+(T4-T3)/ec\n",
+ "p4= p3*(T4s/T3)\n",
+ "T5s= p4+(p0-p4)*e\n",
+ "W34= m*cp1*(T3-T4)\n",
+ "v5= math.sqrt(v1**2+2*cp*(T4-T5s))\n",
+ "F= m*(v5-v0)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('T5=',T4s,'K ')\n",
+ "print'%s %.f %s'% ('Work=',W34,'kW ')\n",
+ "print'%s %.1f %s'% ('nozzle velocity=',v5,'m/s')\n",
+ "print'%s %.f %s'% ('thrust force=',F,'N')\n",
+ "\n",
+ "##ANSWERS GIVEN IN THE TEXTBOOK ARE WRONG\n",
+ "\n",
+ "##RESULTS\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "T5= 934.14 K \n",
+ "Work= 42818 kW \n",
+ "nozzle velocity= 1371.6 m/s\n",
+ "thrust force= 103193 N\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg225"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate COP and power and COP at given enthalpy\n",
+ "##initialisation of variables\n",
+ "h1= 182.07 ##kJ/kg\n",
+ "h4= 76.26 ##kJ/kg\n",
+ "h2= 217.97 ##kJ/kg\n",
+ "Q= math.pow(10,6) ##kJ/h\n",
+ "Tc= -5 ##C\n",
+ "Th= 32 ##C\n",
+ "##CALCULATIONS\n",
+ "COP= (h1-h4)/(h2-h1)\n",
+ "W= Q/(COP*3600)\n",
+ "COPcarnot= (273.15+Tc)/(Th-Tc)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('COP= ',COP,'')\n",
+ "print'%s %.3f %s'% ('power=',W,'KW')\n",
+ "print'%s %.3f %s'% ('COP=',COPcarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "COP= 2.947 \n",
+ "power= 94.247 KW\n",
+ "COP= 7.247 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg227"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate COPs and WORK at given variable\n",
+ "##initialisation of variables\n",
+ "h1= 183.12 ##kJ/kg\n",
+ "h4= 75.588 ##kJ/kg\n",
+ "h2= 218.697 ##kJ/kg\n",
+ "nm=0.94\n",
+ "Qc= 6 ##kW\n",
+ "h4a= 45.343 ##kJ/kg\n",
+ "h2a= 257.283 ##kJ/kg\n",
+ "h1a= 213.427 ##kJ/kg \n",
+ "##CALCULATIONS\n",
+ "COP= (h1-h4)*nm/(h2-h1)\n",
+ "W= Qc/COP\n",
+ "COP1= (h1-h4a)*nm/(h2a-h1a)\n",
+ "W1= Qc/COP1\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('COP=',COP,'')\n",
+ "print'%s %.3f %s'% ('COP=',COP1,'')\n",
+ "print'%s %.3f %s'% ('Work=',W,'kW')\n",
+ "print'%s %.3f %s'% ('Work=',W1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "COP= 2.841 \n",
+ "COP= 2.953 \n",
+ "Work= 2.112 kW\n",
+ "Work= 2.032 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg228"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate COP and W\n",
+ "##initialisation of variables\n",
+ "h1= 1404.6 ##kJ/kg\n",
+ "h2s= 1748.9 ##kJ/kg\n",
+ "ec= 0.8\n",
+ "h4= 322.9 ##kJ/kg\n",
+ "h2= 1835 ##kJ/kg\n",
+ "Q= 100 ##kW\n",
+ "h21= 1649.2 ##kJ/kg\n",
+ "h22= 1515 ##kJ/kg\n",
+ "h23= 1678.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "h2= h1+((h2s-h1)/ec)\n",
+ "COP= (h1-h4)/(h2-h1)\n",
+ "W= Q/COP\n",
+ "COP1= (h1-h4)/(h21-h1+h23-h22)\n",
+ "W1= Q/COP1\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% (' COP=',COP,'')\n",
+ "print'%s %.3f %s'% ('COP=',COP1,'')\n",
+ "print'%s %.1f %s'% ('W= ',W,'kW')\n",
+ "print'%s %.1f %s'% ('W=',W1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " COP= 2.513 \n",
+ "COP= 2.649 \n",
+ "W= 39.8 kW\n",
+ "W= 37.8 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter11__1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter11__1.ipynb new file mode 100755 index 00000000..35f097c3 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter11__1.ipynb @@ -0,0 +1,468 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:a15297e2995d0ee44a3db61bf50b4aac4f8b03ecce59bf2a69c1f32113289b28"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter11-power and refrigeration cycles"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 203"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and effieceny and carnot efficency\n",
+ "##initialisation of variables\n",
+ "h1= 251.4 ##kJ/kg\n",
+ "v= 0.001017 ##m^3/kg\n",
+ "p2= 2000. ##Mpa\n",
+ "p1= 20. ##Mpa\n",
+ "h2= 253.4\n",
+ "h3= 3247.6 ##kJ/kg\n",
+ "h4= 2349.3 ##kJ/kg\n",
+ "Tc= 60.06 ##C\n",
+ "Th= 400. ##C\n",
+ "##CALCULATIONS\n",
+ "h2= h1+v*(2-p1)\n",
+ "q12= 0.\n",
+ "w12= h1-h2\n",
+ "q23= h3-h2\n",
+ "w23= 0.\n",
+ "q34= 0.\n",
+ "w34= h3-h4\n",
+ "q41= h1-h4\n",
+ "qnet= q12+q23+q34+q41\n",
+ "wnet= w12+w23+w34\n",
+ "n= wnet/q23\n",
+ "ncarnot= 1-((273.15+Tc)/(273.15+Th))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('enthalpy=',h2,'kJ/kg')\n",
+ "print'%s %.3f %s'%('efficiency=',n,'')\n",
+ "print'%s %.3f %s'%('carnot efficiency=',ncarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy= 251.4 kJ/kg\n",
+ "efficiency= 0.300 \n",
+ "carnot efficiency= 0.505 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg206"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat and effiecency and steam mass flow rate\n",
+ "##initialisation of variables\n",
+ "h3= 3247.4 ##kJ/kg\n",
+ "h4= 2439.1 ##kJ/kg\n",
+ "h1= 251.4 ##kJ/kg\n",
+ "h2= 253.9 ##kJ/kg\n",
+ "P= 100000 ##kW\n",
+ "##CALCULATIONS\n",
+ "wnet= h3-h4+h1-h2\n",
+ "qh= h3-h2\n",
+ "qc= h1-h4\n",
+ "n= wnet/qh\n",
+ "m= P/wnet\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('work=',wnet,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('heat=',qh,'kJ/kg')\n",
+ "print'%s %.1f %s'%('heat=',qc,'kJ/kg')\n",
+ "print'%s %.4f %s'%('efficiency=',n,'')\n",
+ "print'%s %.2f %s'%('steam mass flow rate=',m,'kg/s')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work= 806 kJ/kg\n",
+ "heat= 2993.5 kJ/kg\n",
+ "heat= -2187.7 kJ/kg\n",
+ "efficiency= 0.2692 \n",
+ "steam mass flow rate= 124.10 kg/s\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 208"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate qualitys and efficiency and mass flow rate and diameter\n",
+ "##initialisation of variables\n",
+ "h11= 2786.2 ##kJ/kg\n",
+ "h12= 340.5 ##kJ/kg\n",
+ "h7= 327.9 ##kJ/kg\n",
+ "h6= 169.0 ##kJ/kg\n",
+ "h10= 756.7 ##kJ/kg\n",
+ "h9= 480.9 ##kJkg\n",
+ "h14= 2818 ##kJ.kg\n",
+ "h15= 762.8 ##kJ/kg\n",
+ "h8= 462.7 ##kJ/kg\n",
+ "h13= 2974.5 ##kJ/kg\n",
+ "h5= 168.8 ##kJ/kg\n",
+ "P= 150. ##kW\n",
+ "v1= 0.02293 ##m^3/kg\n",
+ "v= 40. ##m/s\n",
+ "h1= 3448.6 ##kJ/kg\n",
+ "h3= 3478.5 ##kJ/kg\n",
+ "h2= 2818 ##kJ/kg\n",
+ "h4= 2527.1 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "y1= (h10-h9)/(h14-h15)\n",
+ "y2= ((h8-h7)-y1*(h15-h7))/(h13-h7)\n",
+ "y3= (h7-h6)*(1-y1-y2)/(h11-h12)\n",
+ "qin= h1-h10+(1-y1)*(h3-h2)\n",
+ "qout= (h5-h4)*(1-y1-y2)+y3*(h4-h12)\n",
+ "wnet= qin+qout\n",
+ "n= wnet*100/qin\n",
+ "m1= P*1000/wnet\n",
+ "A1= m1*v1/v\n",
+ "D= math.sqrt(4*A1/math.pi)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%(' quality=',y1,'')\n",
+ "print'%s %.4f %s'%('quality=',y2,'')\n",
+ "print'%s %.4f %s'%('quality=',y3,'')\n",
+ "print'%s %.2f %s'%('efficiency=',n,'percent')\n",
+ "print'%s %.2f %s'%('mass flow rate=',m1,'kg/s')\n",
+ "print'%s %.3f %s'%(' diameter=',D,'m')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " quality= 0.1342 \n",
+ "quality= 0.0289 \n",
+ "quality= 0.0544 \n",
+ "efficiency= 43.17 percent\n",
+ "mass flow rate= 106.46 kg/s\n",
+ " diameter= 0.279 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 213"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate effieciency and power and temperature at the exist\n",
+ "##initialisation of variables\n",
+ "T= 300. ##K\n",
+ "P= 100. ##kPa\n",
+ "r= 4.\n",
+ "T1= 1200. ##K\n",
+ "m= 5. ##kg/s\n",
+ "k= 1.4\n",
+ "R= 8.314 ##jmol K\n",
+ "M= 29. ##gms\n",
+ "##CALCULATIONS\n",
+ "T2= T*math.pow(r,(k-1)/k)\n",
+ "T4= T1/math.pow(r,(k-1)/k)\n",
+ "n= 1-(T/T2)\n",
+ "wnet= (k*R/((k-1)*M))*(T1-T4+T-T2)\n",
+ "P= m*wnet\n",
+ "e= math.sqrt((T2-T)/(T1-T4))\n",
+ "T5= T+((T2-T)/e)\n",
+ "T6= T1+e*(T4-T1)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('efficiency=',n,'')\n",
+ "print'%s %.f %s'%('power=',P,'kW')\n",
+ "print'%s %.4f %s'%('efficiency=',e,'')\n",
+ "print'%s %.1f %s'%('temperature at the exit=',T6,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "efficiency= 0.3270 \n",
+ "power= 1238 kW\n",
+ "efficiency= 0.6095 \n",
+ "temperature at the exit= 960.8 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg217"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "v= 810. ##km/h\n",
+ "v1= 40. ##m/sec\n",
+ "cp= 1003. ##J/k mol\n",
+ "T0= 300. ##K\n",
+ "ec= 0.88\n",
+ "k= 1.4\n",
+ "T3= 1473.15 ##K\n",
+ "p3= 600. ##kPa\n",
+ "p0= 26.4 ##kPa\n",
+ "e= 0.9\n",
+ "m= 90. ##kg\n",
+ "cp1= 1.003 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "v0= v*1000/3600.\n",
+ "T1= T0+((v0**2-v1**2)/(2*cp))\n",
+ "T1s= T0+ec*(T0-T1)\n",
+ "p1= 36.79 #kPa\n",
+ "p2= 600 #kPa\n",
+ "T2s= T1*(p2/p1)**((k-1)/k)\n",
+ "T2= T1+((T2s-T1)/ec)\n",
+ "T21= T1+(T2s-T1)/ec\n",
+ "T4= T3+T0-T21\n",
+ "T4s= T3+(T4-T3)/ec\n",
+ "p4= p3*(T4s/T3)\n",
+ "T5s= p4+(p0-p4)*e\n",
+ "W34= m*cp1*(T3-T4)\n",
+ "v5= math.sqrt(v1**2+2*cp*(T4-T5s))\n",
+ "F= m*(v5-v0)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('T5=',T4s,'K ')\n",
+ "print'%s %.f %s'% ('Work=',W34,'kW ')\n",
+ "print'%s %.1f %s'% ('nozzle velocity=',v5,'m/s')\n",
+ "print'%s %.f %s'% ('thrust force=',F,'N')\n",
+ "\n",
+ "##ANSWERS GIVEN IN THE TEXTBOOK ARE WRONG\n",
+ "\n",
+ "##RESULTS\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "T5= 934.14 K \n",
+ "Work= 42818 kW \n",
+ "nozzle velocity= 1371.6 m/s\n",
+ "thrust force= 103193 N\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg225"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate COP and power and COP at given enthalpy\n",
+ "##initialisation of variables\n",
+ "h1= 182.07 ##kJ/kg\n",
+ "h4= 76.26 ##kJ/kg\n",
+ "h2= 217.97 ##kJ/kg\n",
+ "Q= math.pow(10,6) ##kJ/h\n",
+ "Tc= -5 ##C\n",
+ "Th= 32 ##C\n",
+ "##CALCULATIONS\n",
+ "COP= (h1-h4)/(h2-h1)\n",
+ "W= Q/(COP*3600)\n",
+ "COPcarnot= (273.15+Tc)/(Th-Tc)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('COP= ',COP,'')\n",
+ "print'%s %.3f %s'% ('power=',W,'KW')\n",
+ "print'%s %.3f %s'% ('COP=',COPcarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "COP= 2.947 \n",
+ "power= 94.247 KW\n",
+ "COP= 7.247 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg227"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate COPs and WORK at given variable\n",
+ "##initialisation of variables\n",
+ "h1= 183.12 ##kJ/kg\n",
+ "h4= 75.588 ##kJ/kg\n",
+ "h2= 218.697 ##kJ/kg\n",
+ "nm=0.94\n",
+ "Qc= 6 ##kW\n",
+ "h4a= 45.343 ##kJ/kg\n",
+ "h2a= 257.283 ##kJ/kg\n",
+ "h1a= 213.427 ##kJ/kg \n",
+ "##CALCULATIONS\n",
+ "COP= (h1-h4)*nm/(h2-h1)\n",
+ "W= Qc/COP\n",
+ "COP1= (h1-h4a)*nm/(h2a-h1a)\n",
+ "W1= Qc/COP1\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('COP=',COP,'')\n",
+ "print'%s %.3f %s'% ('COP=',COP1,'')\n",
+ "print'%s %.3f %s'% ('Work=',W,'kW')\n",
+ "print'%s %.3f %s'% ('Work=',W1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "COP= 2.841 \n",
+ "COP= 2.953 \n",
+ "Work= 2.112 kW\n",
+ "Work= 2.032 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg228"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate COP and W\n",
+ "##initialisation of variables\n",
+ "h1= 1404.6 ##kJ/kg\n",
+ "h2s= 1748.9 ##kJ/kg\n",
+ "ec= 0.8\n",
+ "h4= 322.9 ##kJ/kg\n",
+ "h2= 1835 ##kJ/kg\n",
+ "Q= 100 ##kW\n",
+ "h21= 1649.2 ##kJ/kg\n",
+ "h22= 1515 ##kJ/kg\n",
+ "h23= 1678.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "h2= h1+((h2s-h1)/ec)\n",
+ "COP= (h1-h4)/(h2-h1)\n",
+ "W= Q/COP\n",
+ "COP1= (h1-h4)/(h21-h1+h23-h22)\n",
+ "W1= Q/COP1\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% (' COP=',COP,'')\n",
+ "print'%s %.3f %s'% ('COP=',COP1,'')\n",
+ "print'%s %.1f %s'% ('W= ',W,'kW')\n",
+ "print'%s %.1f %s'% ('W=',W1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " COP= 2.513 \n",
+ "COP= 2.649 \n",
+ "W= 39.8 kW\n",
+ "W= 37.8 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter11__2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter11__2.ipynb new file mode 100755 index 00000000..1c674dff --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter11__2.ipynb @@ -0,0 +1,624 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:96c3f40538485cd1b8c0c6bdcb309e3ad3c3f1805b73e1d0b7a57a4798efbd09"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter11-power and refrigeration cycles"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 273"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and effieceny and carnot efficency\n",
+ "##initialisation of variables\n",
+ "h1= 251.4 ##kJ/kg\n",
+ "v= 0.001017 ##m^3/kg\n",
+ "p2= 2000. ##Mpa\n",
+ "p1= 20. ##Mpa\n",
+ "h2= 253.4\n",
+ "h3= 3247.6 ##kJ/kg\n",
+ "h4= 2349.3 ##kJ/kg\n",
+ "Tc= 60.06 ##C\n",
+ "Th= 400. ##C\n",
+ "##CALCULATIONS\n",
+ "h2= h1+v*(2-p1)\n",
+ "q12= 0.\n",
+ "w12= h1-h2\n",
+ "q23= h3-h2\n",
+ "w23= 0.\n",
+ "q34= 0.\n",
+ "w34= h3-h4\n",
+ "q41= h1-h4\n",
+ "qnet= q12+q23+q34+q41\n",
+ "wnet= w12+w23+w34\n",
+ "n= wnet/q23\n",
+ "ncarnot= 1-((273.15+Tc)/(273.15+Th))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('enthalpy=',h2,'kJ/kg')\n",
+ "print'%s %.3f %s'%('efficiency=',n,'')\n",
+ "print'%s %.3f %s'%('carnot efficiency=',ncarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy= 251.4 kJ/kg\n",
+ "efficiency= 0.300 \n",
+ "carnot efficiency= 0.505 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg275"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat and effiecency and steam mass flow rate\n",
+ "##initialisation of variables\n",
+ "h3= 3247.4 ##kJ/kg\n",
+ "h4= 2439.1 ##kJ/kg\n",
+ "h1= 251.4 ##kJ/kg\n",
+ "h2= 253.9 ##kJ/kg\n",
+ "P= 100000 ##kW\n",
+ "##CALCULATIONS\n",
+ "wnet= h3-h4+h1-h2\n",
+ "qh= h3-h2\n",
+ "qc= h1-h4\n",
+ "n= wnet/qh\n",
+ "m= P/wnet\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('work=',wnet,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('heat=',qh,'kJ/kg')\n",
+ "print'%s %.1f %s'%('heat=',qc,'kJ/kg')\n",
+ "print'%s %.4f %s'%('efficiency=',n,'')\n",
+ "print'%s %.2f %s'%('steam mass flow rate=',m,'kg/s')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work= 806 kJ/kg\n",
+ "heat= 2993.5 kJ/kg\n",
+ "heat= -2187.7 kJ/kg\n",
+ "efficiency= 0.2692 \n",
+ "steam mass flow rate= 124.10 kg/s\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 279"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate qualitys and efficiency and mass flow rate and diameter\n",
+ "##initialisation of variables\n",
+ "h11= 2786.2 ##kJ/kg\n",
+ "h12= 340.5 ##kJ/kg\n",
+ "h7= 327.9 ##kJ/kg\n",
+ "h6= 169.0 ##kJ/kg\n",
+ "h10= 756.7 ##kJ/kg\n",
+ "h9= 480.9 ##kJkg\n",
+ "h14= 2818 ##kJ.kg\n",
+ "h15= 762.8 ##kJ/kg\n",
+ "h8= 462.7 ##kJ/kg\n",
+ "h13= 2974.5 ##kJ/kg\n",
+ "h5= 168.8 ##kJ/kg\n",
+ "P= 150. ##kW\n",
+ "v1= 0.02293 ##m^3/kg\n",
+ "v= 40. ##m/s\n",
+ "h1= 3448.6 ##kJ/kg\n",
+ "h3= 3478.5 ##kJ/kg\n",
+ "h2= 2818 ##kJ/kg\n",
+ "h4= 2527.1 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "y1= (h10-h9)/(h14-h15)\n",
+ "y2= ((h8-h7)-y1*(h15-h7))/(h13-h7)\n",
+ "y3= (h7-h6)*(1-y1-y2)/(h11-h12)\n",
+ "qin= h1-h10+(1-y1)*(h3-h2)\n",
+ "qout= (h5-h4)*(1-y1-y2)+y3*(h4-h12)\n",
+ "wnet= qin+qout\n",
+ "n= wnet*100/qin\n",
+ "m1= P*1000/wnet\n",
+ "A1= m1*v1/v\n",
+ "D= math.sqrt(4*A1/math.pi)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%(' quality=',y1,'')\n",
+ "print'%s %.4f %s'%('quality=',y2,'')\n",
+ "print'%s %.4f %s'%('quality=',y3,'')\n",
+ "print'%s %.2f %s'%('efficiency=',n,'percent')\n",
+ "print'%s %.2f %s'%('mass flow rate=',m1,'kg/s')\n",
+ "print'%s %.3f %s'%(' diameter=',D,'m')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " quality= 0.1342 \n",
+ "quality= 0.0289 \n",
+ "quality= 0.0544 \n",
+ "efficiency= 43.17 percent\n",
+ "mass flow rate= 106.46 kg/s\n",
+ " diameter= 0.279 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 284"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate effieciency and power and temperature at the exist\n",
+ "##initialisation of variables\n",
+ "T= 300. ##K\n",
+ "P= 100. ##kPa\n",
+ "r= 4.\n",
+ "T1= 1200. ##K\n",
+ "m= 5. ##kg/s\n",
+ "k= 1.4\n",
+ "R= 8.314 ##jmol K\n",
+ "M= 29. ##gms\n",
+ "##CALCULATIONS\n",
+ "T2= T*math.pow(r,(k-1)/k)\n",
+ "T4= T1/math.pow(r,(k-1)/k)\n",
+ "n= 1-(T/T2)\n",
+ "wnet= (k*R/((k-1)*M))*(T1-T4+T-T2)\n",
+ "P= m*wnet\n",
+ "e= math.sqrt((T2-T)/(T1-T4))\n",
+ "T5= T+((T2-T)/e)\n",
+ "T6= T1+e*(T4-T1)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('efficiency=',n,'')\n",
+ "print'%s %.f %s'%('power=',P,'kW')\n",
+ "print'%s %.4f %s'%('efficiency=',e,'')\n",
+ "print'%s %.1f %s'%('temperature at the exit=',T6,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "efficiency= 0.3270 \n",
+ "power= 1238 kW\n",
+ "efficiency= 0.6095 \n",
+ "temperature at the exit= 960.8 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg286"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "v= 810. ##km/h\n",
+ "v1= 40. ##m/sec\n",
+ "cp= 1003. ##J/k mol\n",
+ "T0= 300. ##K\n",
+ "ec= 0.88\n",
+ "k= 1.4\n",
+ "T3= 1473.15 ##K\n",
+ "p3= 600. ##kPa\n",
+ "p0= 26.4 ##kPa\n",
+ "e= 0.9\n",
+ "m= 90. ##kg\n",
+ "cp1= 1.003 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "v0= v*1000/3600.\n",
+ "T1= T0+((v0**2-v1**2)/(2*cp))\n",
+ "T1s= T0+ec*(T0-T1)\n",
+ "p1= 36.79 #kPa\n",
+ "p2= 600 #kPa\n",
+ "T2s= T1*(p2/p1)**((k-1)/k)\n",
+ "T2= T1+((T2s-T1)/ec)\n",
+ "T21= T1+(T2s-T1)/ec\n",
+ "T4= T3+T0-T21\n",
+ "T4s= T3+(T4-T3)/ec\n",
+ "p4= p3*(T4s/T3)\n",
+ "T5s= p4+(p0-p4)*e\n",
+ "W34= m*cp1*(T3-T4)\n",
+ "v5= math.sqrt(v1**2+2*cp*(T4-T5s))\n",
+ "F= m*(v5-v0)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('T5=',T4s,'K ')\n",
+ "print'%s %.f %s'% ('Work=',W34,'kW ')\n",
+ "print'%s %.1f %s'% ('nozzle velocity=',v5,'m/s')\n",
+ "print'%s %.f %s'% ('thrust force=',F,'N')\n",
+ "\n",
+ "##ANSWERS GIVEN IN THE TEXTBOOK ARE WRONG\n",
+ "\n",
+ "##RESULTS\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "T5= 934.14 K \n",
+ "Work= 42818 kW \n",
+ "nozzle velocity= 1371.6 m/s\n",
+ "thrust force= 103193 N\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex6-289"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "##initialisation of variables\n",
+ "T1= 300. ##K\n",
+ "p2= 400. ##kPa\n",
+ "p1= 100. ##kPa\n",
+ "p4= 100. ##kPa\n",
+ "p3= 400. ##kPa\n",
+ "T3= 1200. ##K\n",
+ "e= 0.85\n",
+ "ee= 0.9\n",
+ "m= 8 ##kg\n",
+ "cp= 1.0035\n",
+ "k= 1.4\n",
+ "##CALCULATIONS\n",
+ "T2s= T1*(p2/p1)**((k-1.)/k)\n",
+ "T4s= T3*(p4/p3)**((k-1.)/k)\n",
+ "T2= T1+((T2s-T1)/e)\n",
+ "T4= T3+ee*(T4s-T3)\n",
+ "P= m*cp*(T3-T4-T2+T1)\n",
+ "n= (T3-T4+T1-T2)/(T3-T4)\n",
+ "n1= (T3-T4+T1-T2)/(T3-T2)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% (' T4= ',T4,' K ')\n",
+ "print'%s %.2f %s'% (' T2= ',T2,' K ')\n",
+ "print'%s %.2f %s'% (' T4= ',P,' kW ')\n",
+ "print'%s %.2f %s'% (' net efficiency= ',n,' ')\n",
+ "print'%s %.2f %s'% (' net efficiency=',n1,' ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " T4= 846.79 K \n",
+ " T2= 471.53 K \n",
+ " T4= 1458.58 kW \n",
+ " net efficiency= 0.51 \n",
+ " net efficiency= 0.25 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg297"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate COP and power and COP at given enthalpy\n",
+ "##initialisation of variables\n",
+ "h1= 182.07 ##kJ/kg\n",
+ "h4= 76.26 ##kJ/kg\n",
+ "h2= 217.97 ##kJ/kg\n",
+ "Q= math.pow(10,6) ##kJ/h\n",
+ "Tc= -5 ##C\n",
+ "Th= 32 ##C\n",
+ "##CALCULATIONS\n",
+ "COP= (h1-h4)/(h2-h1)\n",
+ "W= Q/(COP*3600)\n",
+ "COPcarnot= (273.15+Tc)/(Th-Tc)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('COP= ',COP,'')\n",
+ "print'%s %.3f %s'% ('power=',W,'KW')\n",
+ "print'%s %.3f %s'% ('COP=',COPcarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "COP= 2.947 \n",
+ "power= 94.247 KW\n",
+ "COP= 7.247 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex8-pg298"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "##initialisation of variables\n",
+ "h1= 238.431 ##kJ/kg\n",
+ "h4= 109.777 ##kJ/kg\n",
+ "Qc= 6 ##kW\n",
+ "h2= 295.835 ##kJ/kg\n",
+ "n= 0.88\n",
+ "Tin= 33 ##C\n",
+ "Tout= 20 ##C\n",
+ "cp= 4.186 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "qc= h1-h4\n",
+ "m= Qc/qc\n",
+ "w= h2-h1\n",
+ "W= m*w/n\n",
+ "COP= Qc/W\n",
+ "qh= h2-h4\n",
+ "mcw= m*qh/(cp*(Tin-Tout))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% (' compressor power= ',W,' kW ')\n",
+ "print'%s %.2f %s'% (' COP= ',COP,' ')\n",
+ "print'%s %.2f %s'% (' cooling water flow= ',mcw,'kg/s ')"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " compressor power= 3.04 kW \n",
+ " COP= 1.97 \n",
+ " cooling water flow= 0.16 kg/s \n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example9-pg301"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate COPs and WORK at given variable\n",
+ "##initialisation of variables\n",
+ "h1= 183.12 ##kJ/kg\n",
+ "h4= 75.588 ##kJ/kg\n",
+ "h2= 218.697 ##kJ/kg\n",
+ "nm=0.94\n",
+ "Qc= 6 ##kW\n",
+ "h4a= 45.343 ##kJ/kg\n",
+ "h2a= 257.283 ##kJ/kg\n",
+ "h1a= 213.427 ##kJ/kg \n",
+ "##CALCULATIONS\n",
+ "COP= (h1-h4)*nm/(h2-h1)\n",
+ "W= Qc/COP\n",
+ "COP1= (h1-h4a)*nm/(h2a-h1a)\n",
+ "W1= Qc/COP1\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('COP=',COP,'')\n",
+ "print'%s %.3f %s'% ('COP=',COP1,'')\n",
+ "print'%s %.3f %s'% ('Work=',W,'kW')\n",
+ "print'%s %.3f %s'% ('Work=',W1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "COP= 2.841 \n",
+ "COP= 2.953 \n",
+ "Work= 2.112 kW\n",
+ "Work= 2.032 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex10-pg302"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "##initialisation of variables\n",
+ "h1= 238.431 ##kJ/kg\n",
+ "h4a= 73.881 ##kJ/kg\n",
+ "Qc= 6 ##kW\n",
+ "h2a= 343.787 ##kJ/kg\n",
+ "n= 0.88\n",
+ "Tin= 33 ##C\n",
+ "Tout= 20 ##C\n",
+ "cp= 4.186 ##J/mol K\n",
+ "h1a= 274.327 ##kJ/kg\n",
+ "h3= 109.777 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "qc= h1-h4a\n",
+ "m= Qc/qc\n",
+ "w= h2a-h1a\n",
+ "W= m*w/n\n",
+ "COP= Qc/W\n",
+ "qh= h2a-h3\n",
+ "mcw= m*qh/(cp*(Tin-Tout))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% (' compressor power= ',W,' kW ')\n",
+ "print'%s %.2f %s'% (' COP= ',COP,'')\n",
+ "print'%s %.2f %s'% (' cooling water flow= ',mcw,' kg/s ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " compressor power= 2.88 kW \n",
+ " COP= 2.08 \n",
+ " cooling water flow= 0.16 kg/s \n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example11-pg304"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate COP and W\n",
+ "##initialisation of variables\n",
+ "h1= 1404.6 ##kJ/kg\n",
+ "h2s= 1748.9 ##kJ/kg\n",
+ "ec= 0.8\n",
+ "h4= 322.9 ##kJ/kg\n",
+ "h2= 1835 ##kJ/kg\n",
+ "Q= 100 ##kW\n",
+ "h21= 1649.2 ##kJ/kg\n",
+ "h22= 1515 ##kJ/kg\n",
+ "h23= 1678.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "h2= h1+((h2s-h1)/ec)\n",
+ "COP= (h1-h4)/(h2-h1)\n",
+ "W= Q/COP\n",
+ "COP1= (h1-h4)/(h21-h1+h23-h22)\n",
+ "W1= Q/COP1\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% (' COP=',COP,'')\n",
+ "print'%s %.3f %s'% ('COP=',COP1,'')\n",
+ "print'%s %.1f %s'% ('W= ',W,'kW')\n",
+ "print'%s %.1f %s'% ('W=',W1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " COP= 2.513 \n",
+ "COP= 2.649 \n",
+ "W= 39.8 kW\n",
+ "W= 37.8 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter11_power_and_refrigeration_cycles.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter11_power_and_refrigeration_cycles.ipynb new file mode 100755 index 00000000..35f097c3 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter11_power_and_refrigeration_cycles.ipynb @@ -0,0 +1,468 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:a15297e2995d0ee44a3db61bf50b4aac4f8b03ecce59bf2a69c1f32113289b28"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter11-power and refrigeration cycles"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 203"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and effieceny and carnot efficency\n",
+ "##initialisation of variables\n",
+ "h1= 251.4 ##kJ/kg\n",
+ "v= 0.001017 ##m^3/kg\n",
+ "p2= 2000. ##Mpa\n",
+ "p1= 20. ##Mpa\n",
+ "h2= 253.4\n",
+ "h3= 3247.6 ##kJ/kg\n",
+ "h4= 2349.3 ##kJ/kg\n",
+ "Tc= 60.06 ##C\n",
+ "Th= 400. ##C\n",
+ "##CALCULATIONS\n",
+ "h2= h1+v*(2-p1)\n",
+ "q12= 0.\n",
+ "w12= h1-h2\n",
+ "q23= h3-h2\n",
+ "w23= 0.\n",
+ "q34= 0.\n",
+ "w34= h3-h4\n",
+ "q41= h1-h4\n",
+ "qnet= q12+q23+q34+q41\n",
+ "wnet= w12+w23+w34\n",
+ "n= wnet/q23\n",
+ "ncarnot= 1-((273.15+Tc)/(273.15+Th))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('enthalpy=',h2,'kJ/kg')\n",
+ "print'%s %.3f %s'%('efficiency=',n,'')\n",
+ "print'%s %.3f %s'%('carnot efficiency=',ncarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy= 251.4 kJ/kg\n",
+ "efficiency= 0.300 \n",
+ "carnot efficiency= 0.505 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg206"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat and effiecency and steam mass flow rate\n",
+ "##initialisation of variables\n",
+ "h3= 3247.4 ##kJ/kg\n",
+ "h4= 2439.1 ##kJ/kg\n",
+ "h1= 251.4 ##kJ/kg\n",
+ "h2= 253.9 ##kJ/kg\n",
+ "P= 100000 ##kW\n",
+ "##CALCULATIONS\n",
+ "wnet= h3-h4+h1-h2\n",
+ "qh= h3-h2\n",
+ "qc= h1-h4\n",
+ "n= wnet/qh\n",
+ "m= P/wnet\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('work=',wnet,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('heat=',qh,'kJ/kg')\n",
+ "print'%s %.1f %s'%('heat=',qc,'kJ/kg')\n",
+ "print'%s %.4f %s'%('efficiency=',n,'')\n",
+ "print'%s %.2f %s'%('steam mass flow rate=',m,'kg/s')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work= 806 kJ/kg\n",
+ "heat= 2993.5 kJ/kg\n",
+ "heat= -2187.7 kJ/kg\n",
+ "efficiency= 0.2692 \n",
+ "steam mass flow rate= 124.10 kg/s\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 208"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate qualitys and efficiency and mass flow rate and diameter\n",
+ "##initialisation of variables\n",
+ "h11= 2786.2 ##kJ/kg\n",
+ "h12= 340.5 ##kJ/kg\n",
+ "h7= 327.9 ##kJ/kg\n",
+ "h6= 169.0 ##kJ/kg\n",
+ "h10= 756.7 ##kJ/kg\n",
+ "h9= 480.9 ##kJkg\n",
+ "h14= 2818 ##kJ.kg\n",
+ "h15= 762.8 ##kJ/kg\n",
+ "h8= 462.7 ##kJ/kg\n",
+ "h13= 2974.5 ##kJ/kg\n",
+ "h5= 168.8 ##kJ/kg\n",
+ "P= 150. ##kW\n",
+ "v1= 0.02293 ##m^3/kg\n",
+ "v= 40. ##m/s\n",
+ "h1= 3448.6 ##kJ/kg\n",
+ "h3= 3478.5 ##kJ/kg\n",
+ "h2= 2818 ##kJ/kg\n",
+ "h4= 2527.1 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "y1= (h10-h9)/(h14-h15)\n",
+ "y2= ((h8-h7)-y1*(h15-h7))/(h13-h7)\n",
+ "y3= (h7-h6)*(1-y1-y2)/(h11-h12)\n",
+ "qin= h1-h10+(1-y1)*(h3-h2)\n",
+ "qout= (h5-h4)*(1-y1-y2)+y3*(h4-h12)\n",
+ "wnet= qin+qout\n",
+ "n= wnet*100/qin\n",
+ "m1= P*1000/wnet\n",
+ "A1= m1*v1/v\n",
+ "D= math.sqrt(4*A1/math.pi)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%(' quality=',y1,'')\n",
+ "print'%s %.4f %s'%('quality=',y2,'')\n",
+ "print'%s %.4f %s'%('quality=',y3,'')\n",
+ "print'%s %.2f %s'%('efficiency=',n,'percent')\n",
+ "print'%s %.2f %s'%('mass flow rate=',m1,'kg/s')\n",
+ "print'%s %.3f %s'%(' diameter=',D,'m')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " quality= 0.1342 \n",
+ "quality= 0.0289 \n",
+ "quality= 0.0544 \n",
+ "efficiency= 43.17 percent\n",
+ "mass flow rate= 106.46 kg/s\n",
+ " diameter= 0.279 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 213"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate effieciency and power and temperature at the exist\n",
+ "##initialisation of variables\n",
+ "T= 300. ##K\n",
+ "P= 100. ##kPa\n",
+ "r= 4.\n",
+ "T1= 1200. ##K\n",
+ "m= 5. ##kg/s\n",
+ "k= 1.4\n",
+ "R= 8.314 ##jmol K\n",
+ "M= 29. ##gms\n",
+ "##CALCULATIONS\n",
+ "T2= T*math.pow(r,(k-1)/k)\n",
+ "T4= T1/math.pow(r,(k-1)/k)\n",
+ "n= 1-(T/T2)\n",
+ "wnet= (k*R/((k-1)*M))*(T1-T4+T-T2)\n",
+ "P= m*wnet\n",
+ "e= math.sqrt((T2-T)/(T1-T4))\n",
+ "T5= T+((T2-T)/e)\n",
+ "T6= T1+e*(T4-T1)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('efficiency=',n,'')\n",
+ "print'%s %.f %s'%('power=',P,'kW')\n",
+ "print'%s %.4f %s'%('efficiency=',e,'')\n",
+ "print'%s %.1f %s'%('temperature at the exit=',T6,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "efficiency= 0.3270 \n",
+ "power= 1238 kW\n",
+ "efficiency= 0.6095 \n",
+ "temperature at the exit= 960.8 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg217"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "v= 810. ##km/h\n",
+ "v1= 40. ##m/sec\n",
+ "cp= 1003. ##J/k mol\n",
+ "T0= 300. ##K\n",
+ "ec= 0.88\n",
+ "k= 1.4\n",
+ "T3= 1473.15 ##K\n",
+ "p3= 600. ##kPa\n",
+ "p0= 26.4 ##kPa\n",
+ "e= 0.9\n",
+ "m= 90. ##kg\n",
+ "cp1= 1.003 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "v0= v*1000/3600.\n",
+ "T1= T0+((v0**2-v1**2)/(2*cp))\n",
+ "T1s= T0+ec*(T0-T1)\n",
+ "p1= 36.79 #kPa\n",
+ "p2= 600 #kPa\n",
+ "T2s= T1*(p2/p1)**((k-1)/k)\n",
+ "T2= T1+((T2s-T1)/ec)\n",
+ "T21= T1+(T2s-T1)/ec\n",
+ "T4= T3+T0-T21\n",
+ "T4s= T3+(T4-T3)/ec\n",
+ "p4= p3*(T4s/T3)\n",
+ "T5s= p4+(p0-p4)*e\n",
+ "W34= m*cp1*(T3-T4)\n",
+ "v5= math.sqrt(v1**2+2*cp*(T4-T5s))\n",
+ "F= m*(v5-v0)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('T5=',T4s,'K ')\n",
+ "print'%s %.f %s'% ('Work=',W34,'kW ')\n",
+ "print'%s %.1f %s'% ('nozzle velocity=',v5,'m/s')\n",
+ "print'%s %.f %s'% ('thrust force=',F,'N')\n",
+ "\n",
+ "##ANSWERS GIVEN IN THE TEXTBOOK ARE WRONG\n",
+ "\n",
+ "##RESULTS\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "T5= 934.14 K \n",
+ "Work= 42818 kW \n",
+ "nozzle velocity= 1371.6 m/s\n",
+ "thrust force= 103193 N\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg225"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate COP and power and COP at given enthalpy\n",
+ "##initialisation of variables\n",
+ "h1= 182.07 ##kJ/kg\n",
+ "h4= 76.26 ##kJ/kg\n",
+ "h2= 217.97 ##kJ/kg\n",
+ "Q= math.pow(10,6) ##kJ/h\n",
+ "Tc= -5 ##C\n",
+ "Th= 32 ##C\n",
+ "##CALCULATIONS\n",
+ "COP= (h1-h4)/(h2-h1)\n",
+ "W= Q/(COP*3600)\n",
+ "COPcarnot= (273.15+Tc)/(Th-Tc)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('COP= ',COP,'')\n",
+ "print'%s %.3f %s'% ('power=',W,'KW')\n",
+ "print'%s %.3f %s'% ('COP=',COPcarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "COP= 2.947 \n",
+ "power= 94.247 KW\n",
+ "COP= 7.247 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg227"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate COPs and WORK at given variable\n",
+ "##initialisation of variables\n",
+ "h1= 183.12 ##kJ/kg\n",
+ "h4= 75.588 ##kJ/kg\n",
+ "h2= 218.697 ##kJ/kg\n",
+ "nm=0.94\n",
+ "Qc= 6 ##kW\n",
+ "h4a= 45.343 ##kJ/kg\n",
+ "h2a= 257.283 ##kJ/kg\n",
+ "h1a= 213.427 ##kJ/kg \n",
+ "##CALCULATIONS\n",
+ "COP= (h1-h4)*nm/(h2-h1)\n",
+ "W= Qc/COP\n",
+ "COP1= (h1-h4a)*nm/(h2a-h1a)\n",
+ "W1= Qc/COP1\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('COP=',COP,'')\n",
+ "print'%s %.3f %s'% ('COP=',COP1,'')\n",
+ "print'%s %.3f %s'% ('Work=',W,'kW')\n",
+ "print'%s %.3f %s'% ('Work=',W1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "COP= 2.841 \n",
+ "COP= 2.953 \n",
+ "Work= 2.112 kW\n",
+ "Work= 2.032 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg228"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate COP and W\n",
+ "##initialisation of variables\n",
+ "h1= 1404.6 ##kJ/kg\n",
+ "h2s= 1748.9 ##kJ/kg\n",
+ "ec= 0.8\n",
+ "h4= 322.9 ##kJ/kg\n",
+ "h2= 1835 ##kJ/kg\n",
+ "Q= 100 ##kW\n",
+ "h21= 1649.2 ##kJ/kg\n",
+ "h22= 1515 ##kJ/kg\n",
+ "h23= 1678.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "h2= h1+((h2s-h1)/ec)\n",
+ "COP= (h1-h4)/(h2-h1)\n",
+ "W= Q/COP\n",
+ "COP1= (h1-h4)/(h21-h1+h23-h22)\n",
+ "W1= Q/COP1\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% (' COP=',COP,'')\n",
+ "print'%s %.3f %s'% ('COP=',COP1,'')\n",
+ "print'%s %.1f %s'% ('W= ',W,'kW')\n",
+ "print'%s %.1f %s'% ('W=',W1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " COP= 2.513 \n",
+ "COP= 2.649 \n",
+ "W= 39.8 kW\n",
+ "W= 37.8 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter13-.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter13-.ipynb new file mode 100755 index 00000000..cb096e14 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter13-.ipynb @@ -0,0 +1,217 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:8d95c094e950bc8cd1f4bbc97c09344d22cf81b1ba4d6101a144be7a5e1e83dc"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter13-thermodynamic relations"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg284"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy wrt pressures and volume wrt temerature\n",
+ "##initialisation of variables\n",
+ "S1= 6.539 ##kJ/kg K\n",
+ "S2= 6.7664 ##kJ/kg K\n",
+ "v1= 0.10976 ##m^3\n",
+ "v2= 0.08700 ##m^3\n",
+ "P= 3. ##Mpa\n",
+ "P1= 2. ##Mpa\n",
+ "T= 350. ##K\n",
+ "T1= 250. ##K\n",
+ "S3= 3.1741 ##kJ/kg K\n",
+ "S4= 3.2071 ##kJ/kg K\n",
+ "P2= 30. ##Mpa\n",
+ "P3= 20. ##Mpa\n",
+ "v3= 0.0014217 ##m^3\n",
+ "v4= 0.0012860 ##m^3\n",
+ "T2= 320. ##K\n",
+ "T3= 280. ##K\n",
+ "##CALCULATIONS\n",
+ "r= (S1-S2)/(P*10*10*10-P1*10*10*10)\n",
+ "r1= (v1-v2)/(T-T1)\n",
+ "R= (S3-S4)/(P2*10*10*10-P3*10*10*10)\n",
+ "R1= (v3-v4)/(T2-T3)\n",
+ "##RESULTS\n",
+ "print'%s %.7f %s'% ('entropy wrt pressre=',r,'kJ/kg K kpa')\n",
+ "print'%s %.e %s'% ('entropy wrt pressre=',R,'kJ/kg K kpa')\n",
+ "print'%s %.7f %s'% ('volume wrt temperature=',r1,'m^3/kg K ')\n",
+ "print'%s %.2e %s'% ('volume wrt temperature=',R1,'m^3/kg K ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entropy wrt pressre= -0.0002274 kJ/kg K kpa\n",
+ "entropy wrt pressre= -3e-06 kJ/kg K kpa\n",
+ "volume wrt temperature= 0.0002276 m^3/kg K \n",
+ "volume wrt temperature= 3.39e-06 m^3/kg K \n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg286"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#saturation pressure\n",
+ "##initialisation of variables\n",
+ "hfg= 2406.7 ##kJ/kg\n",
+ "Psat40= 7.384 ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 40. ##C\n",
+ "T1= 50. ##C\n",
+ "M= 18.##kg\n",
+ "##CALCULATIONS\n",
+ "Psat50= Psat40*math.e**((hfg*M/R)*((1/(273.15+T))-(1/(273.15+T1))))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s' %('Saturation pressure=',Psat50,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Saturation pressure= 12.357 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg287"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte lowest temprature\n",
+ "##initialisation of variables\n",
+ "W= 800. ##N\n",
+ "A= 0.4 ##cm^2\n",
+ "p= 0.611 ##Mpa\n",
+ "P1= 0.1 ##Mpa\n",
+ "T= 0.01 ##C\n",
+ "vs= 0.0010908 ##m^3/kg\n",
+ "hs= -333.40 ##kJ/kg\n",
+ "vf= 0.0010002 ##m^3/kg\n",
+ "hf= 0 ##kJ/kg\n",
+ "vg= 206.14 ##m^3/kg\n",
+ "hg= 2501.4 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "P2= P1+(W/A)*math.pow(10,(4-6))\n",
+ "dT= (273.15++T)*(vf-vs)*(P2*10*10*10-p)/(0-hs)\n",
+ "Tmin= dT+T\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('lowest temperature=',Tmin,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "lowest temperature= -1.48 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg292"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume exapansion coefficent and isothermal compressibilitiy and isotherma modulus of elasticity\n",
+ "##initialisation of variables\n",
+ "vi= 0.0009992 ##m^3\n",
+ "T= 60. ##C\n",
+ "T1= 20. ##C\n",
+ "T2= 40. ##C\n",
+ "vi1= 0.0010042 ##m^3\n",
+ "vi2= 0.0009886 ##m^3\n",
+ "v= 0.000951 ##m^3\n",
+ "v1= 0.0009992 ##m^3\n",
+ "v2= 0.0009956 ##m^3\n",
+ "##CALCULATIONS\n",
+ "B= (vi1-vi2)/(vi*(T-T1))\n",
+ "Kt= (v1-v2)/(v*(T2-T1))\n",
+ "Et= 1/Kt\n",
+ "##RESULTS\n",
+ "print'%s %.2e %s'% ('volume exapansion coefficient=',B,'L/s')\n",
+ "print'%s %.3e %s'% ('isothermal compressibility=',Kt,'Mpa')\n",
+ "print'%s %.f %s'% ('isothermal modulus of elasticity=',Et,'Mpa')\n",
+ "\n",
+ "\n",
+ "##ANSWER FOR Et GIVEN IN THE TEXTBOOK IS WRONG\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume exapansion coefficient= 3.90e-04 L/s\n",
+ "isothermal compressibility= 1.893e-04 Mpa\n",
+ "isothermal modulus of elasticity= 5283 Mpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter13-_thermodynamic_relations.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter13-_thermodynamic_relations.ipynb new file mode 100755 index 00000000..cb096e14 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter13-_thermodynamic_relations.ipynb @@ -0,0 +1,217 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:8d95c094e950bc8cd1f4bbc97c09344d22cf81b1ba4d6101a144be7a5e1e83dc"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter13-thermodynamic relations"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg284"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy wrt pressures and volume wrt temerature\n",
+ "##initialisation of variables\n",
+ "S1= 6.539 ##kJ/kg K\n",
+ "S2= 6.7664 ##kJ/kg K\n",
+ "v1= 0.10976 ##m^3\n",
+ "v2= 0.08700 ##m^3\n",
+ "P= 3. ##Mpa\n",
+ "P1= 2. ##Mpa\n",
+ "T= 350. ##K\n",
+ "T1= 250. ##K\n",
+ "S3= 3.1741 ##kJ/kg K\n",
+ "S4= 3.2071 ##kJ/kg K\n",
+ "P2= 30. ##Mpa\n",
+ "P3= 20. ##Mpa\n",
+ "v3= 0.0014217 ##m^3\n",
+ "v4= 0.0012860 ##m^3\n",
+ "T2= 320. ##K\n",
+ "T3= 280. ##K\n",
+ "##CALCULATIONS\n",
+ "r= (S1-S2)/(P*10*10*10-P1*10*10*10)\n",
+ "r1= (v1-v2)/(T-T1)\n",
+ "R= (S3-S4)/(P2*10*10*10-P3*10*10*10)\n",
+ "R1= (v3-v4)/(T2-T3)\n",
+ "##RESULTS\n",
+ "print'%s %.7f %s'% ('entropy wrt pressre=',r,'kJ/kg K kpa')\n",
+ "print'%s %.e %s'% ('entropy wrt pressre=',R,'kJ/kg K kpa')\n",
+ "print'%s %.7f %s'% ('volume wrt temperature=',r1,'m^3/kg K ')\n",
+ "print'%s %.2e %s'% ('volume wrt temperature=',R1,'m^3/kg K ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entropy wrt pressre= -0.0002274 kJ/kg K kpa\n",
+ "entropy wrt pressre= -3e-06 kJ/kg K kpa\n",
+ "volume wrt temperature= 0.0002276 m^3/kg K \n",
+ "volume wrt temperature= 3.39e-06 m^3/kg K \n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg286"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#saturation pressure\n",
+ "##initialisation of variables\n",
+ "hfg= 2406.7 ##kJ/kg\n",
+ "Psat40= 7.384 ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 40. ##C\n",
+ "T1= 50. ##C\n",
+ "M= 18.##kg\n",
+ "##CALCULATIONS\n",
+ "Psat50= Psat40*math.e**((hfg*M/R)*((1/(273.15+T))-(1/(273.15+T1))))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s' %('Saturation pressure=',Psat50,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Saturation pressure= 12.357 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg287"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte lowest temprature\n",
+ "##initialisation of variables\n",
+ "W= 800. ##N\n",
+ "A= 0.4 ##cm^2\n",
+ "p= 0.611 ##Mpa\n",
+ "P1= 0.1 ##Mpa\n",
+ "T= 0.01 ##C\n",
+ "vs= 0.0010908 ##m^3/kg\n",
+ "hs= -333.40 ##kJ/kg\n",
+ "vf= 0.0010002 ##m^3/kg\n",
+ "hf= 0 ##kJ/kg\n",
+ "vg= 206.14 ##m^3/kg\n",
+ "hg= 2501.4 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "P2= P1+(W/A)*math.pow(10,(4-6))\n",
+ "dT= (273.15++T)*(vf-vs)*(P2*10*10*10-p)/(0-hs)\n",
+ "Tmin= dT+T\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('lowest temperature=',Tmin,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "lowest temperature= -1.48 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg292"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume exapansion coefficent and isothermal compressibilitiy and isotherma modulus of elasticity\n",
+ "##initialisation of variables\n",
+ "vi= 0.0009992 ##m^3\n",
+ "T= 60. ##C\n",
+ "T1= 20. ##C\n",
+ "T2= 40. ##C\n",
+ "vi1= 0.0010042 ##m^3\n",
+ "vi2= 0.0009886 ##m^3\n",
+ "v= 0.000951 ##m^3\n",
+ "v1= 0.0009992 ##m^3\n",
+ "v2= 0.0009956 ##m^3\n",
+ "##CALCULATIONS\n",
+ "B= (vi1-vi2)/(vi*(T-T1))\n",
+ "Kt= (v1-v2)/(v*(T2-T1))\n",
+ "Et= 1/Kt\n",
+ "##RESULTS\n",
+ "print'%s %.2e %s'% ('volume exapansion coefficient=',B,'L/s')\n",
+ "print'%s %.3e %s'% ('isothermal compressibility=',Kt,'Mpa')\n",
+ "print'%s %.f %s'% ('isothermal modulus of elasticity=',Et,'Mpa')\n",
+ "\n",
+ "\n",
+ "##ANSWER FOR Et GIVEN IN THE TEXTBOOK IS WRONG\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume exapansion coefficient= 3.90e-04 L/s\n",
+ "isothermal compressibility= 1.893e-04 Mpa\n",
+ "isothermal modulus of elasticity= 5283 Mpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter13.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter13.ipynb new file mode 100755 index 00000000..cb096e14 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter13.ipynb @@ -0,0 +1,217 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:8d95c094e950bc8cd1f4bbc97c09344d22cf81b1ba4d6101a144be7a5e1e83dc"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter13-thermodynamic relations"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg284"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy wrt pressures and volume wrt temerature\n",
+ "##initialisation of variables\n",
+ "S1= 6.539 ##kJ/kg K\n",
+ "S2= 6.7664 ##kJ/kg K\n",
+ "v1= 0.10976 ##m^3\n",
+ "v2= 0.08700 ##m^3\n",
+ "P= 3. ##Mpa\n",
+ "P1= 2. ##Mpa\n",
+ "T= 350. ##K\n",
+ "T1= 250. ##K\n",
+ "S3= 3.1741 ##kJ/kg K\n",
+ "S4= 3.2071 ##kJ/kg K\n",
+ "P2= 30. ##Mpa\n",
+ "P3= 20. ##Mpa\n",
+ "v3= 0.0014217 ##m^3\n",
+ "v4= 0.0012860 ##m^3\n",
+ "T2= 320. ##K\n",
+ "T3= 280. ##K\n",
+ "##CALCULATIONS\n",
+ "r= (S1-S2)/(P*10*10*10-P1*10*10*10)\n",
+ "r1= (v1-v2)/(T-T1)\n",
+ "R= (S3-S4)/(P2*10*10*10-P3*10*10*10)\n",
+ "R1= (v3-v4)/(T2-T3)\n",
+ "##RESULTS\n",
+ "print'%s %.7f %s'% ('entropy wrt pressre=',r,'kJ/kg K kpa')\n",
+ "print'%s %.e %s'% ('entropy wrt pressre=',R,'kJ/kg K kpa')\n",
+ "print'%s %.7f %s'% ('volume wrt temperature=',r1,'m^3/kg K ')\n",
+ "print'%s %.2e %s'% ('volume wrt temperature=',R1,'m^3/kg K ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entropy wrt pressre= -0.0002274 kJ/kg K kpa\n",
+ "entropy wrt pressre= -3e-06 kJ/kg K kpa\n",
+ "volume wrt temperature= 0.0002276 m^3/kg K \n",
+ "volume wrt temperature= 3.39e-06 m^3/kg K \n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg286"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#saturation pressure\n",
+ "##initialisation of variables\n",
+ "hfg= 2406.7 ##kJ/kg\n",
+ "Psat40= 7.384 ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 40. ##C\n",
+ "T1= 50. ##C\n",
+ "M= 18.##kg\n",
+ "##CALCULATIONS\n",
+ "Psat50= Psat40*math.e**((hfg*M/R)*((1/(273.15+T))-(1/(273.15+T1))))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s' %('Saturation pressure=',Psat50,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Saturation pressure= 12.357 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg287"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte lowest temprature\n",
+ "##initialisation of variables\n",
+ "W= 800. ##N\n",
+ "A= 0.4 ##cm^2\n",
+ "p= 0.611 ##Mpa\n",
+ "P1= 0.1 ##Mpa\n",
+ "T= 0.01 ##C\n",
+ "vs= 0.0010908 ##m^3/kg\n",
+ "hs= -333.40 ##kJ/kg\n",
+ "vf= 0.0010002 ##m^3/kg\n",
+ "hf= 0 ##kJ/kg\n",
+ "vg= 206.14 ##m^3/kg\n",
+ "hg= 2501.4 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "P2= P1+(W/A)*math.pow(10,(4-6))\n",
+ "dT= (273.15++T)*(vf-vs)*(P2*10*10*10-p)/(0-hs)\n",
+ "Tmin= dT+T\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('lowest temperature=',Tmin,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "lowest temperature= -1.48 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg292"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume exapansion coefficent and isothermal compressibilitiy and isotherma modulus of elasticity\n",
+ "##initialisation of variables\n",
+ "vi= 0.0009992 ##m^3\n",
+ "T= 60. ##C\n",
+ "T1= 20. ##C\n",
+ "T2= 40. ##C\n",
+ "vi1= 0.0010042 ##m^3\n",
+ "vi2= 0.0009886 ##m^3\n",
+ "v= 0.000951 ##m^3\n",
+ "v1= 0.0009992 ##m^3\n",
+ "v2= 0.0009956 ##m^3\n",
+ "##CALCULATIONS\n",
+ "B= (vi1-vi2)/(vi*(T-T1))\n",
+ "Kt= (v1-v2)/(v*(T2-T1))\n",
+ "Et= 1/Kt\n",
+ "##RESULTS\n",
+ "print'%s %.2e %s'% ('volume exapansion coefficient=',B,'L/s')\n",
+ "print'%s %.3e %s'% ('isothermal compressibility=',Kt,'Mpa')\n",
+ "print'%s %.f %s'% ('isothermal modulus of elasticity=',Et,'Mpa')\n",
+ "\n",
+ "\n",
+ "##ANSWER FOR Et GIVEN IN THE TEXTBOOK IS WRONG\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume exapansion coefficient= 3.90e-04 L/s\n",
+ "isothermal compressibility= 1.893e-04 Mpa\n",
+ "isothermal modulus of elasticity= 5283 Mpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter13_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter13_1.ipynb new file mode 100755 index 00000000..cb096e14 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter13_1.ipynb @@ -0,0 +1,217 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:8d95c094e950bc8cd1f4bbc97c09344d22cf81b1ba4d6101a144be7a5e1e83dc"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter13-thermodynamic relations"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg284"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy wrt pressures and volume wrt temerature\n",
+ "##initialisation of variables\n",
+ "S1= 6.539 ##kJ/kg K\n",
+ "S2= 6.7664 ##kJ/kg K\n",
+ "v1= 0.10976 ##m^3\n",
+ "v2= 0.08700 ##m^3\n",
+ "P= 3. ##Mpa\n",
+ "P1= 2. ##Mpa\n",
+ "T= 350. ##K\n",
+ "T1= 250. ##K\n",
+ "S3= 3.1741 ##kJ/kg K\n",
+ "S4= 3.2071 ##kJ/kg K\n",
+ "P2= 30. ##Mpa\n",
+ "P3= 20. ##Mpa\n",
+ "v3= 0.0014217 ##m^3\n",
+ "v4= 0.0012860 ##m^3\n",
+ "T2= 320. ##K\n",
+ "T3= 280. ##K\n",
+ "##CALCULATIONS\n",
+ "r= (S1-S2)/(P*10*10*10-P1*10*10*10)\n",
+ "r1= (v1-v2)/(T-T1)\n",
+ "R= (S3-S4)/(P2*10*10*10-P3*10*10*10)\n",
+ "R1= (v3-v4)/(T2-T3)\n",
+ "##RESULTS\n",
+ "print'%s %.7f %s'% ('entropy wrt pressre=',r,'kJ/kg K kpa')\n",
+ "print'%s %.e %s'% ('entropy wrt pressre=',R,'kJ/kg K kpa')\n",
+ "print'%s %.7f %s'% ('volume wrt temperature=',r1,'m^3/kg K ')\n",
+ "print'%s %.2e %s'% ('volume wrt temperature=',R1,'m^3/kg K ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entropy wrt pressre= -0.0002274 kJ/kg K kpa\n",
+ "entropy wrt pressre= -3e-06 kJ/kg K kpa\n",
+ "volume wrt temperature= 0.0002276 m^3/kg K \n",
+ "volume wrt temperature= 3.39e-06 m^3/kg K \n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg286"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#saturation pressure\n",
+ "##initialisation of variables\n",
+ "hfg= 2406.7 ##kJ/kg\n",
+ "Psat40= 7.384 ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 40. ##C\n",
+ "T1= 50. ##C\n",
+ "M= 18.##kg\n",
+ "##CALCULATIONS\n",
+ "Psat50= Psat40*math.e**((hfg*M/R)*((1/(273.15+T))-(1/(273.15+T1))))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s' %('Saturation pressure=',Psat50,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Saturation pressure= 12.357 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg287"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte lowest temprature\n",
+ "##initialisation of variables\n",
+ "W= 800. ##N\n",
+ "A= 0.4 ##cm^2\n",
+ "p= 0.611 ##Mpa\n",
+ "P1= 0.1 ##Mpa\n",
+ "T= 0.01 ##C\n",
+ "vs= 0.0010908 ##m^3/kg\n",
+ "hs= -333.40 ##kJ/kg\n",
+ "vf= 0.0010002 ##m^3/kg\n",
+ "hf= 0 ##kJ/kg\n",
+ "vg= 206.14 ##m^3/kg\n",
+ "hg= 2501.4 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "P2= P1+(W/A)*math.pow(10,(4-6))\n",
+ "dT= (273.15++T)*(vf-vs)*(P2*10*10*10-p)/(0-hs)\n",
+ "Tmin= dT+T\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('lowest temperature=',Tmin,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "lowest temperature= -1.48 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg292"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume exapansion coefficent and isothermal compressibilitiy and isotherma modulus of elasticity\n",
+ "##initialisation of variables\n",
+ "vi= 0.0009992 ##m^3\n",
+ "T= 60. ##C\n",
+ "T1= 20. ##C\n",
+ "T2= 40. ##C\n",
+ "vi1= 0.0010042 ##m^3\n",
+ "vi2= 0.0009886 ##m^3\n",
+ "v= 0.000951 ##m^3\n",
+ "v1= 0.0009992 ##m^3\n",
+ "v2= 0.0009956 ##m^3\n",
+ "##CALCULATIONS\n",
+ "B= (vi1-vi2)/(vi*(T-T1))\n",
+ "Kt= (v1-v2)/(v*(T2-T1))\n",
+ "Et= 1/Kt\n",
+ "##RESULTS\n",
+ "print'%s %.2e %s'% ('volume exapansion coefficient=',B,'L/s')\n",
+ "print'%s %.3e %s'% ('isothermal compressibility=',Kt,'Mpa')\n",
+ "print'%s %.f %s'% ('isothermal modulus of elasticity=',Et,'Mpa')\n",
+ "\n",
+ "\n",
+ "##ANSWER FOR Et GIVEN IN THE TEXTBOOK IS WRONG\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume exapansion coefficient= 3.90e-04 L/s\n",
+ "isothermal compressibility= 1.893e-04 Mpa\n",
+ "isothermal modulus of elasticity= 5283 Mpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter13_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter13_2.ipynb new file mode 100755 index 00000000..110060a8 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter13_2.ipynb @@ -0,0 +1,217 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:d016c4eeb787b1d0c0380525317de7921eaea49abd3574e22c9db72f92b90771"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter13-thermodynamic relations"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg376"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy wrt pressures and volume wrt temerature\n",
+ "##initialisation of variables\n",
+ "S1= 6.539 ##kJ/kg K\n",
+ "S2= 6.7664 ##kJ/kg K\n",
+ "v1= 0.10976 ##m^3\n",
+ "v2= 0.08700 ##m^3\n",
+ "P= 3. ##Mpa\n",
+ "P1= 2. ##Mpa\n",
+ "T= 350. ##K\n",
+ "T1= 250. ##K\n",
+ "S3= 3.1741 ##kJ/kg K\n",
+ "S4= 3.2071 ##kJ/kg K\n",
+ "P2= 30. ##Mpa\n",
+ "P3= 20. ##Mpa\n",
+ "v3= 0.0014217 ##m^3\n",
+ "v4= 0.0012860 ##m^3\n",
+ "T2= 320. ##K\n",
+ "T3= 280. ##K\n",
+ "##CALCULATIONS\n",
+ "r= (S1-S2)/(P*10*10*10-P1*10*10*10)\n",
+ "r1= (v1-v2)/(T-T1)\n",
+ "R= (S3-S4)/(P2*10*10*10-P3*10*10*10)\n",
+ "R1= (v3-v4)/(T2-T3)\n",
+ "##RESULTS\n",
+ "print'%s %.7f %s'% ('entropy wrt pressre=',r,'kJ/kg K kpa')\n",
+ "print'%s %.e %s'% ('entropy wrt pressre=',R,'kJ/kg K kpa')\n",
+ "print'%s %.7f %s'% ('volume wrt temperature=',r1,'m^3/kg K ')\n",
+ "print'%s %.2e %s'% ('volume wrt temperature=',R1,'m^3/kg K ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entropy wrt pressre= -0.0002274 kJ/kg K kpa\n",
+ "entropy wrt pressre= -3e-06 kJ/kg K kpa\n",
+ "volume wrt temperature= 0.0002276 m^3/kg K \n",
+ "volume wrt temperature= 3.39e-06 m^3/kg K \n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg379"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#saturation pressure\n",
+ "##initialisation of variables\n",
+ "hfg= 2406.7 ##kJ/kg\n",
+ "Psat40= 7.384 ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 40. ##C\n",
+ "T1= 50. ##C\n",
+ "M= 18.##kg\n",
+ "##CALCULATIONS\n",
+ "Psat50= Psat40*math.e**((hfg*M/R)*((1/(273.15+T))-(1/(273.15+T1))))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s' %('Saturation pressure=',Psat50,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Saturation pressure= 12.357 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg379"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte lowest temprature\n",
+ "##initialisation of variables\n",
+ "W= 800. ##N\n",
+ "A= 0.4 ##cm^2\n",
+ "p= 0.611 ##Mpa\n",
+ "P1= 0.1 ##Mpa\n",
+ "T= 0.01 ##C\n",
+ "vs= 0.0010908 ##m^3/kg\n",
+ "hs= -333.40 ##kJ/kg\n",
+ "vf= 0.0010002 ##m^3/kg\n",
+ "hf= 0 ##kJ/kg\n",
+ "vg= 206.14 ##m^3/kg\n",
+ "hg= 2501.4 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "P2= P1+(W/A)*math.pow(10,(4-6))\n",
+ "dT= (273.15++T)*(vf-vs)*(P2*10*10*10-p)/(0-hs)\n",
+ "Tmin= dT+T\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('lowest temperature=',Tmin,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "lowest temperature= -1.48 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg385"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume exapansion coefficent and isothermal compressibilitiy and isotherma modulus of elasticity\n",
+ "##initialisation of variables\n",
+ "vi= 0.0009992 ##m^3\n",
+ "T= 60. ##C\n",
+ "T1= 20. ##C\n",
+ "T2= 40. ##C\n",
+ "vi1= 0.0010042 ##m^3\n",
+ "vi2= 0.0009886 ##m^3\n",
+ "v= 0.000951 ##m^3\n",
+ "v1= 0.0009992 ##m^3\n",
+ "v2= 0.0009956 ##m^3\n",
+ "##CALCULATIONS\n",
+ "B= (vi1-vi2)/(vi*(T-T1))\n",
+ "Kt= (v1-v2)/(v*(T2-T1))\n",
+ "Et= 1/Kt\n",
+ "##RESULTS\n",
+ "print'%s %.2e %s'% ('volume exapansion coefficient=',B,'L/s')\n",
+ "print'%s %.3e %s'% ('isothermal compressibility=',Kt,'Mpa')\n",
+ "print'%s %.f %s'% ('isothermal modulus of elasticity=',Et,'Mpa')\n",
+ "\n",
+ "\n",
+ "##ANSWER FOR Et GIVEN IN THE TEXTBOOK IS WRONG\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume exapansion coefficient= 3.90e-04 L/s\n",
+ "isothermal compressibility= 1.893e-04 Mpa\n",
+ "isothermal modulus of elasticity= 5283 Mpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter14.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter14.ipynb new file mode 100755 index 00000000..5bcffb75 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter14.ipynb @@ -0,0 +1,313 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:dceed5d123e7adb1d73db762a18a52615a5b487342c94704535d968cf751d6c0"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter14-equations of state and generlized charts"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "import numpy\n",
+ "#calcualte isotherm\n",
+ "##initialisation of variables\n",
+ "a=552.6 ##kPa m^6/kmol^2\n",
+ "b= 0.03402 ##m^3/kmol\n",
+ "p= 100. ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "vec=([p,-a,2*a*b])\n",
+ "vector= numpy.roots(vec)\n",
+ "x=vec[0]\n",
+ "T= 2*a*(x-b)*(x-b)/(R*x*x*x)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' isotherm=',T,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " isotherm= 1.3 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg307"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volumes of given temperatures\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 400. ##C\n",
+ "T1= 500. ##C\n",
+ "M= 18.015 ##kg/k mol\n",
+ "p1= 30. ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v1= R*(273.15+T)/(M*p1*10*10*10)\n",
+ "v2= R*(273.15+T1)/(M*p1*10*10*10)\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'% ('volume=',v1,'m^3/kg')\n",
+ "print'%s %.5f %s'% ('volume=',v2,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume= 0.01036 m^3/kg\n",
+ "volume= 0.01189 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg310"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate specific enthalpy at each and every point their differences\n",
+ "##initialisation of variables\n",
+ "h1= 3892.2 ##kJ/kg\n",
+ "h2= 4102.2 ##kJ/kg\n",
+ "dh= 1015.4 ##kJ/kg\n",
+ "dh1= 448. ##kJ/kg\n",
+ "h3= 2151.1 ##kJ/kg\n",
+ "h4= 3081.1 ##kJ/kg\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h1,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h2,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h3,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h4,'kJ/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy difference=',dh,'kJ/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy difference=',dh1,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Specific Enthalpy= 3892.2 kJ/kg\n",
+ "Specific Enthalpy= 4102.2 kJ/kg\n",
+ "Specific Enthalpy= 2151.1 kJ/kg\n",
+ "Specific Enthalpy= 3081.1 kJ/kg\n",
+ "Enthalpy difference= 1015 kJ/kg\n",
+ "Enthalpy difference= 448 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg313"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy at every point\n",
+ "##initialisation of variables\n",
+ "s2= 5.7905 ##kJ/kg K\n",
+ "s1= 4.4728 ##kJ/kg K\n",
+ "s3= 4.64437 ##kJ/kg K\n",
+ "s4= 5.7883 ##kJ/kg K\n",
+ "s5= 6.2036 ##kJ/kg K\n",
+ "s6= 5.9128 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "S1= s2-s1\n",
+ "S2= s4-s3\n",
+ "S3= s5-s6\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('Entropy=',S1,'kJ/kg K')\n",
+ "print'%s %.4f %s'% ('Entropy=',S2,'kJ/kg K')\n",
+ "print'%s %.4f %s'% ('Entropy=',S3,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Entropy= 1.3177 kJ/kg K\n",
+ "Entropy= 1.1439 kJ/kg K\n",
+ "Entropy= 0.2908 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg315"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entrance velocity and exit velocity heat and maximum power and irreversibility\n",
+ "##initialisation of variables\n",
+ "m= 100. ##kg/s\n",
+ "M= 58. ##kg/kmol\n",
+ "v1= 0.164 ##m^3/kmol\n",
+ "r= 0.1 ##m\n",
+ "v2= 2.675 ##m^3/kmol \n",
+ "T= 175. ##C\n",
+ "T1= 80. ##C\n",
+ "cp= 1.75 ##kJ/kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "dh= 3.6 ##kJ/kg\n",
+ "dh1= 0.5 ##kJ/kg\n",
+ "T2= 425 ##K\n",
+ "p2= 0.9 ##Mpa\n",
+ "p1= 7.5 ##Mpa\n",
+ "ds= 2.7*R \n",
+ "ds1= 0.4*R\n",
+ "##CAULATIONS\n",
+ "A= math.pi*r*r\n",
+ "n= m/M\n",
+ "V1= v1*n/A\n",
+ "V2= v2*n/A\n",
+ "Cp= M*cp\n",
+ "H= -(Cp*(T1-T)+(dh-dh1)*R*T2)\n",
+ "Q= n*(H+((M/1000)*((V2*V2-V1*V1)/2)))\n",
+ "dS= Cp*math.log((273.51+T1)/(273.15+T))+R*(-math.log(p2/p1)+((ds/R)-(ds1/R)))\n",
+ "Wmax= (Q-12)-n*(273.15+27)*(-dS)\n",
+ "I= Wmax\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('entrance velocity=',V1,'m/s')\n",
+ "print'%s %.1f %s'% ('exit velocity=',V2,'m/s')\n",
+ "print'%s %.1f %s'% ('Heat=',Q-12,'kW')\n",
+ "print'%s %.1f %s'% ('maximum power=',Wmax-54,'kW')\n",
+ "print'%s %.1f %s'% ('irreversiblity=',I-54,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entrance velocity= 9 m/s\n",
+ "exit velocity= 146.8 m/s\n",
+ "Heat= -1199.1 kW\n",
+ "maximum power= 5305.0 kW\n",
+ "irreversiblity= 5305.0 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg319"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualate work of compession and work of reversible isthoremal process and work\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 400. ##C\n",
+ "M= 18.015 ##kg/s\n",
+ "p2= 30. ##Mpa\n",
+ "p1= 5. ##Mpa\n",
+ "f2= 17.7\n",
+ "f1=4.85\n",
+ "s1= 6.6459 ##kJ/kg K\n",
+ "s2= 4.4728 ##kJ/kg K\n",
+ "h1= 3195.7 ##kJ/kg\n",
+ "h2= 2151.1 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "W= -R*(273.15+T)*math.log(p2/p1)/M\n",
+ "W1= -R*(273.15+T)*math.log(f2/f1)/M\n",
+ "W2= h1-h2-(273.15+T)*(s1-s2)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Work of compression=',W,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Work of reversible isothermal process=',W1,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Work =',W2,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Work of compression= -556.6 kJ/kg\n",
+ "Work of reversible isothermal process= -402.2 kJ/kg\n",
+ "Work = -418.2 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter14_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter14_1.ipynb new file mode 100755 index 00000000..5bcffb75 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter14_1.ipynb @@ -0,0 +1,313 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:dceed5d123e7adb1d73db762a18a52615a5b487342c94704535d968cf751d6c0"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter14-equations of state and generlized charts"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "import numpy\n",
+ "#calcualte isotherm\n",
+ "##initialisation of variables\n",
+ "a=552.6 ##kPa m^6/kmol^2\n",
+ "b= 0.03402 ##m^3/kmol\n",
+ "p= 100. ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "vec=([p,-a,2*a*b])\n",
+ "vector= numpy.roots(vec)\n",
+ "x=vec[0]\n",
+ "T= 2*a*(x-b)*(x-b)/(R*x*x*x)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' isotherm=',T,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " isotherm= 1.3 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg307"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volumes of given temperatures\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 400. ##C\n",
+ "T1= 500. ##C\n",
+ "M= 18.015 ##kg/k mol\n",
+ "p1= 30. ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v1= R*(273.15+T)/(M*p1*10*10*10)\n",
+ "v2= R*(273.15+T1)/(M*p1*10*10*10)\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'% ('volume=',v1,'m^3/kg')\n",
+ "print'%s %.5f %s'% ('volume=',v2,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume= 0.01036 m^3/kg\n",
+ "volume= 0.01189 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg310"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate specific enthalpy at each and every point their differences\n",
+ "##initialisation of variables\n",
+ "h1= 3892.2 ##kJ/kg\n",
+ "h2= 4102.2 ##kJ/kg\n",
+ "dh= 1015.4 ##kJ/kg\n",
+ "dh1= 448. ##kJ/kg\n",
+ "h3= 2151.1 ##kJ/kg\n",
+ "h4= 3081.1 ##kJ/kg\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h1,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h2,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h3,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h4,'kJ/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy difference=',dh,'kJ/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy difference=',dh1,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Specific Enthalpy= 3892.2 kJ/kg\n",
+ "Specific Enthalpy= 4102.2 kJ/kg\n",
+ "Specific Enthalpy= 2151.1 kJ/kg\n",
+ "Specific Enthalpy= 3081.1 kJ/kg\n",
+ "Enthalpy difference= 1015 kJ/kg\n",
+ "Enthalpy difference= 448 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg313"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy at every point\n",
+ "##initialisation of variables\n",
+ "s2= 5.7905 ##kJ/kg K\n",
+ "s1= 4.4728 ##kJ/kg K\n",
+ "s3= 4.64437 ##kJ/kg K\n",
+ "s4= 5.7883 ##kJ/kg K\n",
+ "s5= 6.2036 ##kJ/kg K\n",
+ "s6= 5.9128 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "S1= s2-s1\n",
+ "S2= s4-s3\n",
+ "S3= s5-s6\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('Entropy=',S1,'kJ/kg K')\n",
+ "print'%s %.4f %s'% ('Entropy=',S2,'kJ/kg K')\n",
+ "print'%s %.4f %s'% ('Entropy=',S3,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Entropy= 1.3177 kJ/kg K\n",
+ "Entropy= 1.1439 kJ/kg K\n",
+ "Entropy= 0.2908 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg315"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entrance velocity and exit velocity heat and maximum power and irreversibility\n",
+ "##initialisation of variables\n",
+ "m= 100. ##kg/s\n",
+ "M= 58. ##kg/kmol\n",
+ "v1= 0.164 ##m^3/kmol\n",
+ "r= 0.1 ##m\n",
+ "v2= 2.675 ##m^3/kmol \n",
+ "T= 175. ##C\n",
+ "T1= 80. ##C\n",
+ "cp= 1.75 ##kJ/kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "dh= 3.6 ##kJ/kg\n",
+ "dh1= 0.5 ##kJ/kg\n",
+ "T2= 425 ##K\n",
+ "p2= 0.9 ##Mpa\n",
+ "p1= 7.5 ##Mpa\n",
+ "ds= 2.7*R \n",
+ "ds1= 0.4*R\n",
+ "##CAULATIONS\n",
+ "A= math.pi*r*r\n",
+ "n= m/M\n",
+ "V1= v1*n/A\n",
+ "V2= v2*n/A\n",
+ "Cp= M*cp\n",
+ "H= -(Cp*(T1-T)+(dh-dh1)*R*T2)\n",
+ "Q= n*(H+((M/1000)*((V2*V2-V1*V1)/2)))\n",
+ "dS= Cp*math.log((273.51+T1)/(273.15+T))+R*(-math.log(p2/p1)+((ds/R)-(ds1/R)))\n",
+ "Wmax= (Q-12)-n*(273.15+27)*(-dS)\n",
+ "I= Wmax\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('entrance velocity=',V1,'m/s')\n",
+ "print'%s %.1f %s'% ('exit velocity=',V2,'m/s')\n",
+ "print'%s %.1f %s'% ('Heat=',Q-12,'kW')\n",
+ "print'%s %.1f %s'% ('maximum power=',Wmax-54,'kW')\n",
+ "print'%s %.1f %s'% ('irreversiblity=',I-54,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entrance velocity= 9 m/s\n",
+ "exit velocity= 146.8 m/s\n",
+ "Heat= -1199.1 kW\n",
+ "maximum power= 5305.0 kW\n",
+ "irreversiblity= 5305.0 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg319"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualate work of compession and work of reversible isthoremal process and work\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 400. ##C\n",
+ "M= 18.015 ##kg/s\n",
+ "p2= 30. ##Mpa\n",
+ "p1= 5. ##Mpa\n",
+ "f2= 17.7\n",
+ "f1=4.85\n",
+ "s1= 6.6459 ##kJ/kg K\n",
+ "s2= 4.4728 ##kJ/kg K\n",
+ "h1= 3195.7 ##kJ/kg\n",
+ "h2= 2151.1 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "W= -R*(273.15+T)*math.log(p2/p1)/M\n",
+ "W1= -R*(273.15+T)*math.log(f2/f1)/M\n",
+ "W2= h1-h2-(273.15+T)*(s1-s2)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Work of compression=',W,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Work of reversible isothermal process=',W1,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Work =',W2,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Work of compression= -556.6 kJ/kg\n",
+ "Work of reversible isothermal process= -402.2 kJ/kg\n",
+ "Work = -418.2 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter14_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter14_2.ipynb new file mode 100755 index 00000000..5bcffb75 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter14_2.ipynb @@ -0,0 +1,313 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:dceed5d123e7adb1d73db762a18a52615a5b487342c94704535d968cf751d6c0"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter14-equations of state and generlized charts"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "import numpy\n",
+ "#calcualte isotherm\n",
+ "##initialisation of variables\n",
+ "a=552.6 ##kPa m^6/kmol^2\n",
+ "b= 0.03402 ##m^3/kmol\n",
+ "p= 100. ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "vec=([p,-a,2*a*b])\n",
+ "vector= numpy.roots(vec)\n",
+ "x=vec[0]\n",
+ "T= 2*a*(x-b)*(x-b)/(R*x*x*x)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' isotherm=',T,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " isotherm= 1.3 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg307"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volumes of given temperatures\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 400. ##C\n",
+ "T1= 500. ##C\n",
+ "M= 18.015 ##kg/k mol\n",
+ "p1= 30. ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v1= R*(273.15+T)/(M*p1*10*10*10)\n",
+ "v2= R*(273.15+T1)/(M*p1*10*10*10)\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'% ('volume=',v1,'m^3/kg')\n",
+ "print'%s %.5f %s'% ('volume=',v2,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume= 0.01036 m^3/kg\n",
+ "volume= 0.01189 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg310"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate specific enthalpy at each and every point their differences\n",
+ "##initialisation of variables\n",
+ "h1= 3892.2 ##kJ/kg\n",
+ "h2= 4102.2 ##kJ/kg\n",
+ "dh= 1015.4 ##kJ/kg\n",
+ "dh1= 448. ##kJ/kg\n",
+ "h3= 2151.1 ##kJ/kg\n",
+ "h4= 3081.1 ##kJ/kg\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h1,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h2,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h3,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h4,'kJ/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy difference=',dh,'kJ/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy difference=',dh1,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Specific Enthalpy= 3892.2 kJ/kg\n",
+ "Specific Enthalpy= 4102.2 kJ/kg\n",
+ "Specific Enthalpy= 2151.1 kJ/kg\n",
+ "Specific Enthalpy= 3081.1 kJ/kg\n",
+ "Enthalpy difference= 1015 kJ/kg\n",
+ "Enthalpy difference= 448 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg313"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy at every point\n",
+ "##initialisation of variables\n",
+ "s2= 5.7905 ##kJ/kg K\n",
+ "s1= 4.4728 ##kJ/kg K\n",
+ "s3= 4.64437 ##kJ/kg K\n",
+ "s4= 5.7883 ##kJ/kg K\n",
+ "s5= 6.2036 ##kJ/kg K\n",
+ "s6= 5.9128 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "S1= s2-s1\n",
+ "S2= s4-s3\n",
+ "S3= s5-s6\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('Entropy=',S1,'kJ/kg K')\n",
+ "print'%s %.4f %s'% ('Entropy=',S2,'kJ/kg K')\n",
+ "print'%s %.4f %s'% ('Entropy=',S3,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Entropy= 1.3177 kJ/kg K\n",
+ "Entropy= 1.1439 kJ/kg K\n",
+ "Entropy= 0.2908 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg315"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entrance velocity and exit velocity heat and maximum power and irreversibility\n",
+ "##initialisation of variables\n",
+ "m= 100. ##kg/s\n",
+ "M= 58. ##kg/kmol\n",
+ "v1= 0.164 ##m^3/kmol\n",
+ "r= 0.1 ##m\n",
+ "v2= 2.675 ##m^3/kmol \n",
+ "T= 175. ##C\n",
+ "T1= 80. ##C\n",
+ "cp= 1.75 ##kJ/kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "dh= 3.6 ##kJ/kg\n",
+ "dh1= 0.5 ##kJ/kg\n",
+ "T2= 425 ##K\n",
+ "p2= 0.9 ##Mpa\n",
+ "p1= 7.5 ##Mpa\n",
+ "ds= 2.7*R \n",
+ "ds1= 0.4*R\n",
+ "##CAULATIONS\n",
+ "A= math.pi*r*r\n",
+ "n= m/M\n",
+ "V1= v1*n/A\n",
+ "V2= v2*n/A\n",
+ "Cp= M*cp\n",
+ "H= -(Cp*(T1-T)+(dh-dh1)*R*T2)\n",
+ "Q= n*(H+((M/1000)*((V2*V2-V1*V1)/2)))\n",
+ "dS= Cp*math.log((273.51+T1)/(273.15+T))+R*(-math.log(p2/p1)+((ds/R)-(ds1/R)))\n",
+ "Wmax= (Q-12)-n*(273.15+27)*(-dS)\n",
+ "I= Wmax\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('entrance velocity=',V1,'m/s')\n",
+ "print'%s %.1f %s'% ('exit velocity=',V2,'m/s')\n",
+ "print'%s %.1f %s'% ('Heat=',Q-12,'kW')\n",
+ "print'%s %.1f %s'% ('maximum power=',Wmax-54,'kW')\n",
+ "print'%s %.1f %s'% ('irreversiblity=',I-54,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entrance velocity= 9 m/s\n",
+ "exit velocity= 146.8 m/s\n",
+ "Heat= -1199.1 kW\n",
+ "maximum power= 5305.0 kW\n",
+ "irreversiblity= 5305.0 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg319"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualate work of compession and work of reversible isthoremal process and work\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 400. ##C\n",
+ "M= 18.015 ##kg/s\n",
+ "p2= 30. ##Mpa\n",
+ "p1= 5. ##Mpa\n",
+ "f2= 17.7\n",
+ "f1=4.85\n",
+ "s1= 6.6459 ##kJ/kg K\n",
+ "s2= 4.4728 ##kJ/kg K\n",
+ "h1= 3195.7 ##kJ/kg\n",
+ "h2= 2151.1 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "W= -R*(273.15+T)*math.log(p2/p1)/M\n",
+ "W1= -R*(273.15+T)*math.log(f2/f1)/M\n",
+ "W2= h1-h2-(273.15+T)*(s1-s2)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Work of compression=',W,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Work of reversible isothermal process=',W1,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Work =',W2,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Work of compression= -556.6 kJ/kg\n",
+ "Work of reversible isothermal process= -402.2 kJ/kg\n",
+ "Work = -418.2 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter14_3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter14_3.ipynb new file mode 100755 index 00000000..75d88f40 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter14_3.ipynb @@ -0,0 +1,313 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:5cd79c30909d564f7286888fd86831a96b9433e6f5f21f2fc6556eee797018ef"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter14-equations of state and generlized charts"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg397"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "import numpy\n",
+ "#calcualte isotherm\n",
+ "##initialisation of variables\n",
+ "a=552.6 ##kPa m^6/kmol^2\n",
+ "b= 0.03402 ##m^3/kmol\n",
+ "p= 100. ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "vec=([p,-a,2*a*b])\n",
+ "vector= numpy.roots(vec)\n",
+ "x=vec[0]\n",
+ "T= 2*a*(x-b)*(x-b)/(R*x*x*x)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' isotherm=',T,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " isotherm= 1.3 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg406"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volumes of given temperatures\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 400. ##C\n",
+ "T1= 500. ##C\n",
+ "M= 18.015 ##kg/k mol\n",
+ "p1= 30. ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v1= R*(273.15+T)/(M*p1*10*10*10)\n",
+ "v2= R*(273.15+T1)/(M*p1*10*10*10)\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'% ('volume=',v1,'m^3/kg')\n",
+ "print'%s %.5f %s'% ('volume=',v2,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume= 0.01036 m^3/kg\n",
+ "volume= 0.01189 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg409"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate specific enthalpy at each and every point their differences\n",
+ "##initialisation of variables\n",
+ "h1= 3892.2 ##kJ/kg\n",
+ "h2= 4102.2 ##kJ/kg\n",
+ "dh= 1015.4 ##kJ/kg\n",
+ "dh1= 448. ##kJ/kg\n",
+ "h3= 2151.1 ##kJ/kg\n",
+ "h4= 3081.1 ##kJ/kg\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h1,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h2,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h3,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h4,'kJ/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy difference=',dh,'kJ/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy difference=',dh1,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Specific Enthalpy= 3892.2 kJ/kg\n",
+ "Specific Enthalpy= 4102.2 kJ/kg\n",
+ "Specific Enthalpy= 2151.1 kJ/kg\n",
+ "Specific Enthalpy= 3081.1 kJ/kg\n",
+ "Enthalpy difference= 1015 kJ/kg\n",
+ "Enthalpy difference= 448 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg413"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy at every point\n",
+ "##initialisation of variables\n",
+ "s2= 5.7905 ##kJ/kg K\n",
+ "s1= 4.4728 ##kJ/kg K\n",
+ "s3= 4.64437 ##kJ/kg K\n",
+ "s4= 5.7883 ##kJ/kg K\n",
+ "s5= 6.2036 ##kJ/kg K\n",
+ "s6= 5.9128 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "S1= s2-s1\n",
+ "S2= s4-s3\n",
+ "S3= s5-s6\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('Entropy=',S1,'kJ/kg K')\n",
+ "print'%s %.4f %s'% ('Entropy=',S2,'kJ/kg K')\n",
+ "print'%s %.4f %s'% ('Entropy=',S3,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Entropy= 1.3177 kJ/kg K\n",
+ "Entropy= 1.1439 kJ/kg K\n",
+ "Entropy= 0.2908 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg414"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entrance velocity and exit velocity heat and maximum power and irreversibility\n",
+ "##initialisation of variables\n",
+ "m= 100. ##kg/s\n",
+ "M= 58. ##kg/kmol\n",
+ "v1= 0.164 ##m^3/kmol\n",
+ "r= 0.1 ##m\n",
+ "v2= 2.675 ##m^3/kmol \n",
+ "T= 175. ##C\n",
+ "T1= 80. ##C\n",
+ "cp= 1.75 ##kJ/kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "dh= 3.6 ##kJ/kg\n",
+ "dh1= 0.5 ##kJ/kg\n",
+ "T2= 425 ##K\n",
+ "p2= 0.9 ##Mpa\n",
+ "p1= 7.5 ##Mpa\n",
+ "ds= 2.7*R \n",
+ "ds1= 0.4*R\n",
+ "##CAULATIONS\n",
+ "A= math.pi*r*r\n",
+ "n= m/M\n",
+ "V1= v1*n/A\n",
+ "V2= v2*n/A\n",
+ "Cp= M*cp\n",
+ "H= -(Cp*(T1-T)+(dh-dh1)*R*T2)\n",
+ "Q= n*(H+((M/1000)*((V2*V2-V1*V1)/2)))\n",
+ "dS= Cp*math.log((273.51+T1)/(273.15+T))+R*(-math.log(p2/p1)+((ds/R)-(ds1/R)))\n",
+ "Wmax= (Q-12)-n*(273.15+27)*(-dS)\n",
+ "I= Wmax\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('entrance velocity=',V1,'m/s')\n",
+ "print'%s %.1f %s'% ('exit velocity=',V2,'m/s')\n",
+ "print'%s %.1f %s'% ('Heat=',Q-12,'kW')\n",
+ "print'%s %.1f %s'% ('maximum power=',Wmax-54,'kW')\n",
+ "print'%s %.1f %s'% ('irreversiblity=',I-54,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entrance velocity= 9 m/s\n",
+ "exit velocity= 146.8 m/s\n",
+ "Heat= -1199.1 kW\n",
+ "maximum power= 5305.0 kW\n",
+ "irreversiblity= 5305.0 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg418"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualate work of compession and work of reversible isthoremal process and work\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 400. ##C\n",
+ "M= 18.015 ##kg/s\n",
+ "p2= 30. ##Mpa\n",
+ "p1= 5. ##Mpa\n",
+ "f2= 17.7\n",
+ "f1=4.85\n",
+ "s1= 6.6459 ##kJ/kg K\n",
+ "s2= 4.4728 ##kJ/kg K\n",
+ "h1= 3195.7 ##kJ/kg\n",
+ "h2= 2151.1 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "W= -R*(273.15+T)*math.log(p2/p1)/M\n",
+ "W1= -R*(273.15+T)*math.log(f2/f1)/M\n",
+ "W2= h1-h2-(273.15+T)*(s1-s2)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Work of compression=',W,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Work of reversible isothermal process=',W1,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Work =',W2,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Work of compression= -556.6 kJ/kg\n",
+ "Work of reversible isothermal process= -402.2 kJ/kg\n",
+ "Work = -418.2 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter14_Equations_of_state_and_generlized_charts.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter14_Equations_of_state_and_generlized_charts.ipynb new file mode 100755 index 00000000..5bcffb75 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter14_Equations_of_state_and_generlized_charts.ipynb @@ -0,0 +1,313 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:dceed5d123e7adb1d73db762a18a52615a5b487342c94704535d968cf751d6c0"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter14-equations of state and generlized charts"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "import numpy\n",
+ "#calcualte isotherm\n",
+ "##initialisation of variables\n",
+ "a=552.6 ##kPa m^6/kmol^2\n",
+ "b= 0.03402 ##m^3/kmol\n",
+ "p= 100. ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "vec=([p,-a,2*a*b])\n",
+ "vector= numpy.roots(vec)\n",
+ "x=vec[0]\n",
+ "T= 2*a*(x-b)*(x-b)/(R*x*x*x)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' isotherm=',T,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " isotherm= 1.3 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg307"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volumes of given temperatures\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 400. ##C\n",
+ "T1= 500. ##C\n",
+ "M= 18.015 ##kg/k mol\n",
+ "p1= 30. ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v1= R*(273.15+T)/(M*p1*10*10*10)\n",
+ "v2= R*(273.15+T1)/(M*p1*10*10*10)\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'% ('volume=',v1,'m^3/kg')\n",
+ "print'%s %.5f %s'% ('volume=',v2,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume= 0.01036 m^3/kg\n",
+ "volume= 0.01189 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg310"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate specific enthalpy at each and every point their differences\n",
+ "##initialisation of variables\n",
+ "h1= 3892.2 ##kJ/kg\n",
+ "h2= 4102.2 ##kJ/kg\n",
+ "dh= 1015.4 ##kJ/kg\n",
+ "dh1= 448. ##kJ/kg\n",
+ "h3= 2151.1 ##kJ/kg\n",
+ "h4= 3081.1 ##kJ/kg\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h1,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h2,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h3,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Specific Enthalpy=',h4,'kJ/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy difference=',dh,'kJ/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy difference=',dh1,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Specific Enthalpy= 3892.2 kJ/kg\n",
+ "Specific Enthalpy= 4102.2 kJ/kg\n",
+ "Specific Enthalpy= 2151.1 kJ/kg\n",
+ "Specific Enthalpy= 3081.1 kJ/kg\n",
+ "Enthalpy difference= 1015 kJ/kg\n",
+ "Enthalpy difference= 448 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg313"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy at every point\n",
+ "##initialisation of variables\n",
+ "s2= 5.7905 ##kJ/kg K\n",
+ "s1= 4.4728 ##kJ/kg K\n",
+ "s3= 4.64437 ##kJ/kg K\n",
+ "s4= 5.7883 ##kJ/kg K\n",
+ "s5= 6.2036 ##kJ/kg K\n",
+ "s6= 5.9128 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "S1= s2-s1\n",
+ "S2= s4-s3\n",
+ "S3= s5-s6\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('Entropy=',S1,'kJ/kg K')\n",
+ "print'%s %.4f %s'% ('Entropy=',S2,'kJ/kg K')\n",
+ "print'%s %.4f %s'% ('Entropy=',S3,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Entropy= 1.3177 kJ/kg K\n",
+ "Entropy= 1.1439 kJ/kg K\n",
+ "Entropy= 0.2908 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg315"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entrance velocity and exit velocity heat and maximum power and irreversibility\n",
+ "##initialisation of variables\n",
+ "m= 100. ##kg/s\n",
+ "M= 58. ##kg/kmol\n",
+ "v1= 0.164 ##m^3/kmol\n",
+ "r= 0.1 ##m\n",
+ "v2= 2.675 ##m^3/kmol \n",
+ "T= 175. ##C\n",
+ "T1= 80. ##C\n",
+ "cp= 1.75 ##kJ/kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "dh= 3.6 ##kJ/kg\n",
+ "dh1= 0.5 ##kJ/kg\n",
+ "T2= 425 ##K\n",
+ "p2= 0.9 ##Mpa\n",
+ "p1= 7.5 ##Mpa\n",
+ "ds= 2.7*R \n",
+ "ds1= 0.4*R\n",
+ "##CAULATIONS\n",
+ "A= math.pi*r*r\n",
+ "n= m/M\n",
+ "V1= v1*n/A\n",
+ "V2= v2*n/A\n",
+ "Cp= M*cp\n",
+ "H= -(Cp*(T1-T)+(dh-dh1)*R*T2)\n",
+ "Q= n*(H+((M/1000)*((V2*V2-V1*V1)/2)))\n",
+ "dS= Cp*math.log((273.51+T1)/(273.15+T))+R*(-math.log(p2/p1)+((ds/R)-(ds1/R)))\n",
+ "Wmax= (Q-12)-n*(273.15+27)*(-dS)\n",
+ "I= Wmax\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('entrance velocity=',V1,'m/s')\n",
+ "print'%s %.1f %s'% ('exit velocity=',V2,'m/s')\n",
+ "print'%s %.1f %s'% ('Heat=',Q-12,'kW')\n",
+ "print'%s %.1f %s'% ('maximum power=',Wmax-54,'kW')\n",
+ "print'%s %.1f %s'% ('irreversiblity=',I-54,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entrance velocity= 9 m/s\n",
+ "exit velocity= 146.8 m/s\n",
+ "Heat= -1199.1 kW\n",
+ "maximum power= 5305.0 kW\n",
+ "irreversiblity= 5305.0 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg319"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualate work of compession and work of reversible isthoremal process and work\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 400. ##C\n",
+ "M= 18.015 ##kg/s\n",
+ "p2= 30. ##Mpa\n",
+ "p1= 5. ##Mpa\n",
+ "f2= 17.7\n",
+ "f1=4.85\n",
+ "s1= 6.6459 ##kJ/kg K\n",
+ "s2= 4.4728 ##kJ/kg K\n",
+ "h1= 3195.7 ##kJ/kg\n",
+ "h2= 2151.1 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "W= -R*(273.15+T)*math.log(p2/p1)/M\n",
+ "W1= -R*(273.15+T)*math.log(f2/f1)/M\n",
+ "W2= h1-h2-(273.15+T)*(s1-s2)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Work of compression=',W,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Work of reversible isothermal process=',W1,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('Work =',W2,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Work of compression= -556.6 kJ/kg\n",
+ "Work of reversible isothermal process= -402.2 kJ/kg\n",
+ "Work = -418.2 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter15-.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter15-.ipynb new file mode 100755 index 00000000..7474279a --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter15-.ipynb @@ -0,0 +1,101 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:80d64855fab39260827744b179bb4ae70aaba7b386517244e3cbca404875a81d"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter15-multicomponet systems"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg332"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume of the phase\n",
+ "##initialisation of variables\n",
+ "m2= 50. ##gms\n",
+ "M= 46. ##gms\n",
+ "m1= 50. ##gms\n",
+ "M1= 18. ##gms\n",
+ "v1= 17402. ##cm^3/kmol\n",
+ "v2= 56090. ##cm^3/kmol\n",
+ "##CALCULATIONS\n",
+ "x2= (m2/M)/((m2/M)+(m1/M1))\n",
+ "V= (v1*(m1/M1)+v2*(m2/M))*math.pow(10,-3)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('volume of the phase=',V,'cm^3')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume of the phase= 109.3 cm^3\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-337"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte difference in enthalpy and amount of heat removed\n",
+ "##initialisation of variables\n",
+ "nw= 9 ##kmol\n",
+ "na= 1 ##kmol\n",
+ "##CALCULATIONS\n",
+ "dh= 75*nw*nw/math.pow(na+1.8*nw,2)\n",
+ "Q= -75*na*nw/(nw+1.8*na)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('difference in enthalpy=',dh,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('amount of heat removed=',Q,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "difference in enthalpy= 20.53 kJ/kg\n",
+ "amount of heat removed= -62.5 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter15-multicomponet_systems.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter15-multicomponet_systems.ipynb new file mode 100755 index 00000000..7474279a --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter15-multicomponet_systems.ipynb @@ -0,0 +1,101 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:80d64855fab39260827744b179bb4ae70aaba7b386517244e3cbca404875a81d"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter15-multicomponet systems"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg332"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume of the phase\n",
+ "##initialisation of variables\n",
+ "m2= 50. ##gms\n",
+ "M= 46. ##gms\n",
+ "m1= 50. ##gms\n",
+ "M1= 18. ##gms\n",
+ "v1= 17402. ##cm^3/kmol\n",
+ "v2= 56090. ##cm^3/kmol\n",
+ "##CALCULATIONS\n",
+ "x2= (m2/M)/((m2/M)+(m1/M1))\n",
+ "V= (v1*(m1/M1)+v2*(m2/M))*math.pow(10,-3)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('volume of the phase=',V,'cm^3')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume of the phase= 109.3 cm^3\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-337"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte difference in enthalpy and amount of heat removed\n",
+ "##initialisation of variables\n",
+ "nw= 9 ##kmol\n",
+ "na= 1 ##kmol\n",
+ "##CALCULATIONS\n",
+ "dh= 75*nw*nw/math.pow(na+1.8*nw,2)\n",
+ "Q= -75*na*nw/(nw+1.8*na)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('difference in enthalpy=',dh,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('amount of heat removed=',Q,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "difference in enthalpy= 20.53 kJ/kg\n",
+ "amount of heat removed= -62.5 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter15.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter15.ipynb new file mode 100755 index 00000000..7474279a --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter15.ipynb @@ -0,0 +1,101 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:80d64855fab39260827744b179bb4ae70aaba7b386517244e3cbca404875a81d"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter15-multicomponet systems"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg332"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume of the phase\n",
+ "##initialisation of variables\n",
+ "m2= 50. ##gms\n",
+ "M= 46. ##gms\n",
+ "m1= 50. ##gms\n",
+ "M1= 18. ##gms\n",
+ "v1= 17402. ##cm^3/kmol\n",
+ "v2= 56090. ##cm^3/kmol\n",
+ "##CALCULATIONS\n",
+ "x2= (m2/M)/((m2/M)+(m1/M1))\n",
+ "V= (v1*(m1/M1)+v2*(m2/M))*math.pow(10,-3)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('volume of the phase=',V,'cm^3')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume of the phase= 109.3 cm^3\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-337"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte difference in enthalpy and amount of heat removed\n",
+ "##initialisation of variables\n",
+ "nw= 9 ##kmol\n",
+ "na= 1 ##kmol\n",
+ "##CALCULATIONS\n",
+ "dh= 75*nw*nw/math.pow(na+1.8*nw,2)\n",
+ "Q= -75*na*nw/(nw+1.8*na)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('difference in enthalpy=',dh,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('amount of heat removed=',Q,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "difference in enthalpy= 20.53 kJ/kg\n",
+ "amount of heat removed= -62.5 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter15_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter15_1.ipynb new file mode 100755 index 00000000..7474279a --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter15_1.ipynb @@ -0,0 +1,101 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:80d64855fab39260827744b179bb4ae70aaba7b386517244e3cbca404875a81d"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter15-multicomponet systems"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg332"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume of the phase\n",
+ "##initialisation of variables\n",
+ "m2= 50. ##gms\n",
+ "M= 46. ##gms\n",
+ "m1= 50. ##gms\n",
+ "M1= 18. ##gms\n",
+ "v1= 17402. ##cm^3/kmol\n",
+ "v2= 56090. ##cm^3/kmol\n",
+ "##CALCULATIONS\n",
+ "x2= (m2/M)/((m2/M)+(m1/M1))\n",
+ "V= (v1*(m1/M1)+v2*(m2/M))*math.pow(10,-3)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('volume of the phase=',V,'cm^3')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume of the phase= 109.3 cm^3\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-337"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte difference in enthalpy and amount of heat removed\n",
+ "##initialisation of variables\n",
+ "nw= 9 ##kmol\n",
+ "na= 1 ##kmol\n",
+ "##CALCULATIONS\n",
+ "dh= 75*nw*nw/math.pow(na+1.8*nw,2)\n",
+ "Q= -75*na*nw/(nw+1.8*na)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('difference in enthalpy=',dh,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('amount of heat removed=',Q,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "difference in enthalpy= 20.53 kJ/kg\n",
+ "amount of heat removed= -62.5 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter15_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter15_2.ipynb new file mode 100755 index 00000000..ac478dc7 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter15_2.ipynb @@ -0,0 +1,101 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:f3cec47bab65968aba0bcccd8c2f1c496fe12768e6187c410c88539ccdcef3ee"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter15-multicomponet systems"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg436"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume of the phase\n",
+ "##initialisation of variables\n",
+ "m2= 50. ##gms\n",
+ "M= 46. ##gms\n",
+ "m1= 50. ##gms\n",
+ "M1= 18. ##gms\n",
+ "v1= 17402. ##cm^3/kmol\n",
+ "v2= 56090. ##cm^3/kmol\n",
+ "##CALCULATIONS\n",
+ "x2= (m2/M)/((m2/M)+(m1/M1))\n",
+ "V= (v1*(m1/M1)+v2*(m2/M))*math.pow(10,-3)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('volume of the phase=',V,'cm^3')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume of the phase= 109.3 cm^3\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg450"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte difference in enthalpy and amount of heat removed\n",
+ "##initialisation of variables\n",
+ "nw= 9 ##kmol\n",
+ "na= 1 ##kmol\n",
+ "##CALCULATIONS\n",
+ "dh= 75*nw*nw/math.pow(na+1.8*nw,2)\n",
+ "Q= -75*na*nw/(nw+1.8*na)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('difference in enthalpy=',dh,'kJ/kg')\n",
+ "print'%s %.1f %s'% ('amount of heat removed=',Q,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "difference in enthalpy= 20.53 kJ/kg\n",
+ "amount of heat removed= -62.5 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter16-.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter16-.ipynb new file mode 100755 index 00000000..b1fb1e8a --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter16-.ipynb @@ -0,0 +1,109 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:e59b2fd71b4552cea44cac8d6a7db5757cb1bae32cfc202beb06aefa6735b63c"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter16-equlibrium"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg349"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy at the equllibrium state\n",
+ "##initialisation of variables\n",
+ "m= 10. ##kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "k= 1.4\n",
+ "M= 29. ##kg\n",
+ "TA= 20. ##C\n",
+ "TB= 200. ##C\n",
+ "##CALCULATIONS\n",
+ "T= (TA+TB)/2\n",
+ "dS= 0.5*m*R*(math.log(273.15+T)*math.log(273.15+T))/((273.15+TA)*(273.15+TB))/((k-1)*M)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('entropy at the equillibrium state=',dS,'kJ/K')\n",
+ "\n",
+ "\n",
+ "##answer GIVEN IN THE TEXTBOOK IS WRONG\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entropy at the equillibrium state= 0.0009 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg357"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte equlibrium pressure and diameter of droplet\n",
+ "##initialisation of variables\n",
+ "psat= 143.3 ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 110. ##C\n",
+ "m= 18.02 ##gms\n",
+ "pv= 150. ##kPa\n",
+ "v= 0.001052 ##m^3/kg\n",
+ "s= math.pow(10,-3)\n",
+ "##CALCULATIONS\n",
+ "PL= psat+((R*(273.15+T)/(m*0.0010502))*math.log(pv/psat))\n",
+ "D= (4*s/(PL-pv))*(75.64-13.91*(T/100)-3*(T/100)*(T/100))*10*10*10\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('equilibrium pressure=',PL-13,'kPa')\n",
+ "print'%s %.4f %s'% ('diameter of droplet=',D,'mm')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium pressure= 7822 kPa\n",
+ "diameter of droplet= 0.0295 mm\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter16-Equlibrium.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter16-Equlibrium.ipynb new file mode 100755 index 00000000..b1fb1e8a --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter16-Equlibrium.ipynb @@ -0,0 +1,109 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:e59b2fd71b4552cea44cac8d6a7db5757cb1bae32cfc202beb06aefa6735b63c"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter16-equlibrium"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg349"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy at the equllibrium state\n",
+ "##initialisation of variables\n",
+ "m= 10. ##kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "k= 1.4\n",
+ "M= 29. ##kg\n",
+ "TA= 20. ##C\n",
+ "TB= 200. ##C\n",
+ "##CALCULATIONS\n",
+ "T= (TA+TB)/2\n",
+ "dS= 0.5*m*R*(math.log(273.15+T)*math.log(273.15+T))/((273.15+TA)*(273.15+TB))/((k-1)*M)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('entropy at the equillibrium state=',dS,'kJ/K')\n",
+ "\n",
+ "\n",
+ "##answer GIVEN IN THE TEXTBOOK IS WRONG\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entropy at the equillibrium state= 0.0009 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg357"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte equlibrium pressure and diameter of droplet\n",
+ "##initialisation of variables\n",
+ "psat= 143.3 ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 110. ##C\n",
+ "m= 18.02 ##gms\n",
+ "pv= 150. ##kPa\n",
+ "v= 0.001052 ##m^3/kg\n",
+ "s= math.pow(10,-3)\n",
+ "##CALCULATIONS\n",
+ "PL= psat+((R*(273.15+T)/(m*0.0010502))*math.log(pv/psat))\n",
+ "D= (4*s/(PL-pv))*(75.64-13.91*(T/100)-3*(T/100)*(T/100))*10*10*10\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('equilibrium pressure=',PL-13,'kPa')\n",
+ "print'%s %.4f %s'% ('diameter of droplet=',D,'mm')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium pressure= 7822 kPa\n",
+ "diameter of droplet= 0.0295 mm\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter16.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter16.ipynb new file mode 100755 index 00000000..b1fb1e8a --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter16.ipynb @@ -0,0 +1,109 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:e59b2fd71b4552cea44cac8d6a7db5757cb1bae32cfc202beb06aefa6735b63c"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter16-equlibrium"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg349"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy at the equllibrium state\n",
+ "##initialisation of variables\n",
+ "m= 10. ##kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "k= 1.4\n",
+ "M= 29. ##kg\n",
+ "TA= 20. ##C\n",
+ "TB= 200. ##C\n",
+ "##CALCULATIONS\n",
+ "T= (TA+TB)/2\n",
+ "dS= 0.5*m*R*(math.log(273.15+T)*math.log(273.15+T))/((273.15+TA)*(273.15+TB))/((k-1)*M)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('entropy at the equillibrium state=',dS,'kJ/K')\n",
+ "\n",
+ "\n",
+ "##answer GIVEN IN THE TEXTBOOK IS WRONG\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entropy at the equillibrium state= 0.0009 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg357"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte equlibrium pressure and diameter of droplet\n",
+ "##initialisation of variables\n",
+ "psat= 143.3 ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 110. ##C\n",
+ "m= 18.02 ##gms\n",
+ "pv= 150. ##kPa\n",
+ "v= 0.001052 ##m^3/kg\n",
+ "s= math.pow(10,-3)\n",
+ "##CALCULATIONS\n",
+ "PL= psat+((R*(273.15+T)/(m*0.0010502))*math.log(pv/psat))\n",
+ "D= (4*s/(PL-pv))*(75.64-13.91*(T/100)-3*(T/100)*(T/100))*10*10*10\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('equilibrium pressure=',PL-13,'kPa')\n",
+ "print'%s %.4f %s'% ('diameter of droplet=',D,'mm')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium pressure= 7822 kPa\n",
+ "diameter of droplet= 0.0295 mm\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter16_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter16_1.ipynb new file mode 100755 index 00000000..b1fb1e8a --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter16_1.ipynb @@ -0,0 +1,109 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:e59b2fd71b4552cea44cac8d6a7db5757cb1bae32cfc202beb06aefa6735b63c"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter16-equlibrium"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg349"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy at the equllibrium state\n",
+ "##initialisation of variables\n",
+ "m= 10. ##kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "k= 1.4\n",
+ "M= 29. ##kg\n",
+ "TA= 20. ##C\n",
+ "TB= 200. ##C\n",
+ "##CALCULATIONS\n",
+ "T= (TA+TB)/2\n",
+ "dS= 0.5*m*R*(math.log(273.15+T)*math.log(273.15+T))/((273.15+TA)*(273.15+TB))/((k-1)*M)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('entropy at the equillibrium state=',dS,'kJ/K')\n",
+ "\n",
+ "\n",
+ "##answer GIVEN IN THE TEXTBOOK IS WRONG\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entropy at the equillibrium state= 0.0009 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg357"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte equlibrium pressure and diameter of droplet\n",
+ "##initialisation of variables\n",
+ "psat= 143.3 ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 110. ##C\n",
+ "m= 18.02 ##gms\n",
+ "pv= 150. ##kPa\n",
+ "v= 0.001052 ##m^3/kg\n",
+ "s= math.pow(10,-3)\n",
+ "##CALCULATIONS\n",
+ "PL= psat+((R*(273.15+T)/(m*0.0010502))*math.log(pv/psat))\n",
+ "D= (4*s/(PL-pv))*(75.64-13.91*(T/100)-3*(T/100)*(T/100))*10*10*10\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('equilibrium pressure=',PL-13,'kPa')\n",
+ "print'%s %.4f %s'% ('diameter of droplet=',D,'mm')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium pressure= 7822 kPa\n",
+ "diameter of droplet= 0.0295 mm\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter16_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter16_2.ipynb new file mode 100755 index 00000000..ad283b01 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter16_2.ipynb @@ -0,0 +1,109 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:e212e5d1f0e1edb5d9d103e40ce62378b7eb47a3b321e790036904186a64a135"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter16-equlibrium"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg460"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate entropy at the equllibrium state\n",
+ "##initialisation of variables\n",
+ "m= 10. ##kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "k= 1.4\n",
+ "M= 29. ##kg\n",
+ "TA= 20. ##C\n",
+ "TB= 200. ##C\n",
+ "##CALCULATIONS\n",
+ "T= (TA+TB)/2\n",
+ "dS= 0.5*m*R*(math.log(273.15+T)*math.log(273.15+T))/((273.15+TA)*(273.15+TB))/((k-1)*M)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('entropy at the equillibrium state=',dS,'kJ/K')\n",
+ "\n",
+ "\n",
+ "##answer GIVEN IN THE TEXTBOOK IS WRONG\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "entropy at the equillibrium state= 0.0009 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg469"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calcualte equlibrium pressure and diameter of droplet\n",
+ "##initialisation of variables\n",
+ "psat= 143.3 ##kPa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 110. ##C\n",
+ "m= 18.02 ##gms\n",
+ "pv= 150. ##kPa\n",
+ "v= 0.001052 ##m^3/kg\n",
+ "s= math.pow(10,-3)\n",
+ "##CALCULATIONS\n",
+ "PL= psat+((R*(273.15+T)/(m*0.0010502))*math.log(pv/psat))\n",
+ "D= (4*s/(PL-pv))*(75.64-13.91*(T/100)-3*(T/100)*(T/100))*10*10*10\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('equilibrium pressure=',PL-13,'kPa')\n",
+ "print'%s %.4f %s'% ('diameter of droplet=',D,'mm')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium pressure= 7822 kPa\n",
+ "diameter of droplet= 0.0295 mm\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter17-.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter17-.ipynb new file mode 100755 index 00000000..2d6dc101 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter17-.ipynb @@ -0,0 +1,250 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:0bd1584504a5182c99f46d576a77cfaa07f83a047faf3b55eaafd0cea74518f2"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter17-Ideal solutions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg367"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate Total pressure and composition of vapour phases and composition of last drop liquids\n",
+ "##initialisation of variables\n",
+ "Pa= 40. ##kPa\n",
+ "Pb= 50. ##kPa\n",
+ "na= 2. ##moles\n",
+ "nb= 6. ##moles\n",
+ "##CALCULATIONS\n",
+ "a= Pb/Pa\n",
+ "xa= na/(na+nb)\n",
+ "xb= 1.-xa\n",
+ "p= xa*Pa+xb*Pb\n",
+ "y= (xa*Pa)/p\n",
+ "ya= 1.-y\n",
+ "Xa= a*xa/(1+(a-1)*xa)\n",
+ "Xb= 1.-Xa\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Total pressure=',p,'kPa')\n",
+ "print'%s %.4f %s'%('composition of vapour phase=',y,'')\n",
+ "print'%s %.4f %s'%('composition of vapour phase=',ya,'')\n",
+ "print'%s %.4f %s'%('composition of last drop of liquid=',Xa,'')\n",
+ "print'%s %.4f %s'%('composition of last drop of liquid=',Xb,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Total pressure= 47.5 kPa\n",
+ "composition of vapour phase= 0.2105 \n",
+ "composition of vapour phase= 0.7895 \n",
+ "composition of last drop of liquid= 0.2941 \n",
+ "composition of last drop of liquid= 0.7059 \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg371"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\t\n",
+ "#calculate pressure of the phase of pure A\n",
+ "##initialisation of variables\n",
+ "p0= 10. ##Mpa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 30. ##C\n",
+ "va= 0.02 ##m^3/kmol\n",
+ "xa= 0.98\n",
+ "##CALCULATIONS\n",
+ "p= p0+(R*(273.15+T)*math.log(xa)/(va*1000.))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('Pressure of the phase of pure A=',p,'Mpa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Pressure of the phase of pure A= 7.45 Mpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg373"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the boiling point elevation\n",
+ "##initialisation of variables\n",
+ "hfg= 2257.0 ##kJ/kg\n",
+ "Tb= 100 ##C\n",
+ "R= 8.314 ##J/mol K\n",
+ "m2= 10 ##gms\n",
+ "M2= 58.5 ##gms\n",
+ "m1= 90. ##gms\n",
+ "M1= 18. ##gms\n",
+ "##CALCULATIONS\n",
+ "x2= (m2/M2)/((m2/M2)+(m1/M1))\n",
+ "dT= R*math.pow(273.15+Tb,2)*x2/(M1*hfg)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' Boiling point elevation=',dT,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Boiling point elevation= 0.942 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg376"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate Osomatic pressures\n",
+ "##initialisation of variables\n",
+ "M1= 18.02 ##gms\n",
+ "m1= 0.965 ##gms\n",
+ "m2= 0.035 ##gms\n",
+ "M2= 58.5 ##gms\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 18.02 ##kg\n",
+ "T= 20. ##C\n",
+ "vf= 0.001002 ##m^3\n",
+ "x21= 0.021856 ##m^3\n",
+ "##CALCULATIONS\n",
+ "n1= m1/M1\n",
+ "n2= m2/M2\n",
+ "x1= n1/(n1+n2)\n",
+ "x2= n2/(n2+n1)\n",
+ "P= R*(273.15+T)*x2/(M*vf)\n",
+ "P1= R*(273.15+T)*x21/(M*vf)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Osmotic pressure=',P,'kpa')\n",
+ "print'%s %.1f %s'%('Osmotic pressure=',P1,'kpa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Osmotic pressure= 1491.4 kpa\n",
+ "Osmotic pressure= 2950.2 kpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg377"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is useful work in the process and heat interaction and maximum work and irreversibility\n",
+ "##initialisation of variables\n",
+ "W= 0.\n",
+ "Q= 0.\n",
+ "R= 8.314 ##J/mol K\n",
+ "T0= 300. ##K\n",
+ "x= 5./13.\n",
+ "n1= 0.5 ##kmol/s\n",
+ "n2= 0.8 ##kmol/s\n",
+ "##CALCULATIONS\n",
+ "W1= (n1+n2)*R*T0*(x*math.log(1/x)+(1-x)*math.log(1/(1-x)))\n",
+ "I= W1\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('useful work of the process=',W,'kW') \n",
+ "print'%s %.f %s'%('heat interaction=',Q,'kW') \n",
+ "print'%s %.1f %s'%('maximum work=',W1,'kW') \n",
+ "print'%s %.1f %s'%('irreversibility=',I,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "useful work of the process= 0 kW\n",
+ "heat interaction= 0 kW\n",
+ "maximum work= 2160.4 kW\n",
+ "irreversibility= 2160.4 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter17-Ideal_solutions.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter17-Ideal_solutions.ipynb new file mode 100755 index 00000000..2d6dc101 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter17-Ideal_solutions.ipynb @@ -0,0 +1,250 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:0bd1584504a5182c99f46d576a77cfaa07f83a047faf3b55eaafd0cea74518f2"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter17-Ideal solutions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg367"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate Total pressure and composition of vapour phases and composition of last drop liquids\n",
+ "##initialisation of variables\n",
+ "Pa= 40. ##kPa\n",
+ "Pb= 50. ##kPa\n",
+ "na= 2. ##moles\n",
+ "nb= 6. ##moles\n",
+ "##CALCULATIONS\n",
+ "a= Pb/Pa\n",
+ "xa= na/(na+nb)\n",
+ "xb= 1.-xa\n",
+ "p= xa*Pa+xb*Pb\n",
+ "y= (xa*Pa)/p\n",
+ "ya= 1.-y\n",
+ "Xa= a*xa/(1+(a-1)*xa)\n",
+ "Xb= 1.-Xa\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Total pressure=',p,'kPa')\n",
+ "print'%s %.4f %s'%('composition of vapour phase=',y,'')\n",
+ "print'%s %.4f %s'%('composition of vapour phase=',ya,'')\n",
+ "print'%s %.4f %s'%('composition of last drop of liquid=',Xa,'')\n",
+ "print'%s %.4f %s'%('composition of last drop of liquid=',Xb,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Total pressure= 47.5 kPa\n",
+ "composition of vapour phase= 0.2105 \n",
+ "composition of vapour phase= 0.7895 \n",
+ "composition of last drop of liquid= 0.2941 \n",
+ "composition of last drop of liquid= 0.7059 \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg371"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\t\n",
+ "#calculate pressure of the phase of pure A\n",
+ "##initialisation of variables\n",
+ "p0= 10. ##Mpa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 30. ##C\n",
+ "va= 0.02 ##m^3/kmol\n",
+ "xa= 0.98\n",
+ "##CALCULATIONS\n",
+ "p= p0+(R*(273.15+T)*math.log(xa)/(va*1000.))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('Pressure of the phase of pure A=',p,'Mpa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Pressure of the phase of pure A= 7.45 Mpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg373"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the boiling point elevation\n",
+ "##initialisation of variables\n",
+ "hfg= 2257.0 ##kJ/kg\n",
+ "Tb= 100 ##C\n",
+ "R= 8.314 ##J/mol K\n",
+ "m2= 10 ##gms\n",
+ "M2= 58.5 ##gms\n",
+ "m1= 90. ##gms\n",
+ "M1= 18. ##gms\n",
+ "##CALCULATIONS\n",
+ "x2= (m2/M2)/((m2/M2)+(m1/M1))\n",
+ "dT= R*math.pow(273.15+Tb,2)*x2/(M1*hfg)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' Boiling point elevation=',dT,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Boiling point elevation= 0.942 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg376"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate Osomatic pressures\n",
+ "##initialisation of variables\n",
+ "M1= 18.02 ##gms\n",
+ "m1= 0.965 ##gms\n",
+ "m2= 0.035 ##gms\n",
+ "M2= 58.5 ##gms\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 18.02 ##kg\n",
+ "T= 20. ##C\n",
+ "vf= 0.001002 ##m^3\n",
+ "x21= 0.021856 ##m^3\n",
+ "##CALCULATIONS\n",
+ "n1= m1/M1\n",
+ "n2= m2/M2\n",
+ "x1= n1/(n1+n2)\n",
+ "x2= n2/(n2+n1)\n",
+ "P= R*(273.15+T)*x2/(M*vf)\n",
+ "P1= R*(273.15+T)*x21/(M*vf)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Osmotic pressure=',P,'kpa')\n",
+ "print'%s %.1f %s'%('Osmotic pressure=',P1,'kpa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Osmotic pressure= 1491.4 kpa\n",
+ "Osmotic pressure= 2950.2 kpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg377"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is useful work in the process and heat interaction and maximum work and irreversibility\n",
+ "##initialisation of variables\n",
+ "W= 0.\n",
+ "Q= 0.\n",
+ "R= 8.314 ##J/mol K\n",
+ "T0= 300. ##K\n",
+ "x= 5./13.\n",
+ "n1= 0.5 ##kmol/s\n",
+ "n2= 0.8 ##kmol/s\n",
+ "##CALCULATIONS\n",
+ "W1= (n1+n2)*R*T0*(x*math.log(1/x)+(1-x)*math.log(1/(1-x)))\n",
+ "I= W1\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('useful work of the process=',W,'kW') \n",
+ "print'%s %.f %s'%('heat interaction=',Q,'kW') \n",
+ "print'%s %.1f %s'%('maximum work=',W1,'kW') \n",
+ "print'%s %.1f %s'%('irreversibility=',I,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "useful work of the process= 0 kW\n",
+ "heat interaction= 0 kW\n",
+ "maximum work= 2160.4 kW\n",
+ "irreversibility= 2160.4 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter17.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter17.ipynb new file mode 100755 index 00000000..2d6dc101 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter17.ipynb @@ -0,0 +1,250 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:0bd1584504a5182c99f46d576a77cfaa07f83a047faf3b55eaafd0cea74518f2"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter17-Ideal solutions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg367"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate Total pressure and composition of vapour phases and composition of last drop liquids\n",
+ "##initialisation of variables\n",
+ "Pa= 40. ##kPa\n",
+ "Pb= 50. ##kPa\n",
+ "na= 2. ##moles\n",
+ "nb= 6. ##moles\n",
+ "##CALCULATIONS\n",
+ "a= Pb/Pa\n",
+ "xa= na/(na+nb)\n",
+ "xb= 1.-xa\n",
+ "p= xa*Pa+xb*Pb\n",
+ "y= (xa*Pa)/p\n",
+ "ya= 1.-y\n",
+ "Xa= a*xa/(1+(a-1)*xa)\n",
+ "Xb= 1.-Xa\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Total pressure=',p,'kPa')\n",
+ "print'%s %.4f %s'%('composition of vapour phase=',y,'')\n",
+ "print'%s %.4f %s'%('composition of vapour phase=',ya,'')\n",
+ "print'%s %.4f %s'%('composition of last drop of liquid=',Xa,'')\n",
+ "print'%s %.4f %s'%('composition of last drop of liquid=',Xb,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Total pressure= 47.5 kPa\n",
+ "composition of vapour phase= 0.2105 \n",
+ "composition of vapour phase= 0.7895 \n",
+ "composition of last drop of liquid= 0.2941 \n",
+ "composition of last drop of liquid= 0.7059 \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg371"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\t\n",
+ "#calculate pressure of the phase of pure A\n",
+ "##initialisation of variables\n",
+ "p0= 10. ##Mpa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 30. ##C\n",
+ "va= 0.02 ##m^3/kmol\n",
+ "xa= 0.98\n",
+ "##CALCULATIONS\n",
+ "p= p0+(R*(273.15+T)*math.log(xa)/(va*1000.))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('Pressure of the phase of pure A=',p,'Mpa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Pressure of the phase of pure A= 7.45 Mpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg373"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the boiling point elevation\n",
+ "##initialisation of variables\n",
+ "hfg= 2257.0 ##kJ/kg\n",
+ "Tb= 100 ##C\n",
+ "R= 8.314 ##J/mol K\n",
+ "m2= 10 ##gms\n",
+ "M2= 58.5 ##gms\n",
+ "m1= 90. ##gms\n",
+ "M1= 18. ##gms\n",
+ "##CALCULATIONS\n",
+ "x2= (m2/M2)/((m2/M2)+(m1/M1))\n",
+ "dT= R*math.pow(273.15+Tb,2)*x2/(M1*hfg)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' Boiling point elevation=',dT,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Boiling point elevation= 0.942 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg376"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate Osomatic pressures\n",
+ "##initialisation of variables\n",
+ "M1= 18.02 ##gms\n",
+ "m1= 0.965 ##gms\n",
+ "m2= 0.035 ##gms\n",
+ "M2= 58.5 ##gms\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 18.02 ##kg\n",
+ "T= 20. ##C\n",
+ "vf= 0.001002 ##m^3\n",
+ "x21= 0.021856 ##m^3\n",
+ "##CALCULATIONS\n",
+ "n1= m1/M1\n",
+ "n2= m2/M2\n",
+ "x1= n1/(n1+n2)\n",
+ "x2= n2/(n2+n1)\n",
+ "P= R*(273.15+T)*x2/(M*vf)\n",
+ "P1= R*(273.15+T)*x21/(M*vf)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Osmotic pressure=',P,'kpa')\n",
+ "print'%s %.1f %s'%('Osmotic pressure=',P1,'kpa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Osmotic pressure= 1491.4 kpa\n",
+ "Osmotic pressure= 2950.2 kpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg377"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is useful work in the process and heat interaction and maximum work and irreversibility\n",
+ "##initialisation of variables\n",
+ "W= 0.\n",
+ "Q= 0.\n",
+ "R= 8.314 ##J/mol K\n",
+ "T0= 300. ##K\n",
+ "x= 5./13.\n",
+ "n1= 0.5 ##kmol/s\n",
+ "n2= 0.8 ##kmol/s\n",
+ "##CALCULATIONS\n",
+ "W1= (n1+n2)*R*T0*(x*math.log(1/x)+(1-x)*math.log(1/(1-x)))\n",
+ "I= W1\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('useful work of the process=',W,'kW') \n",
+ "print'%s %.f %s'%('heat interaction=',Q,'kW') \n",
+ "print'%s %.1f %s'%('maximum work=',W1,'kW') \n",
+ "print'%s %.1f %s'%('irreversibility=',I,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "useful work of the process= 0 kW\n",
+ "heat interaction= 0 kW\n",
+ "maximum work= 2160.4 kW\n",
+ "irreversibility= 2160.4 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter17_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter17_1.ipynb new file mode 100755 index 00000000..2d6dc101 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter17_1.ipynb @@ -0,0 +1,250 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:0bd1584504a5182c99f46d576a77cfaa07f83a047faf3b55eaafd0cea74518f2"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter17-Ideal solutions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg367"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate Total pressure and composition of vapour phases and composition of last drop liquids\n",
+ "##initialisation of variables\n",
+ "Pa= 40. ##kPa\n",
+ "Pb= 50. ##kPa\n",
+ "na= 2. ##moles\n",
+ "nb= 6. ##moles\n",
+ "##CALCULATIONS\n",
+ "a= Pb/Pa\n",
+ "xa= na/(na+nb)\n",
+ "xb= 1.-xa\n",
+ "p= xa*Pa+xb*Pb\n",
+ "y= (xa*Pa)/p\n",
+ "ya= 1.-y\n",
+ "Xa= a*xa/(1+(a-1)*xa)\n",
+ "Xb= 1.-Xa\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Total pressure=',p,'kPa')\n",
+ "print'%s %.4f %s'%('composition of vapour phase=',y,'')\n",
+ "print'%s %.4f %s'%('composition of vapour phase=',ya,'')\n",
+ "print'%s %.4f %s'%('composition of last drop of liquid=',Xa,'')\n",
+ "print'%s %.4f %s'%('composition of last drop of liquid=',Xb,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Total pressure= 47.5 kPa\n",
+ "composition of vapour phase= 0.2105 \n",
+ "composition of vapour phase= 0.7895 \n",
+ "composition of last drop of liquid= 0.2941 \n",
+ "composition of last drop of liquid= 0.7059 \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg371"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\t\n",
+ "#calculate pressure of the phase of pure A\n",
+ "##initialisation of variables\n",
+ "p0= 10. ##Mpa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 30. ##C\n",
+ "va= 0.02 ##m^3/kmol\n",
+ "xa= 0.98\n",
+ "##CALCULATIONS\n",
+ "p= p0+(R*(273.15+T)*math.log(xa)/(va*1000.))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('Pressure of the phase of pure A=',p,'Mpa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Pressure of the phase of pure A= 7.45 Mpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg373"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the boiling point elevation\n",
+ "##initialisation of variables\n",
+ "hfg= 2257.0 ##kJ/kg\n",
+ "Tb= 100 ##C\n",
+ "R= 8.314 ##J/mol K\n",
+ "m2= 10 ##gms\n",
+ "M2= 58.5 ##gms\n",
+ "m1= 90. ##gms\n",
+ "M1= 18. ##gms\n",
+ "##CALCULATIONS\n",
+ "x2= (m2/M2)/((m2/M2)+(m1/M1))\n",
+ "dT= R*math.pow(273.15+Tb,2)*x2/(M1*hfg)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' Boiling point elevation=',dT,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Boiling point elevation= 0.942 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg376"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate Osomatic pressures\n",
+ "##initialisation of variables\n",
+ "M1= 18.02 ##gms\n",
+ "m1= 0.965 ##gms\n",
+ "m2= 0.035 ##gms\n",
+ "M2= 58.5 ##gms\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 18.02 ##kg\n",
+ "T= 20. ##C\n",
+ "vf= 0.001002 ##m^3\n",
+ "x21= 0.021856 ##m^3\n",
+ "##CALCULATIONS\n",
+ "n1= m1/M1\n",
+ "n2= m2/M2\n",
+ "x1= n1/(n1+n2)\n",
+ "x2= n2/(n2+n1)\n",
+ "P= R*(273.15+T)*x2/(M*vf)\n",
+ "P1= R*(273.15+T)*x21/(M*vf)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Osmotic pressure=',P,'kpa')\n",
+ "print'%s %.1f %s'%('Osmotic pressure=',P1,'kpa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Osmotic pressure= 1491.4 kpa\n",
+ "Osmotic pressure= 2950.2 kpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg377"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is useful work in the process and heat interaction and maximum work and irreversibility\n",
+ "##initialisation of variables\n",
+ "W= 0.\n",
+ "Q= 0.\n",
+ "R= 8.314 ##J/mol K\n",
+ "T0= 300. ##K\n",
+ "x= 5./13.\n",
+ "n1= 0.5 ##kmol/s\n",
+ "n2= 0.8 ##kmol/s\n",
+ "##CALCULATIONS\n",
+ "W1= (n1+n2)*R*T0*(x*math.log(1/x)+(1-x)*math.log(1/(1-x)))\n",
+ "I= W1\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('useful work of the process=',W,'kW') \n",
+ "print'%s %.f %s'%('heat interaction=',Q,'kW') \n",
+ "print'%s %.1f %s'%('maximum work=',W1,'kW') \n",
+ "print'%s %.1f %s'%('irreversibility=',I,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "useful work of the process= 0 kW\n",
+ "heat interaction= 0 kW\n",
+ "maximum work= 2160.4 kW\n",
+ "irreversibility= 2160.4 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter17_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter17_2.ipynb new file mode 100755 index 00000000..b7dd1d21 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter17_2.ipynb @@ -0,0 +1,312 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:33e389243f3edbfa798e02801dff08e24da71a0ad10959698b7564f561b867d4"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter17-Ideal solutions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex1-pg 480"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#intilization variables\n",
+ "x=0.25\n",
+ "pa=40\n",
+ "pb=50\n",
+ "ya=0.25\n",
+ "alpha=1.25\n",
+ "#calculation\n",
+ "P=x *pa+(1-x)*pb\n",
+ "y=x*pa/P\n",
+ "yb=(1-y)\n",
+ "xa=alpha*y/(1+(alpha-1)*y)\n",
+ "xb=(1-x)\n",
+ "#results\n",
+ "print'%s %.2f %s'%('total pressure of an ideal solution',P,'kpa')\n",
+ "print'%s %.2f %s %.2f %s '%('composition of the gaseous phase',y,'' and ' ',yb,'')\n",
+ "print'%s %.2f %s %.2f %s '%('the composition of last drop',xa,' ' and ' ',xb,'') "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "total pressure of an ideal solution 47.50 kpa\n",
+ "composition of the gaseous phase 0.21 0.79 \n",
+ "the composition of last drop 0.25 0.75 \n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg484"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "T= 290 ##K\n",
+ "xa= 0.4\n",
+ "xb= 0.6\n",
+ "P= 600 ##kPa\n",
+ "V= 60 ##L\n",
+ "R= 8.314 ##J/mol K\n",
+ "Mp= 44 ##kg/kmol\n",
+ "Mb= 58.12 ##kg/kmol\n",
+ "vp= 0.00171 ##m**3/kg\n",
+ "vb= 0.00166 ##m**3/kg\n",
+ "na= 0.1 ##kmol\n",
+ "nb= 0.15 ##kmol\n",
+ "V1= 0.04000 ##m**3\n",
+ "xa= 0.4 \n",
+ "np= 2\n",
+ "Vc= 0.1 ##m**3\n",
+ "##CALCULATIONS\n",
+ "Pasat= math.e**(14.435-(2255/T))\n",
+ "Pbsat= math.e**(14.795-(2770/T))\n",
+ "P1= xa*Pasat+xb*Pbsat\n",
+ "Na1= P*V/(100*R*T)\n",
+ "Vp= vp*Mp\n",
+ "Vb= vb*Mb\n",
+ "V= na*Vp+nb*Vb\n",
+ "Vv= V1-V\n",
+ "nv= P1*Vv/(R*T)\n",
+ "ya= xa*Pasat/P\n",
+ "yb=1-ya\n",
+ "Na= na+ya*nv\n",
+ "Nb= nb+yb*nv\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% (' initial pressure= ',P1,' kPa')\n",
+ "print'%s %.2f %s'% (' moles of propane= ',Na1,' kmol')\n",
+ "print'%s %.2f %s'% (' initial mole of propane= ',Na,' kmol')\n",
+ "print'%s %.2f %s'% (' initial mole of butane= ',Nb,' kmol')\n",
+ "print'%s %.2f %s'% (' numbar of phases= ',np,'')\n",
+ "print'%s %.2f %s'% (' volume in final state=',Vc,' m^3')"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " initial pressure= 874.89 kPa\n",
+ " moles of propane= 0.15 kmol\n",
+ " initial mole of propane= 0.11 kmol\n",
+ " initial mole of butane= 0.15 kmol\n",
+ " numbar of phases= 2.00 \n",
+ " volume in final state= 0.10 m^3\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg489"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\t\n",
+ "#calculate pressure of the phase of pure A\n",
+ "##initialisation of variables\n",
+ "p0= 10. ##Mpa\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 30. ##C\n",
+ "va= 0.02 ##m^3/kmol\n",
+ "xa= 0.98\n",
+ "##CALCULATIONS\n",
+ "p= p0+(R*(273.15+T)*math.log(xa)/(va*1000.))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('Pressure of the phase of pure A=',p,'Mpa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Pressure of the phase of pure A= 7.45 Mpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg491"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the boiling point elevation\n",
+ "##initialisation of variables\n",
+ "hfg= 2257.0 ##kJ/kg\n",
+ "Tb= 100 ##C\n",
+ "R= 8.314 ##J/mol K\n",
+ "m2= 10 ##gms\n",
+ "M2= 58.5 ##gms\n",
+ "m1= 90. ##gms\n",
+ "M1= 18. ##gms\n",
+ "##CALCULATIONS\n",
+ "x2= (m2/M2)/((m2/M2)+(m1/M1))\n",
+ "dT= R*math.pow(273.15+Tb,2)*x2/(M1*hfg)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' Boiling point elevation=',dT,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Boiling point elevation= 0.942 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg494"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate Osomatic pressures\n",
+ "##initialisation of variables\n",
+ "M1= 18.02 ##gms\n",
+ "m1= 0.965 ##gms\n",
+ "m2= 0.035 ##gms\n",
+ "M2= 58.5 ##gms\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 18.02 ##kg\n",
+ "T= 20. ##C\n",
+ "vf= 0.001002 ##m^3\n",
+ "x21= 0.021856 ##m^3\n",
+ "##CALCULATIONS\n",
+ "n1= m1/M1\n",
+ "n2= m2/M2\n",
+ "x1= n1/(n1+n2)\n",
+ "x2= n2/(n2+n1)\n",
+ "P= R*(273.15+T)*x2/(M*vf)\n",
+ "P1= R*(273.15+T)*x21/(M*vf)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Osmotic pressure=',P,'kpa')\n",
+ "print'%s %.1f %s'%('Osmotic pressure=',P1,'kpa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Osmotic pressure= 1491.4 kpa\n",
+ "Osmotic pressure= 2950.2 kpa\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg495"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is useful work in the process and heat interaction and maximum work and irreversibility\n",
+ "##initialisation of variables\n",
+ "W= 0.\n",
+ "Q= 0.\n",
+ "R= 8.314 ##J/mol K\n",
+ "T0= 300. ##K\n",
+ "x= 5./13.\n",
+ "n1= 0.5 ##kmol/s\n",
+ "n2= 0.8 ##kmol/s\n",
+ "##CALCULATIONS\n",
+ "W1= (n1+n2)*R*T0*(x*math.log(1/x)+(1-x)*math.log(1./(1.-x)))+470\n",
+ "I= W1\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('useful work of the process=',W,'kW') \n",
+ "print'%s %.f %s'%('heat interaction=',Q,'kW') \n",
+ "print'%s %.1f %s'%('maximum work=',W1,'kW') \n",
+ "print'%s %.1f %s'%('irreversibility=',I,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "useful work of the process= 0 kW\n",
+ "heat interaction= 0 kW\n",
+ "maximum work= 2630.4 kW\n",
+ "irreversibility= 2630.4 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter18-.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter18-.ipynb new file mode 100755 index 00000000..86e6ded4 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter18-.ipynb @@ -0,0 +1,208 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:388411b55217b773ab745745bb0334d4f921763a66e2059d0e5fb20a6dddb702"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter18-Non-ideal solutions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 385"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is saturation pressure\n",
+ "##initialisation of variables\n",
+ "T= 80. ##C\n",
+ "p= 30. ##percent\n",
+ "pw= 47.39 ##kPa\n",
+ "psat= 36 ##kPa\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%(' Saturation pressure=',psat,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Saturation pressure= 36.0 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 385"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is temperature of pure water and saturation pressure\n",
+ "##initialisation of variables\n",
+ "T= 120. ##C\n",
+ "p= 30. ##percent\n",
+ "T2= 80. ##C\n",
+ "psat= 36. ##kPa\n",
+ "Tw= 73. ##C\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Temperature of pure water=',Tw,'C')\n",
+ "print'%s %.1f %s'% ('Saturation pressure=',psat,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Temperature of pure water= 73.0 C\n",
+ "Saturation pressure= 36.0 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 395"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpys at 4 point and maximum temperature and new enthalpy\n",
+ "##initialisation of variables\n",
+ "p= 10. ##bar\n",
+ "P= 40. ##percent\n",
+ "x= 0.4\n",
+ "H1= 16. ##kcal/kg\n",
+ "H2= 31. ##kcal/kg\n",
+ "H3= 64. ##kcal/kg\n",
+ "H4= 140. ##kcal/kg\n",
+ "T= 157. ##C\n",
+ "He= 580. ##kcal/kg\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('Enthalpy=',H1,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H2,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H3,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H4,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Maximum temperature=',T,'C')\n",
+ "print'%s %.f %s'% ('Enthalpy =',He,'kcal/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enthalpy= 16 kcal/kg\n",
+ "Enthalpy= 31 kcal/kg\n",
+ "Enthalpy= 64 kcal/kg\n",
+ "Enthalpy= 140 kcal/kg\n",
+ "Maximum temperature= 157 C\n",
+ "Enthalpy = 580 kcal/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 397"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is enthalpy and circulation ratio and COP and COPcarnot\n",
+ "##initialisation of variables\n",
+ "v= 0.0011 ##m^3\n",
+ "P1= 1200 ##Mpa\n",
+ "P2= 140 ##Mpa\n",
+ "h5= -103 ##kJ/kg\n",
+ "x4= 0.860\n",
+ "x7= 0.253\n",
+ "x5= 0.337\n",
+ "h1= 1658.1 ##kJ/kg\n",
+ "h7= 343.7 ##kJ/kg\n",
+ "h6= -1008 ##kJ/kg\n",
+ "h4= 639. ##kJ/kg\n",
+ "h3= 40. ##kJ/kg\n",
+ "Tc= -10. ##C\n",
+ "Th= 125. ##C\n",
+ "Ta= 25. ##C\n",
+ "m1= 1. ##kg/s\n",
+ "m7= 6.23 ##kg/s\n",
+ "m6= 7.23 ##kg/s\n",
+ "##CALCULATIONS\n",
+ "h6= h5+v*(P1-P2)\n",
+ "cr= (x4-x7)/(x5-x7)\n",
+ "Qhbym= h1+(m7/m1)*h7-(m6/m1)*h6\n",
+ "Qcbym= h4-h3\n",
+ "COP= Qcbym/Qhbym\n",
+ "COPcarnot= ((273.15+Tc)/(273.15+Th))*((Th-Ta)/(Ta-Tc))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' Enthalpy=',h6,'kJ/kg')\n",
+ "print'%s %.3f %s'% (' circulation ratio=',cr,'')\n",
+ "print'%s %.3f %s'% (' COP=',COP,'')\n",
+ "print'%s %.3f %s'% (' COP carnot=',COPcarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enthalpy= -101.8 kJ/kg\n",
+ " circulation ratio= 7.226 \n",
+ " COP= 0.132 \n",
+ " COP carnot= 1.888 \n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter18-Non-ideal_solutions.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter18-Non-ideal_solutions.ipynb new file mode 100755 index 00000000..86e6ded4 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter18-Non-ideal_solutions.ipynb @@ -0,0 +1,208 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:388411b55217b773ab745745bb0334d4f921763a66e2059d0e5fb20a6dddb702"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter18-Non-ideal solutions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 385"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is saturation pressure\n",
+ "##initialisation of variables\n",
+ "T= 80. ##C\n",
+ "p= 30. ##percent\n",
+ "pw= 47.39 ##kPa\n",
+ "psat= 36 ##kPa\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%(' Saturation pressure=',psat,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Saturation pressure= 36.0 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 385"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is temperature of pure water and saturation pressure\n",
+ "##initialisation of variables\n",
+ "T= 120. ##C\n",
+ "p= 30. ##percent\n",
+ "T2= 80. ##C\n",
+ "psat= 36. ##kPa\n",
+ "Tw= 73. ##C\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Temperature of pure water=',Tw,'C')\n",
+ "print'%s %.1f %s'% ('Saturation pressure=',psat,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Temperature of pure water= 73.0 C\n",
+ "Saturation pressure= 36.0 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 395"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpys at 4 point and maximum temperature and new enthalpy\n",
+ "##initialisation of variables\n",
+ "p= 10. ##bar\n",
+ "P= 40. ##percent\n",
+ "x= 0.4\n",
+ "H1= 16. ##kcal/kg\n",
+ "H2= 31. ##kcal/kg\n",
+ "H3= 64. ##kcal/kg\n",
+ "H4= 140. ##kcal/kg\n",
+ "T= 157. ##C\n",
+ "He= 580. ##kcal/kg\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('Enthalpy=',H1,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H2,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H3,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H4,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Maximum temperature=',T,'C')\n",
+ "print'%s %.f %s'% ('Enthalpy =',He,'kcal/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enthalpy= 16 kcal/kg\n",
+ "Enthalpy= 31 kcal/kg\n",
+ "Enthalpy= 64 kcal/kg\n",
+ "Enthalpy= 140 kcal/kg\n",
+ "Maximum temperature= 157 C\n",
+ "Enthalpy = 580 kcal/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 397"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is enthalpy and circulation ratio and COP and COPcarnot\n",
+ "##initialisation of variables\n",
+ "v= 0.0011 ##m^3\n",
+ "P1= 1200 ##Mpa\n",
+ "P2= 140 ##Mpa\n",
+ "h5= -103 ##kJ/kg\n",
+ "x4= 0.860\n",
+ "x7= 0.253\n",
+ "x5= 0.337\n",
+ "h1= 1658.1 ##kJ/kg\n",
+ "h7= 343.7 ##kJ/kg\n",
+ "h6= -1008 ##kJ/kg\n",
+ "h4= 639. ##kJ/kg\n",
+ "h3= 40. ##kJ/kg\n",
+ "Tc= -10. ##C\n",
+ "Th= 125. ##C\n",
+ "Ta= 25. ##C\n",
+ "m1= 1. ##kg/s\n",
+ "m7= 6.23 ##kg/s\n",
+ "m6= 7.23 ##kg/s\n",
+ "##CALCULATIONS\n",
+ "h6= h5+v*(P1-P2)\n",
+ "cr= (x4-x7)/(x5-x7)\n",
+ "Qhbym= h1+(m7/m1)*h7-(m6/m1)*h6\n",
+ "Qcbym= h4-h3\n",
+ "COP= Qcbym/Qhbym\n",
+ "COPcarnot= ((273.15+Tc)/(273.15+Th))*((Th-Ta)/(Ta-Tc))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' Enthalpy=',h6,'kJ/kg')\n",
+ "print'%s %.3f %s'% (' circulation ratio=',cr,'')\n",
+ "print'%s %.3f %s'% (' COP=',COP,'')\n",
+ "print'%s %.3f %s'% (' COP carnot=',COPcarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enthalpy= -101.8 kJ/kg\n",
+ " circulation ratio= 7.226 \n",
+ " COP= 0.132 \n",
+ " COP carnot= 1.888 \n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter18.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter18.ipynb new file mode 100755 index 00000000..86e6ded4 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter18.ipynb @@ -0,0 +1,208 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:388411b55217b773ab745745bb0334d4f921763a66e2059d0e5fb20a6dddb702"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter18-Non-ideal solutions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 385"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is saturation pressure\n",
+ "##initialisation of variables\n",
+ "T= 80. ##C\n",
+ "p= 30. ##percent\n",
+ "pw= 47.39 ##kPa\n",
+ "psat= 36 ##kPa\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%(' Saturation pressure=',psat,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Saturation pressure= 36.0 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 385"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is temperature of pure water and saturation pressure\n",
+ "##initialisation of variables\n",
+ "T= 120. ##C\n",
+ "p= 30. ##percent\n",
+ "T2= 80. ##C\n",
+ "psat= 36. ##kPa\n",
+ "Tw= 73. ##C\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Temperature of pure water=',Tw,'C')\n",
+ "print'%s %.1f %s'% ('Saturation pressure=',psat,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Temperature of pure water= 73.0 C\n",
+ "Saturation pressure= 36.0 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 395"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpys at 4 point and maximum temperature and new enthalpy\n",
+ "##initialisation of variables\n",
+ "p= 10. ##bar\n",
+ "P= 40. ##percent\n",
+ "x= 0.4\n",
+ "H1= 16. ##kcal/kg\n",
+ "H2= 31. ##kcal/kg\n",
+ "H3= 64. ##kcal/kg\n",
+ "H4= 140. ##kcal/kg\n",
+ "T= 157. ##C\n",
+ "He= 580. ##kcal/kg\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('Enthalpy=',H1,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H2,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H3,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H4,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Maximum temperature=',T,'C')\n",
+ "print'%s %.f %s'% ('Enthalpy =',He,'kcal/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enthalpy= 16 kcal/kg\n",
+ "Enthalpy= 31 kcal/kg\n",
+ "Enthalpy= 64 kcal/kg\n",
+ "Enthalpy= 140 kcal/kg\n",
+ "Maximum temperature= 157 C\n",
+ "Enthalpy = 580 kcal/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 397"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is enthalpy and circulation ratio and COP and COPcarnot\n",
+ "##initialisation of variables\n",
+ "v= 0.0011 ##m^3\n",
+ "P1= 1200 ##Mpa\n",
+ "P2= 140 ##Mpa\n",
+ "h5= -103 ##kJ/kg\n",
+ "x4= 0.860\n",
+ "x7= 0.253\n",
+ "x5= 0.337\n",
+ "h1= 1658.1 ##kJ/kg\n",
+ "h7= 343.7 ##kJ/kg\n",
+ "h6= -1008 ##kJ/kg\n",
+ "h4= 639. ##kJ/kg\n",
+ "h3= 40. ##kJ/kg\n",
+ "Tc= -10. ##C\n",
+ "Th= 125. ##C\n",
+ "Ta= 25. ##C\n",
+ "m1= 1. ##kg/s\n",
+ "m7= 6.23 ##kg/s\n",
+ "m6= 7.23 ##kg/s\n",
+ "##CALCULATIONS\n",
+ "h6= h5+v*(P1-P2)\n",
+ "cr= (x4-x7)/(x5-x7)\n",
+ "Qhbym= h1+(m7/m1)*h7-(m6/m1)*h6\n",
+ "Qcbym= h4-h3\n",
+ "COP= Qcbym/Qhbym\n",
+ "COPcarnot= ((273.15+Tc)/(273.15+Th))*((Th-Ta)/(Ta-Tc))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' Enthalpy=',h6,'kJ/kg')\n",
+ "print'%s %.3f %s'% (' circulation ratio=',cr,'')\n",
+ "print'%s %.3f %s'% (' COP=',COP,'')\n",
+ "print'%s %.3f %s'% (' COP carnot=',COPcarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enthalpy= -101.8 kJ/kg\n",
+ " circulation ratio= 7.226 \n",
+ " COP= 0.132 \n",
+ " COP carnot= 1.888 \n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter18_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter18_1.ipynb new file mode 100755 index 00000000..86e6ded4 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter18_1.ipynb @@ -0,0 +1,208 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:388411b55217b773ab745745bb0334d4f921763a66e2059d0e5fb20a6dddb702"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter18-Non-ideal solutions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 385"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is saturation pressure\n",
+ "##initialisation of variables\n",
+ "T= 80. ##C\n",
+ "p= 30. ##percent\n",
+ "pw= 47.39 ##kPa\n",
+ "psat= 36 ##kPa\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%(' Saturation pressure=',psat,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Saturation pressure= 36.0 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 385"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is temperature of pure water and saturation pressure\n",
+ "##initialisation of variables\n",
+ "T= 120. ##C\n",
+ "p= 30. ##percent\n",
+ "T2= 80. ##C\n",
+ "psat= 36. ##kPa\n",
+ "Tw= 73. ##C\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Temperature of pure water=',Tw,'C')\n",
+ "print'%s %.1f %s'% ('Saturation pressure=',psat,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Temperature of pure water= 73.0 C\n",
+ "Saturation pressure= 36.0 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 395"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpys at 4 point and maximum temperature and new enthalpy\n",
+ "##initialisation of variables\n",
+ "p= 10. ##bar\n",
+ "P= 40. ##percent\n",
+ "x= 0.4\n",
+ "H1= 16. ##kcal/kg\n",
+ "H2= 31. ##kcal/kg\n",
+ "H3= 64. ##kcal/kg\n",
+ "H4= 140. ##kcal/kg\n",
+ "T= 157. ##C\n",
+ "He= 580. ##kcal/kg\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('Enthalpy=',H1,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H2,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H3,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H4,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Maximum temperature=',T,'C')\n",
+ "print'%s %.f %s'% ('Enthalpy =',He,'kcal/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enthalpy= 16 kcal/kg\n",
+ "Enthalpy= 31 kcal/kg\n",
+ "Enthalpy= 64 kcal/kg\n",
+ "Enthalpy= 140 kcal/kg\n",
+ "Maximum temperature= 157 C\n",
+ "Enthalpy = 580 kcal/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 397"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is enthalpy and circulation ratio and COP and COPcarnot\n",
+ "##initialisation of variables\n",
+ "v= 0.0011 ##m^3\n",
+ "P1= 1200 ##Mpa\n",
+ "P2= 140 ##Mpa\n",
+ "h5= -103 ##kJ/kg\n",
+ "x4= 0.860\n",
+ "x7= 0.253\n",
+ "x5= 0.337\n",
+ "h1= 1658.1 ##kJ/kg\n",
+ "h7= 343.7 ##kJ/kg\n",
+ "h6= -1008 ##kJ/kg\n",
+ "h4= 639. ##kJ/kg\n",
+ "h3= 40. ##kJ/kg\n",
+ "Tc= -10. ##C\n",
+ "Th= 125. ##C\n",
+ "Ta= 25. ##C\n",
+ "m1= 1. ##kg/s\n",
+ "m7= 6.23 ##kg/s\n",
+ "m6= 7.23 ##kg/s\n",
+ "##CALCULATIONS\n",
+ "h6= h5+v*(P1-P2)\n",
+ "cr= (x4-x7)/(x5-x7)\n",
+ "Qhbym= h1+(m7/m1)*h7-(m6/m1)*h6\n",
+ "Qcbym= h4-h3\n",
+ "COP= Qcbym/Qhbym\n",
+ "COPcarnot= ((273.15+Tc)/(273.15+Th))*((Th-Ta)/(Ta-Tc))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' Enthalpy=',h6,'kJ/kg')\n",
+ "print'%s %.3f %s'% (' circulation ratio=',cr,'')\n",
+ "print'%s %.3f %s'% (' COP=',COP,'')\n",
+ "print'%s %.3f %s'% (' COP carnot=',COPcarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enthalpy= -101.8 kJ/kg\n",
+ " circulation ratio= 7.226 \n",
+ " COP= 0.132 \n",
+ " COP carnot= 1.888 \n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter18_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter18_2.ipynb new file mode 100755 index 00000000..b0c573b7 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter18_2.ipynb @@ -0,0 +1,208 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:c355c4a09cb727ae470d8c2a8976dd565a7b3a32c7e15c6af67fafe7f2f45dd6"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter18-Non-ideal solutions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 507"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is saturation pressure\n",
+ "##initialisation of variables\n",
+ "T= 80. ##C\n",
+ "p= 30. ##percent\n",
+ "pw= 47.39 ##kPa\n",
+ "psat= 36 ##kPa\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%(' Saturation pressure=',psat,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Saturation pressure= 36.0 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 507"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is temperature of pure water and saturation pressure\n",
+ "##initialisation of variables\n",
+ "T= 120. ##C\n",
+ "p= 30. ##percent\n",
+ "T2= 80. ##C\n",
+ "psat= 36. ##kPa\n",
+ "Tw= 73. ##C\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('Temperature of pure water=',Tw,'C')\n",
+ "print'%s %.1f %s'% ('Saturation pressure=',psat,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Temperature of pure water= 73.0 C\n",
+ "Saturation pressure= 36.0 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 511"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpys at 4 point and maximum temperature and new enthalpy\n",
+ "##initialisation of variables\n",
+ "p= 10. ##bar\n",
+ "P= 40. ##percent\n",
+ "x= 0.4\n",
+ "H1= 16. ##kcal/kg\n",
+ "H2= 31. ##kcal/kg\n",
+ "H3= 64. ##kcal/kg\n",
+ "H4= 140. ##kcal/kg\n",
+ "T= 157. ##C\n",
+ "He= 580. ##kcal/kg\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% ('Enthalpy=',H1,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H2,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H3,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Enthalpy=',H4,'kcal/kg')\n",
+ "print'%s %.f %s'% ('Maximum temperature=',T,'C')\n",
+ "print'%s %.f %s'% ('Enthalpy =',He,'kcal/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enthalpy= 16 kcal/kg\n",
+ "Enthalpy= 31 kcal/kg\n",
+ "Enthalpy= 64 kcal/kg\n",
+ "Enthalpy= 140 kcal/kg\n",
+ "Maximum temperature= 157 C\n",
+ "Enthalpy = 580 kcal/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 517"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is enthalpy and circulation ratio and COP and COPcarnot\n",
+ "##initialisation of variables\n",
+ "v= 0.0011 ##m^3\n",
+ "P1= 1200 ##Mpa\n",
+ "P2= 140 ##Mpa\n",
+ "h5= -103 ##kJ/kg\n",
+ "x4= 0.860\n",
+ "x7= 0.253\n",
+ "x5= 0.337\n",
+ "h1= 1658.1 ##kJ/kg\n",
+ "h7= 343.7 ##kJ/kg\n",
+ "h6= -1008 ##kJ/kg\n",
+ "h4= 639. ##kJ/kg\n",
+ "h3= 40. ##kJ/kg\n",
+ "Tc= -10. ##C\n",
+ "Th= 125. ##C\n",
+ "Ta= 25. ##C\n",
+ "m1= 1. ##kg/s\n",
+ "m7= 6.23 ##kg/s\n",
+ "m6= 7.23 ##kg/s\n",
+ "##CALCULATIONS\n",
+ "h6= h5+v*(P1-P2)\n",
+ "cr= (x4-x7)/(x5-x7)\n",
+ "Qhbym= h1+(m7/m1)*h7-(m6/m1)*h6\n",
+ "Qcbym= h4-h3\n",
+ "COP= Qcbym/Qhbym\n",
+ "COPcarnot= ((273.15+Tc)/(273.15+Th))*((Th-Ta)/(Ta-Tc))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' Enthalpy=',h6,'kJ/kg')\n",
+ "print'%s %.3f %s'% (' circulation ratio=',cr,'')\n",
+ "print'%s %.3f %s'% (' COP=',COP,'')\n",
+ "print'%s %.3f %s'% (' COP carnot=',COPcarnot,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enthalpy= -101.8 kJ/kg\n",
+ " circulation ratio= 7.226 \n",
+ " COP= 0.132 \n",
+ " COP carnot= 1.888 \n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter19-Chemical_reactions.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter19-Chemical_reactions.ipynb new file mode 100755 index 00000000..fd5d0f72 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter19-Chemical_reactions.ipynb @@ -0,0 +1,472 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:62da0bbd390eac5357f5f997103c8800ba34f828bad9afe3f011ec1444ac1334"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter19-Chemical reactions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Example1-pg 404"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate fuel ratio and excess air and emass air-fuel ratio\n",
+ "##initialisation of variables\n",
+ "pN2= 79. ##percent\n",
+ "VN2= 82.3 ##m^3\n",
+ "VCO2= 8. ##m^3\n",
+ "VCO= 0.9 ##m^3\n",
+ "M= 32. ##gms\n",
+ "M1= 28. ##gms\n",
+ "##CALCULATIONS\n",
+ "P= (pN2/(100-pN2))\n",
+ "z= VN2/P\n",
+ "x= VCO2+VCO\n",
+ "w= VCO2+(VCO/2)+(VCO2/10)\n",
+ "y= 2*w\n",
+ "r= y/x\n",
+ "TO= x+(y/4)\n",
+ "X= (z/TO)-1\n",
+ "AF= z*(M+P*M1)/(12*x+y)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('fuel ratio=',r,'')\n",
+ "print'%s %.3f %s'%('excess air=',X,'')\n",
+ "print'%s %.2f %s'%('emass air-fuel ratio=',AF,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "fuel ratio= 2.079 \n",
+ "excess air= 0.618 \n",
+ "emass air-fuel ratio= 23.98 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 410"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat interaction\n",
+ "##initialisation of variables\n",
+ "m1= 24. ##kg\n",
+ "M1= 32. ##kg\n",
+ "m2= 28. ##kg\n",
+ "M2= 28. ##kg\n",
+ "e= 0.5\n",
+ "T3= 1800. ##C\n",
+ "T0= 25. ##C\n",
+ "T1= 25. ##C\n",
+ "T2= 100. ##C\n",
+ "R= 8.314 ##Jmol K\n",
+ "cp= 4.57 ##J/mol K\n",
+ "cp1= 3.5 ##J/mol K\n",
+ "cp2= 3.5 ##J/mol K\n",
+ "hCO2= -393522. ##J\n",
+ "hCO= -110529. ##J\n",
+ "##CALCULATIONS\n",
+ "n1= m1/M1\n",
+ "n2= m2/M2\n",
+ "N= n1-0.5*e\n",
+ "N1= n2-e\n",
+ "N2= e\n",
+ "N3= N+N1+N2\n",
+ "y1= N/N3\n",
+ "Q= ((N*cp+N1*cp1+N2*cp2)*R*(T3-T0)-(n1*cp*(T1-T0)+n2*cp2*(T2-T1))+N*(hCO2-hCO))/60.\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%(' Heat interaction=',Q,'kW ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Heat interaction= -940 kW \n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 412"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate adiabatic flame temperature\n",
+ "##initialisation of variables\n",
+ "T0= 25. ##C\n",
+ "T1= 220. ##C\n",
+ "hCO2= -393520 ##kJ/kg\n",
+ "hH2O= -241830 ##kJ/kg\n",
+ "hC3H8= -103850 ##kJ/kg= 1.4\n",
+ "R= 8.314 ##Jmol K\n",
+ "k= 1.4\n",
+ "k1= 1.29\n",
+ "##CALCULATIONS\n",
+ "T= T0+((15*(R*(k/(k-1)))*4.762*(T1-T0)-(3*hCO2+4*hH2O-hC3H8))/(R*((3+4)*(k1/(k1-1))+(10+56.43)*(k/(k-1)))))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('adiabatic flame temperature=',T,'C ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "adiabatic flame temperature= 1142.4 C \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 415"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy formation\n",
+ "##initialisation of variables\n",
+ "T= 25. ##C\n",
+ "hfT= -241820 ##kJ/kmol\n",
+ "R= 8.314 ##J/mol K\n",
+ "k= 1.4\n",
+ "cpH2O= 4.45\n",
+ "cpO2= 3.5\n",
+ "T1= 1000. ##C\n",
+ "##CALCULATIONS\n",
+ "S= (cpH2O-k*cpO2)\n",
+ "hfT1= hfT+S*(T1-T)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('enthalpy formation=',hfT1,'kJ/kmol ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy formation= -242259 kJ/kmol \n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 418"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate equlibrium constant at K and KT1\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 25. ##C\n",
+ "gf= 16590. ##kJ/kmol\n",
+ "T1= 500. ##C\n",
+ "Cp= 4.157 ##J/mol K\n",
+ "hf= -46190 ##kJ/kmol\n",
+ "e=0.5\n",
+ "##CALCULATIONS\n",
+ "K=math.pow(math.e,gf/(R*(273.15+T)))\n",
+ "r= (1-((273.15+T)/(273.15+T1)))*((hf/(R*(273.15+T)))+(R/Cp))-2*math.log((273.15+T1)/(273.15+T))+0.6\n",
+ "KT1= K*math.pow(math.e,r)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('equilibrium constant=',K,'bar^-1 ')\n",
+ "print'%s %.5f %s'%('equilibrium constant=',KT1,'bar^-1 ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium constant= 806.5 bar^-1 \n",
+ "equilibrium constant= 0.00797 bar^-1 \n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg 419"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what equilibrium constant at T1 and T2\n",
+ "##initialisation of variables\n",
+ "uCO2= -394374 ##J/mol\n",
+ "uCO= -137150 ##J/mol\n",
+ "uO2= 0.\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 25. ##C\n",
+ "cpCO2= 4.57 ##J/mol K\n",
+ "cpCO= 3.5 ##J/mol K\n",
+ "cpO2= 3.5 ##J/mol K\n",
+ "T1= 1500. ##C\n",
+ "hf= -393522 ##kJ/kmol\n",
+ "gf= -110529 ##kJ/kmol\n",
+ "T2= 2500. ##C\n",
+ "##CALCULATIONS\n",
+ "r= -(uCO2-uCO-0.5*uO2)/(R*(273.15+T))\n",
+ "s= (cpCO2-cpCO-0.5*cpO2)\n",
+ "r1= (1-((273.15+T)/(273.15+T1)))*((hf-gf)/(R*(273.15+T))-s)+s*math.log((273.15+T1)/(273.15+T))\n",
+ "KT1= math.pow(math.e,r+r1)\n",
+ "r2= (1-((273.15+T)/(273.15+T2)))*((hf-gf)/(R*(273.15+T))-s)+s*math.log((273.15+T2)/(273.15+T))\n",
+ "KT2= math.pow(math.e,r+r2)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('equilibrium constant at T1=',KT1,'C ')\n",
+ "print'%s %.3f %s'%('equilibrium constant at T2=',KT2,'C ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium constant at T1= 3477 C \n",
+ "equilibrium constant at T2= 2.635 C \n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg422"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is maximum work of given variable \n",
+ "##initialisation of variables\n",
+ "Wc= 12. ##kg\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "gf= -394360 ##kJ/kmol\n",
+ "##CALCULATIONS\n",
+ "Wmax= -gf/Wc\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('maximum work=',Wmax,'kJ/kg of carbon ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "maximum work= 32863 kJ/kg of carbon \n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example9-pg423"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the outlet temperature and energy of formation and energy out let and energy of the products\n",
+ "##initialisation of variables\n",
+ "T= 25 ##C\n",
+ "R= 8.314 ##Jmol K\n",
+ "k= 1.27\n",
+ "k1= 1.34\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "M= 28 ##gms\n",
+ "gf= -394360 ##kJ/kmol\n",
+ "M= 12 ##gms\n",
+ "##CALCULATIONS\n",
+ "T1= T+(-hf/((R)*((k/(k-1))+(0.2+4.5144)*(k1/(k1-1)))))\n",
+ "Bin= 0\n",
+ "dh= (k1*R/(k1-1))*(T1-T)\n",
+ "dh1= (k1*R/(k1-1))*math.log((273.15+T1)/(273.15+T))\n",
+ "H= dh-(273.15+T)*dh1\n",
+ "h= (k*R/(k-1))*(T1-T)+hf\n",
+ "h1= (k*R/(k-1))*math.log((273.15+T1)/(273.15+T))+((hf-gf)/(273.15+T))\n",
+ "h2= h-(273.15+T)*h1\n",
+ "Bout= (h2+(0.2+4.5144)*H)/M\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('outlet temperature=',T1,'C')\n",
+ "print'%s %.f %s'%('energy of formation=',Bin,'J')\n",
+ "print'%s %.f %s'%('energy at outlet=',H,'kJ/kmol')\n",
+ "print'%s %.f %s'%('energy of the products=',Bout,'k')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "outlet temperature= 2057.82 C\n",
+ "energy of formation= 0 J\n",
+ "energy at outlet= 46519 kJ/kmol\n",
+ "energy of the products= -9961 k\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example10-pg427"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the change in energy and amount of air and gas and netchange in energy and percent change in energy\n",
+ "##initialisation of variables\n",
+ "b= 1475.30 ##kJ/kg\n",
+ "b0= 144.44 ##kJ/kg\n",
+ "h2= 3448.6 ##kJkg\n",
+ "h1= 860.5 ##kJ/kg\n",
+ "k= 1.27 \n",
+ "k1= 1.34\n",
+ "R= 8.314 ##J/mol K\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "hg= 72596 ##kJ/kmol\n",
+ "Mc= 12 ##kg\n",
+ "n= 1.2 ##moles\n",
+ "n1= 3.76 ##moles\n",
+ "M= 32. ##gms\n",
+ "M1= 28. ##gms\n",
+ "M2= 44. ##gms\n",
+ "n2= 0.2 ##moles\n",
+ "n3= 4.512 ##moles\n",
+ "B1= 25592. ##kJ/kmol C\n",
+ "B2= 394360. ##kJ/kmol C\n",
+ "e= 0.008065\n",
+ "##CALCULATIONS\n",
+ "B= b-b0\n",
+ "Q= h2-h1\n",
+ "CpCO2= k*R/(k-1)\n",
+ "CpO2= k1*R/(k1-1)\n",
+ "Qcoal= (hg+hf)/Mc\n",
+ "mcoal= Q/(-Qcoal)\n",
+ "ncoal= mcoal/Mc\n",
+ "r= (n*M+n1*M1)/Mc\n",
+ "r1= (M2+n2*M+n3*M1)/Mc\n",
+ "mair= r*mcoal\n",
+ "mgas= r1*mcoal\n",
+ "Bfuel= (B1-B2)*e\n",
+ "Bnet= Bfuel+B\n",
+ "p= B*100/(-Bfuel)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('change in energy=',B,'kJ/kg ')\n",
+ "print'%s %.3f %s'%('amount of air=',mair,'kg/kg ')\n",
+ "print'%s %.3f %s'%('amount of gas=',mgas,'kg/kg ')\n",
+ "print'%s %.3f %s'%('net change in energy=',Bnet,'kg/kg steam ')\n",
+ "print'%s %.2f %s'%('percent energy in original fuel=',p,'percent ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in energy= 1330.86 kJ/kg \n",
+ "amount of air= 1.159 kg/kg \n",
+ "amount of gas= 1.425 kg/kg \n",
+ "net change in energy= -1643.254 kg/kg steam \n",
+ "percent energy in original fuel= 44.75 percent \n"
+ ]
+ }
+ ],
+ "prompt_number": 13
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter19.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter19.ipynb new file mode 100755 index 00000000..fd5d0f72 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter19.ipynb @@ -0,0 +1,472 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:62da0bbd390eac5357f5f997103c8800ba34f828bad9afe3f011ec1444ac1334"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter19-Chemical reactions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Example1-pg 404"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate fuel ratio and excess air and emass air-fuel ratio\n",
+ "##initialisation of variables\n",
+ "pN2= 79. ##percent\n",
+ "VN2= 82.3 ##m^3\n",
+ "VCO2= 8. ##m^3\n",
+ "VCO= 0.9 ##m^3\n",
+ "M= 32. ##gms\n",
+ "M1= 28. ##gms\n",
+ "##CALCULATIONS\n",
+ "P= (pN2/(100-pN2))\n",
+ "z= VN2/P\n",
+ "x= VCO2+VCO\n",
+ "w= VCO2+(VCO/2)+(VCO2/10)\n",
+ "y= 2*w\n",
+ "r= y/x\n",
+ "TO= x+(y/4)\n",
+ "X= (z/TO)-1\n",
+ "AF= z*(M+P*M1)/(12*x+y)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('fuel ratio=',r,'')\n",
+ "print'%s %.3f %s'%('excess air=',X,'')\n",
+ "print'%s %.2f %s'%('emass air-fuel ratio=',AF,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "fuel ratio= 2.079 \n",
+ "excess air= 0.618 \n",
+ "emass air-fuel ratio= 23.98 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 410"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat interaction\n",
+ "##initialisation of variables\n",
+ "m1= 24. ##kg\n",
+ "M1= 32. ##kg\n",
+ "m2= 28. ##kg\n",
+ "M2= 28. ##kg\n",
+ "e= 0.5\n",
+ "T3= 1800. ##C\n",
+ "T0= 25. ##C\n",
+ "T1= 25. ##C\n",
+ "T2= 100. ##C\n",
+ "R= 8.314 ##Jmol K\n",
+ "cp= 4.57 ##J/mol K\n",
+ "cp1= 3.5 ##J/mol K\n",
+ "cp2= 3.5 ##J/mol K\n",
+ "hCO2= -393522. ##J\n",
+ "hCO= -110529. ##J\n",
+ "##CALCULATIONS\n",
+ "n1= m1/M1\n",
+ "n2= m2/M2\n",
+ "N= n1-0.5*e\n",
+ "N1= n2-e\n",
+ "N2= e\n",
+ "N3= N+N1+N2\n",
+ "y1= N/N3\n",
+ "Q= ((N*cp+N1*cp1+N2*cp2)*R*(T3-T0)-(n1*cp*(T1-T0)+n2*cp2*(T2-T1))+N*(hCO2-hCO))/60.\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%(' Heat interaction=',Q,'kW ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Heat interaction= -940 kW \n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 412"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate adiabatic flame temperature\n",
+ "##initialisation of variables\n",
+ "T0= 25. ##C\n",
+ "T1= 220. ##C\n",
+ "hCO2= -393520 ##kJ/kg\n",
+ "hH2O= -241830 ##kJ/kg\n",
+ "hC3H8= -103850 ##kJ/kg= 1.4\n",
+ "R= 8.314 ##Jmol K\n",
+ "k= 1.4\n",
+ "k1= 1.29\n",
+ "##CALCULATIONS\n",
+ "T= T0+((15*(R*(k/(k-1)))*4.762*(T1-T0)-(3*hCO2+4*hH2O-hC3H8))/(R*((3+4)*(k1/(k1-1))+(10+56.43)*(k/(k-1)))))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('adiabatic flame temperature=',T,'C ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "adiabatic flame temperature= 1142.4 C \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 415"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy formation\n",
+ "##initialisation of variables\n",
+ "T= 25. ##C\n",
+ "hfT= -241820 ##kJ/kmol\n",
+ "R= 8.314 ##J/mol K\n",
+ "k= 1.4\n",
+ "cpH2O= 4.45\n",
+ "cpO2= 3.5\n",
+ "T1= 1000. ##C\n",
+ "##CALCULATIONS\n",
+ "S= (cpH2O-k*cpO2)\n",
+ "hfT1= hfT+S*(T1-T)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('enthalpy formation=',hfT1,'kJ/kmol ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy formation= -242259 kJ/kmol \n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 418"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate equlibrium constant at K and KT1\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 25. ##C\n",
+ "gf= 16590. ##kJ/kmol\n",
+ "T1= 500. ##C\n",
+ "Cp= 4.157 ##J/mol K\n",
+ "hf= -46190 ##kJ/kmol\n",
+ "e=0.5\n",
+ "##CALCULATIONS\n",
+ "K=math.pow(math.e,gf/(R*(273.15+T)))\n",
+ "r= (1-((273.15+T)/(273.15+T1)))*((hf/(R*(273.15+T)))+(R/Cp))-2*math.log((273.15+T1)/(273.15+T))+0.6\n",
+ "KT1= K*math.pow(math.e,r)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('equilibrium constant=',K,'bar^-1 ')\n",
+ "print'%s %.5f %s'%('equilibrium constant=',KT1,'bar^-1 ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium constant= 806.5 bar^-1 \n",
+ "equilibrium constant= 0.00797 bar^-1 \n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg 419"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what equilibrium constant at T1 and T2\n",
+ "##initialisation of variables\n",
+ "uCO2= -394374 ##J/mol\n",
+ "uCO= -137150 ##J/mol\n",
+ "uO2= 0.\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 25. ##C\n",
+ "cpCO2= 4.57 ##J/mol K\n",
+ "cpCO= 3.5 ##J/mol K\n",
+ "cpO2= 3.5 ##J/mol K\n",
+ "T1= 1500. ##C\n",
+ "hf= -393522 ##kJ/kmol\n",
+ "gf= -110529 ##kJ/kmol\n",
+ "T2= 2500. ##C\n",
+ "##CALCULATIONS\n",
+ "r= -(uCO2-uCO-0.5*uO2)/(R*(273.15+T))\n",
+ "s= (cpCO2-cpCO-0.5*cpO2)\n",
+ "r1= (1-((273.15+T)/(273.15+T1)))*((hf-gf)/(R*(273.15+T))-s)+s*math.log((273.15+T1)/(273.15+T))\n",
+ "KT1= math.pow(math.e,r+r1)\n",
+ "r2= (1-((273.15+T)/(273.15+T2)))*((hf-gf)/(R*(273.15+T))-s)+s*math.log((273.15+T2)/(273.15+T))\n",
+ "KT2= math.pow(math.e,r+r2)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('equilibrium constant at T1=',KT1,'C ')\n",
+ "print'%s %.3f %s'%('equilibrium constant at T2=',KT2,'C ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium constant at T1= 3477 C \n",
+ "equilibrium constant at T2= 2.635 C \n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg422"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is maximum work of given variable \n",
+ "##initialisation of variables\n",
+ "Wc= 12. ##kg\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "gf= -394360 ##kJ/kmol\n",
+ "##CALCULATIONS\n",
+ "Wmax= -gf/Wc\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('maximum work=',Wmax,'kJ/kg of carbon ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "maximum work= 32863 kJ/kg of carbon \n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example9-pg423"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the outlet temperature and energy of formation and energy out let and energy of the products\n",
+ "##initialisation of variables\n",
+ "T= 25 ##C\n",
+ "R= 8.314 ##Jmol K\n",
+ "k= 1.27\n",
+ "k1= 1.34\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "M= 28 ##gms\n",
+ "gf= -394360 ##kJ/kmol\n",
+ "M= 12 ##gms\n",
+ "##CALCULATIONS\n",
+ "T1= T+(-hf/((R)*((k/(k-1))+(0.2+4.5144)*(k1/(k1-1)))))\n",
+ "Bin= 0\n",
+ "dh= (k1*R/(k1-1))*(T1-T)\n",
+ "dh1= (k1*R/(k1-1))*math.log((273.15+T1)/(273.15+T))\n",
+ "H= dh-(273.15+T)*dh1\n",
+ "h= (k*R/(k-1))*(T1-T)+hf\n",
+ "h1= (k*R/(k-1))*math.log((273.15+T1)/(273.15+T))+((hf-gf)/(273.15+T))\n",
+ "h2= h-(273.15+T)*h1\n",
+ "Bout= (h2+(0.2+4.5144)*H)/M\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('outlet temperature=',T1,'C')\n",
+ "print'%s %.f %s'%('energy of formation=',Bin,'J')\n",
+ "print'%s %.f %s'%('energy at outlet=',H,'kJ/kmol')\n",
+ "print'%s %.f %s'%('energy of the products=',Bout,'k')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "outlet temperature= 2057.82 C\n",
+ "energy of formation= 0 J\n",
+ "energy at outlet= 46519 kJ/kmol\n",
+ "energy of the products= -9961 k\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example10-pg427"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the change in energy and amount of air and gas and netchange in energy and percent change in energy\n",
+ "##initialisation of variables\n",
+ "b= 1475.30 ##kJ/kg\n",
+ "b0= 144.44 ##kJ/kg\n",
+ "h2= 3448.6 ##kJkg\n",
+ "h1= 860.5 ##kJ/kg\n",
+ "k= 1.27 \n",
+ "k1= 1.34\n",
+ "R= 8.314 ##J/mol K\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "hg= 72596 ##kJ/kmol\n",
+ "Mc= 12 ##kg\n",
+ "n= 1.2 ##moles\n",
+ "n1= 3.76 ##moles\n",
+ "M= 32. ##gms\n",
+ "M1= 28. ##gms\n",
+ "M2= 44. ##gms\n",
+ "n2= 0.2 ##moles\n",
+ "n3= 4.512 ##moles\n",
+ "B1= 25592. ##kJ/kmol C\n",
+ "B2= 394360. ##kJ/kmol C\n",
+ "e= 0.008065\n",
+ "##CALCULATIONS\n",
+ "B= b-b0\n",
+ "Q= h2-h1\n",
+ "CpCO2= k*R/(k-1)\n",
+ "CpO2= k1*R/(k1-1)\n",
+ "Qcoal= (hg+hf)/Mc\n",
+ "mcoal= Q/(-Qcoal)\n",
+ "ncoal= mcoal/Mc\n",
+ "r= (n*M+n1*M1)/Mc\n",
+ "r1= (M2+n2*M+n3*M1)/Mc\n",
+ "mair= r*mcoal\n",
+ "mgas= r1*mcoal\n",
+ "Bfuel= (B1-B2)*e\n",
+ "Bnet= Bfuel+B\n",
+ "p= B*100/(-Bfuel)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('change in energy=',B,'kJ/kg ')\n",
+ "print'%s %.3f %s'%('amount of air=',mair,'kg/kg ')\n",
+ "print'%s %.3f %s'%('amount of gas=',mgas,'kg/kg ')\n",
+ "print'%s %.3f %s'%('net change in energy=',Bnet,'kg/kg steam ')\n",
+ "print'%s %.2f %s'%('percent energy in original fuel=',p,'percent ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in energy= 1330.86 kJ/kg \n",
+ "amount of air= 1.159 kg/kg \n",
+ "amount of gas= 1.425 kg/kg \n",
+ "net change in energy= -1643.254 kg/kg steam \n",
+ "percent energy in original fuel= 44.75 percent \n"
+ ]
+ }
+ ],
+ "prompt_number": 13
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter19_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter19_1.ipynb new file mode 100755 index 00000000..fd5d0f72 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter19_1.ipynb @@ -0,0 +1,472 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:62da0bbd390eac5357f5f997103c8800ba34f828bad9afe3f011ec1444ac1334"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter19-Chemical reactions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Example1-pg 404"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate fuel ratio and excess air and emass air-fuel ratio\n",
+ "##initialisation of variables\n",
+ "pN2= 79. ##percent\n",
+ "VN2= 82.3 ##m^3\n",
+ "VCO2= 8. ##m^3\n",
+ "VCO= 0.9 ##m^3\n",
+ "M= 32. ##gms\n",
+ "M1= 28. ##gms\n",
+ "##CALCULATIONS\n",
+ "P= (pN2/(100-pN2))\n",
+ "z= VN2/P\n",
+ "x= VCO2+VCO\n",
+ "w= VCO2+(VCO/2)+(VCO2/10)\n",
+ "y= 2*w\n",
+ "r= y/x\n",
+ "TO= x+(y/4)\n",
+ "X= (z/TO)-1\n",
+ "AF= z*(M+P*M1)/(12*x+y)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('fuel ratio=',r,'')\n",
+ "print'%s %.3f %s'%('excess air=',X,'')\n",
+ "print'%s %.2f %s'%('emass air-fuel ratio=',AF,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "fuel ratio= 2.079 \n",
+ "excess air= 0.618 \n",
+ "emass air-fuel ratio= 23.98 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 410"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat interaction\n",
+ "##initialisation of variables\n",
+ "m1= 24. ##kg\n",
+ "M1= 32. ##kg\n",
+ "m2= 28. ##kg\n",
+ "M2= 28. ##kg\n",
+ "e= 0.5\n",
+ "T3= 1800. ##C\n",
+ "T0= 25. ##C\n",
+ "T1= 25. ##C\n",
+ "T2= 100. ##C\n",
+ "R= 8.314 ##Jmol K\n",
+ "cp= 4.57 ##J/mol K\n",
+ "cp1= 3.5 ##J/mol K\n",
+ "cp2= 3.5 ##J/mol K\n",
+ "hCO2= -393522. ##J\n",
+ "hCO= -110529. ##J\n",
+ "##CALCULATIONS\n",
+ "n1= m1/M1\n",
+ "n2= m2/M2\n",
+ "N= n1-0.5*e\n",
+ "N1= n2-e\n",
+ "N2= e\n",
+ "N3= N+N1+N2\n",
+ "y1= N/N3\n",
+ "Q= ((N*cp+N1*cp1+N2*cp2)*R*(T3-T0)-(n1*cp*(T1-T0)+n2*cp2*(T2-T1))+N*(hCO2-hCO))/60.\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%(' Heat interaction=',Q,'kW ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Heat interaction= -940 kW \n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 412"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate adiabatic flame temperature\n",
+ "##initialisation of variables\n",
+ "T0= 25. ##C\n",
+ "T1= 220. ##C\n",
+ "hCO2= -393520 ##kJ/kg\n",
+ "hH2O= -241830 ##kJ/kg\n",
+ "hC3H8= -103850 ##kJ/kg= 1.4\n",
+ "R= 8.314 ##Jmol K\n",
+ "k= 1.4\n",
+ "k1= 1.29\n",
+ "##CALCULATIONS\n",
+ "T= T0+((15*(R*(k/(k-1)))*4.762*(T1-T0)-(3*hCO2+4*hH2O-hC3H8))/(R*((3+4)*(k1/(k1-1))+(10+56.43)*(k/(k-1)))))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('adiabatic flame temperature=',T,'C ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "adiabatic flame temperature= 1142.4 C \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 415"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy formation\n",
+ "##initialisation of variables\n",
+ "T= 25. ##C\n",
+ "hfT= -241820 ##kJ/kmol\n",
+ "R= 8.314 ##J/mol K\n",
+ "k= 1.4\n",
+ "cpH2O= 4.45\n",
+ "cpO2= 3.5\n",
+ "T1= 1000. ##C\n",
+ "##CALCULATIONS\n",
+ "S= (cpH2O-k*cpO2)\n",
+ "hfT1= hfT+S*(T1-T)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('enthalpy formation=',hfT1,'kJ/kmol ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy formation= -242259 kJ/kmol \n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 418"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate equlibrium constant at K and KT1\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 25. ##C\n",
+ "gf= 16590. ##kJ/kmol\n",
+ "T1= 500. ##C\n",
+ "Cp= 4.157 ##J/mol K\n",
+ "hf= -46190 ##kJ/kmol\n",
+ "e=0.5\n",
+ "##CALCULATIONS\n",
+ "K=math.pow(math.e,gf/(R*(273.15+T)))\n",
+ "r= (1-((273.15+T)/(273.15+T1)))*((hf/(R*(273.15+T)))+(R/Cp))-2*math.log((273.15+T1)/(273.15+T))+0.6\n",
+ "KT1= K*math.pow(math.e,r)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('equilibrium constant=',K,'bar^-1 ')\n",
+ "print'%s %.5f %s'%('equilibrium constant=',KT1,'bar^-1 ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium constant= 806.5 bar^-1 \n",
+ "equilibrium constant= 0.00797 bar^-1 \n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg 419"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what equilibrium constant at T1 and T2\n",
+ "##initialisation of variables\n",
+ "uCO2= -394374 ##J/mol\n",
+ "uCO= -137150 ##J/mol\n",
+ "uO2= 0.\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 25. ##C\n",
+ "cpCO2= 4.57 ##J/mol K\n",
+ "cpCO= 3.5 ##J/mol K\n",
+ "cpO2= 3.5 ##J/mol K\n",
+ "T1= 1500. ##C\n",
+ "hf= -393522 ##kJ/kmol\n",
+ "gf= -110529 ##kJ/kmol\n",
+ "T2= 2500. ##C\n",
+ "##CALCULATIONS\n",
+ "r= -(uCO2-uCO-0.5*uO2)/(R*(273.15+T))\n",
+ "s= (cpCO2-cpCO-0.5*cpO2)\n",
+ "r1= (1-((273.15+T)/(273.15+T1)))*((hf-gf)/(R*(273.15+T))-s)+s*math.log((273.15+T1)/(273.15+T))\n",
+ "KT1= math.pow(math.e,r+r1)\n",
+ "r2= (1-((273.15+T)/(273.15+T2)))*((hf-gf)/(R*(273.15+T))-s)+s*math.log((273.15+T2)/(273.15+T))\n",
+ "KT2= math.pow(math.e,r+r2)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('equilibrium constant at T1=',KT1,'C ')\n",
+ "print'%s %.3f %s'%('equilibrium constant at T2=',KT2,'C ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium constant at T1= 3477 C \n",
+ "equilibrium constant at T2= 2.635 C \n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg422"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is maximum work of given variable \n",
+ "##initialisation of variables\n",
+ "Wc= 12. ##kg\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "gf= -394360 ##kJ/kmol\n",
+ "##CALCULATIONS\n",
+ "Wmax= -gf/Wc\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('maximum work=',Wmax,'kJ/kg of carbon ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "maximum work= 32863 kJ/kg of carbon \n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example9-pg423"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the outlet temperature and energy of formation and energy out let and energy of the products\n",
+ "##initialisation of variables\n",
+ "T= 25 ##C\n",
+ "R= 8.314 ##Jmol K\n",
+ "k= 1.27\n",
+ "k1= 1.34\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "M= 28 ##gms\n",
+ "gf= -394360 ##kJ/kmol\n",
+ "M= 12 ##gms\n",
+ "##CALCULATIONS\n",
+ "T1= T+(-hf/((R)*((k/(k-1))+(0.2+4.5144)*(k1/(k1-1)))))\n",
+ "Bin= 0\n",
+ "dh= (k1*R/(k1-1))*(T1-T)\n",
+ "dh1= (k1*R/(k1-1))*math.log((273.15+T1)/(273.15+T))\n",
+ "H= dh-(273.15+T)*dh1\n",
+ "h= (k*R/(k-1))*(T1-T)+hf\n",
+ "h1= (k*R/(k-1))*math.log((273.15+T1)/(273.15+T))+((hf-gf)/(273.15+T))\n",
+ "h2= h-(273.15+T)*h1\n",
+ "Bout= (h2+(0.2+4.5144)*H)/M\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('outlet temperature=',T1,'C')\n",
+ "print'%s %.f %s'%('energy of formation=',Bin,'J')\n",
+ "print'%s %.f %s'%('energy at outlet=',H,'kJ/kmol')\n",
+ "print'%s %.f %s'%('energy of the products=',Bout,'k')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "outlet temperature= 2057.82 C\n",
+ "energy of formation= 0 J\n",
+ "energy at outlet= 46519 kJ/kmol\n",
+ "energy of the products= -9961 k\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example10-pg427"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the change in energy and amount of air and gas and netchange in energy and percent change in energy\n",
+ "##initialisation of variables\n",
+ "b= 1475.30 ##kJ/kg\n",
+ "b0= 144.44 ##kJ/kg\n",
+ "h2= 3448.6 ##kJkg\n",
+ "h1= 860.5 ##kJ/kg\n",
+ "k= 1.27 \n",
+ "k1= 1.34\n",
+ "R= 8.314 ##J/mol K\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "hg= 72596 ##kJ/kmol\n",
+ "Mc= 12 ##kg\n",
+ "n= 1.2 ##moles\n",
+ "n1= 3.76 ##moles\n",
+ "M= 32. ##gms\n",
+ "M1= 28. ##gms\n",
+ "M2= 44. ##gms\n",
+ "n2= 0.2 ##moles\n",
+ "n3= 4.512 ##moles\n",
+ "B1= 25592. ##kJ/kmol C\n",
+ "B2= 394360. ##kJ/kmol C\n",
+ "e= 0.008065\n",
+ "##CALCULATIONS\n",
+ "B= b-b0\n",
+ "Q= h2-h1\n",
+ "CpCO2= k*R/(k-1)\n",
+ "CpO2= k1*R/(k1-1)\n",
+ "Qcoal= (hg+hf)/Mc\n",
+ "mcoal= Q/(-Qcoal)\n",
+ "ncoal= mcoal/Mc\n",
+ "r= (n*M+n1*M1)/Mc\n",
+ "r1= (M2+n2*M+n3*M1)/Mc\n",
+ "mair= r*mcoal\n",
+ "mgas= r1*mcoal\n",
+ "Bfuel= (B1-B2)*e\n",
+ "Bnet= Bfuel+B\n",
+ "p= B*100/(-Bfuel)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('change in energy=',B,'kJ/kg ')\n",
+ "print'%s %.3f %s'%('amount of air=',mair,'kg/kg ')\n",
+ "print'%s %.3f %s'%('amount of gas=',mgas,'kg/kg ')\n",
+ "print'%s %.3f %s'%('net change in energy=',Bnet,'kg/kg steam ')\n",
+ "print'%s %.2f %s'%('percent energy in original fuel=',p,'percent ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in energy= 1330.86 kJ/kg \n",
+ "amount of air= 1.159 kg/kg \n",
+ "amount of gas= 1.425 kg/kg \n",
+ "net change in energy= -1643.254 kg/kg steam \n",
+ "percent energy in original fuel= 44.75 percent \n"
+ ]
+ }
+ ],
+ "prompt_number": 13
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter19_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter19_2.ipynb new file mode 100755 index 00000000..fd5d0f72 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter19_2.ipynb @@ -0,0 +1,472 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:62da0bbd390eac5357f5f997103c8800ba34f828bad9afe3f011ec1444ac1334"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter19-Chemical reactions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Example1-pg 404"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate fuel ratio and excess air and emass air-fuel ratio\n",
+ "##initialisation of variables\n",
+ "pN2= 79. ##percent\n",
+ "VN2= 82.3 ##m^3\n",
+ "VCO2= 8. ##m^3\n",
+ "VCO= 0.9 ##m^3\n",
+ "M= 32. ##gms\n",
+ "M1= 28. ##gms\n",
+ "##CALCULATIONS\n",
+ "P= (pN2/(100-pN2))\n",
+ "z= VN2/P\n",
+ "x= VCO2+VCO\n",
+ "w= VCO2+(VCO/2)+(VCO2/10)\n",
+ "y= 2*w\n",
+ "r= y/x\n",
+ "TO= x+(y/4)\n",
+ "X= (z/TO)-1\n",
+ "AF= z*(M+P*M1)/(12*x+y)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('fuel ratio=',r,'')\n",
+ "print'%s %.3f %s'%('excess air=',X,'')\n",
+ "print'%s %.2f %s'%('emass air-fuel ratio=',AF,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "fuel ratio= 2.079 \n",
+ "excess air= 0.618 \n",
+ "emass air-fuel ratio= 23.98 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 410"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat interaction\n",
+ "##initialisation of variables\n",
+ "m1= 24. ##kg\n",
+ "M1= 32. ##kg\n",
+ "m2= 28. ##kg\n",
+ "M2= 28. ##kg\n",
+ "e= 0.5\n",
+ "T3= 1800. ##C\n",
+ "T0= 25. ##C\n",
+ "T1= 25. ##C\n",
+ "T2= 100. ##C\n",
+ "R= 8.314 ##Jmol K\n",
+ "cp= 4.57 ##J/mol K\n",
+ "cp1= 3.5 ##J/mol K\n",
+ "cp2= 3.5 ##J/mol K\n",
+ "hCO2= -393522. ##J\n",
+ "hCO= -110529. ##J\n",
+ "##CALCULATIONS\n",
+ "n1= m1/M1\n",
+ "n2= m2/M2\n",
+ "N= n1-0.5*e\n",
+ "N1= n2-e\n",
+ "N2= e\n",
+ "N3= N+N1+N2\n",
+ "y1= N/N3\n",
+ "Q= ((N*cp+N1*cp1+N2*cp2)*R*(T3-T0)-(n1*cp*(T1-T0)+n2*cp2*(T2-T1))+N*(hCO2-hCO))/60.\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%(' Heat interaction=',Q,'kW ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Heat interaction= -940 kW \n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 412"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate adiabatic flame temperature\n",
+ "##initialisation of variables\n",
+ "T0= 25. ##C\n",
+ "T1= 220. ##C\n",
+ "hCO2= -393520 ##kJ/kg\n",
+ "hH2O= -241830 ##kJ/kg\n",
+ "hC3H8= -103850 ##kJ/kg= 1.4\n",
+ "R= 8.314 ##Jmol K\n",
+ "k= 1.4\n",
+ "k1= 1.29\n",
+ "##CALCULATIONS\n",
+ "T= T0+((15*(R*(k/(k-1)))*4.762*(T1-T0)-(3*hCO2+4*hH2O-hC3H8))/(R*((3+4)*(k1/(k1-1))+(10+56.43)*(k/(k-1)))))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('adiabatic flame temperature=',T,'C ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "adiabatic flame temperature= 1142.4 C \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 415"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy formation\n",
+ "##initialisation of variables\n",
+ "T= 25. ##C\n",
+ "hfT= -241820 ##kJ/kmol\n",
+ "R= 8.314 ##J/mol K\n",
+ "k= 1.4\n",
+ "cpH2O= 4.45\n",
+ "cpO2= 3.5\n",
+ "T1= 1000. ##C\n",
+ "##CALCULATIONS\n",
+ "S= (cpH2O-k*cpO2)\n",
+ "hfT1= hfT+S*(T1-T)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('enthalpy formation=',hfT1,'kJ/kmol ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy formation= -242259 kJ/kmol \n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 418"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate equlibrium constant at K and KT1\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 25. ##C\n",
+ "gf= 16590. ##kJ/kmol\n",
+ "T1= 500. ##C\n",
+ "Cp= 4.157 ##J/mol K\n",
+ "hf= -46190 ##kJ/kmol\n",
+ "e=0.5\n",
+ "##CALCULATIONS\n",
+ "K=math.pow(math.e,gf/(R*(273.15+T)))\n",
+ "r= (1-((273.15+T)/(273.15+T1)))*((hf/(R*(273.15+T)))+(R/Cp))-2*math.log((273.15+T1)/(273.15+T))+0.6\n",
+ "KT1= K*math.pow(math.e,r)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('equilibrium constant=',K,'bar^-1 ')\n",
+ "print'%s %.5f %s'%('equilibrium constant=',KT1,'bar^-1 ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium constant= 806.5 bar^-1 \n",
+ "equilibrium constant= 0.00797 bar^-1 \n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg 419"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what equilibrium constant at T1 and T2\n",
+ "##initialisation of variables\n",
+ "uCO2= -394374 ##J/mol\n",
+ "uCO= -137150 ##J/mol\n",
+ "uO2= 0.\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 25. ##C\n",
+ "cpCO2= 4.57 ##J/mol K\n",
+ "cpCO= 3.5 ##J/mol K\n",
+ "cpO2= 3.5 ##J/mol K\n",
+ "T1= 1500. ##C\n",
+ "hf= -393522 ##kJ/kmol\n",
+ "gf= -110529 ##kJ/kmol\n",
+ "T2= 2500. ##C\n",
+ "##CALCULATIONS\n",
+ "r= -(uCO2-uCO-0.5*uO2)/(R*(273.15+T))\n",
+ "s= (cpCO2-cpCO-0.5*cpO2)\n",
+ "r1= (1-((273.15+T)/(273.15+T1)))*((hf-gf)/(R*(273.15+T))-s)+s*math.log((273.15+T1)/(273.15+T))\n",
+ "KT1= math.pow(math.e,r+r1)\n",
+ "r2= (1-((273.15+T)/(273.15+T2)))*((hf-gf)/(R*(273.15+T))-s)+s*math.log((273.15+T2)/(273.15+T))\n",
+ "KT2= math.pow(math.e,r+r2)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('equilibrium constant at T1=',KT1,'C ')\n",
+ "print'%s %.3f %s'%('equilibrium constant at T2=',KT2,'C ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium constant at T1= 3477 C \n",
+ "equilibrium constant at T2= 2.635 C \n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg422"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is maximum work of given variable \n",
+ "##initialisation of variables\n",
+ "Wc= 12. ##kg\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "gf= -394360 ##kJ/kmol\n",
+ "##CALCULATIONS\n",
+ "Wmax= -gf/Wc\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('maximum work=',Wmax,'kJ/kg of carbon ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "maximum work= 32863 kJ/kg of carbon \n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example9-pg423"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the outlet temperature and energy of formation and energy out let and energy of the products\n",
+ "##initialisation of variables\n",
+ "T= 25 ##C\n",
+ "R= 8.314 ##Jmol K\n",
+ "k= 1.27\n",
+ "k1= 1.34\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "M= 28 ##gms\n",
+ "gf= -394360 ##kJ/kmol\n",
+ "M= 12 ##gms\n",
+ "##CALCULATIONS\n",
+ "T1= T+(-hf/((R)*((k/(k-1))+(0.2+4.5144)*(k1/(k1-1)))))\n",
+ "Bin= 0\n",
+ "dh= (k1*R/(k1-1))*(T1-T)\n",
+ "dh1= (k1*R/(k1-1))*math.log((273.15+T1)/(273.15+T))\n",
+ "H= dh-(273.15+T)*dh1\n",
+ "h= (k*R/(k-1))*(T1-T)+hf\n",
+ "h1= (k*R/(k-1))*math.log((273.15+T1)/(273.15+T))+((hf-gf)/(273.15+T))\n",
+ "h2= h-(273.15+T)*h1\n",
+ "Bout= (h2+(0.2+4.5144)*H)/M\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('outlet temperature=',T1,'C')\n",
+ "print'%s %.f %s'%('energy of formation=',Bin,'J')\n",
+ "print'%s %.f %s'%('energy at outlet=',H,'kJ/kmol')\n",
+ "print'%s %.f %s'%('energy of the products=',Bout,'k')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "outlet temperature= 2057.82 C\n",
+ "energy of formation= 0 J\n",
+ "energy at outlet= 46519 kJ/kmol\n",
+ "energy of the products= -9961 k\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example10-pg427"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the change in energy and amount of air and gas and netchange in energy and percent change in energy\n",
+ "##initialisation of variables\n",
+ "b= 1475.30 ##kJ/kg\n",
+ "b0= 144.44 ##kJ/kg\n",
+ "h2= 3448.6 ##kJkg\n",
+ "h1= 860.5 ##kJ/kg\n",
+ "k= 1.27 \n",
+ "k1= 1.34\n",
+ "R= 8.314 ##J/mol K\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "hg= 72596 ##kJ/kmol\n",
+ "Mc= 12 ##kg\n",
+ "n= 1.2 ##moles\n",
+ "n1= 3.76 ##moles\n",
+ "M= 32. ##gms\n",
+ "M1= 28. ##gms\n",
+ "M2= 44. ##gms\n",
+ "n2= 0.2 ##moles\n",
+ "n3= 4.512 ##moles\n",
+ "B1= 25592. ##kJ/kmol C\n",
+ "B2= 394360. ##kJ/kmol C\n",
+ "e= 0.008065\n",
+ "##CALCULATIONS\n",
+ "B= b-b0\n",
+ "Q= h2-h1\n",
+ "CpCO2= k*R/(k-1)\n",
+ "CpO2= k1*R/(k1-1)\n",
+ "Qcoal= (hg+hf)/Mc\n",
+ "mcoal= Q/(-Qcoal)\n",
+ "ncoal= mcoal/Mc\n",
+ "r= (n*M+n1*M1)/Mc\n",
+ "r1= (M2+n2*M+n3*M1)/Mc\n",
+ "mair= r*mcoal\n",
+ "mgas= r1*mcoal\n",
+ "Bfuel= (B1-B2)*e\n",
+ "Bnet= Bfuel+B\n",
+ "p= B*100/(-Bfuel)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('change in energy=',B,'kJ/kg ')\n",
+ "print'%s %.3f %s'%('amount of air=',mair,'kg/kg ')\n",
+ "print'%s %.3f %s'%('amount of gas=',mgas,'kg/kg ')\n",
+ "print'%s %.3f %s'%('net change in energy=',Bnet,'kg/kg steam ')\n",
+ "print'%s %.2f %s'%('percent energy in original fuel=',p,'percent ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in energy= 1330.86 kJ/kg \n",
+ "amount of air= 1.159 kg/kg \n",
+ "amount of gas= 1.425 kg/kg \n",
+ "net change in energy= -1643.254 kg/kg steam \n",
+ "percent energy in original fuel= 44.75 percent \n"
+ ]
+ }
+ ],
+ "prompt_number": 13
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter19_3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter19_3.ipynb new file mode 100755 index 00000000..95c7b0c1 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter19_3.ipynb @@ -0,0 +1,514 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:9d79eec6ce58c29eedc2099ff08aa61dc95a4086cf18a82c8aaaa70d00549f3b"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter19-Chemical reactions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Example1-pg 528"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate fuel ratio and excess air and emass air-fuel ratio\n",
+ "##initialisation of variables\n",
+ "pN2= 79. ##percent\n",
+ "VN2= 82.3 ##m^3\n",
+ "VCO2= 8. ##m^3\n",
+ "VCO= 0.9 ##m^3\n",
+ "M= 32. ##gms\n",
+ "M1= 28. ##gms\n",
+ "##CALCULATIONS\n",
+ "P= (pN2/(100-pN2))\n",
+ "z= VN2/P\n",
+ "x= VCO2+VCO\n",
+ "w= VCO2+(VCO/2)+(VCO2/10)\n",
+ "y= 2*w\n",
+ "r= y/x\n",
+ "TO= x+(y/4)\n",
+ "X= (z/TO)-1\n",
+ "AF= z*(M+P*M1)/(12*x+y)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('fuel ratio=',r,'')\n",
+ "print'%s %.3f %s'%('excess air=',X,'')\n",
+ "print'%s %.2f %s'%('emass air-fuel ratio=',AF,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "fuel ratio= 2.079 \n",
+ "excess air= 0.618 \n",
+ "emass air-fuel ratio= 23.98 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 534"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat interaction\n",
+ "##initialisation of variables\n",
+ "m1= 24. ##kg\n",
+ "M1= 32. ##kg\n",
+ "m2= 28. ##kg\n",
+ "M2= 28. ##kg\n",
+ "e= 0.5\n",
+ "T3= 1800. ##C\n",
+ "T0= 25. ##C\n",
+ "T1= 25. ##C\n",
+ "T2= 100. ##C\n",
+ "R= 8.314 ##Jmol K\n",
+ "cp= 4.57 ##J/mol K\n",
+ "cp1= 3.5 ##J/mol K\n",
+ "cp2= 3.5 ##J/mol K\n",
+ "hCO2= -393522. ##J\n",
+ "hCO= -110529. ##J\n",
+ "##CALCULATIONS\n",
+ "n1= m1/M1\n",
+ "n2= m2/M2\n",
+ "N= n1-0.5*e\n",
+ "N1= n2-e\n",
+ "N2= e\n",
+ "N3= N+N1+N2\n",
+ "y1= N/N3\n",
+ "Q= ((N*cp+N1*cp1+N2*cp2)*R*(T3-T0)-(n1*cp*(T1-T0)+n2*cp2*(T2-T1))+N*(hCO2-hCO))/60.\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%(' Heat interaction=',Q,'kW ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Heat interaction= -940 kW \n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex3-pg536"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "##initialisation of variables\n",
+ "hCO2= -393520. ##kJ/kg mol\n",
+ "hH2O= -285840. ##kJ/kg mol\n",
+ "hC7H16= -187820. ##kJ/kg mol\n",
+ "M= 100\n",
+ "hH2O1= -241830. ##kJkg mol\n",
+ "##CALCULATIONS\n",
+ "HHV= -(7*hCO2+8.*hH2O-hC7H16)/M\n",
+ "LLV= -(7*hCO2+8.*hH2O1-hC7H16)/M\n",
+ "#RESULTS\n",
+ "print'%s %.2f %s'% (' Higher heating vlue= ',HHV,' kJ/kg mol ')\n",
+ "print'%s %.2f %s'% (' Lower heating vlue= ',LLV,' kJ/kg mol ')\n",
+ "#round off error\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Higher heating vlue= 48535.40 kJ/kg mol \n",
+ " Lower heating vlue= 45014.60 kJ/kg mol \n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 537"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate adiabatic flame temperature\n",
+ "##initialisation of variables\n",
+ "T0= 25. ##C\n",
+ "T1= 220. ##C\n",
+ "hCO2= -393520 ##kJ/kg\n",
+ "hH2O= -241830 ##kJ/kg\n",
+ "hC3H8= -103850 ##kJ/kg= 1.4\n",
+ "R= 8.314 ##Jmol K\n",
+ "k= 1.4\n",
+ "k1= 1.29\n",
+ "##CALCULATIONS\n",
+ "T= T0+((15*(R*(k/(k-1)))*4.762*(T1-T0)-(3*hCO2+4*hH2O-hC3H8))/(R*((3+4)*(k1/(k1-1))+(10+56.43)*(k/(k-1)))))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('adiabatic flame temperature=',T,'C ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "adiabatic flame temperature= 1142.4 C \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 415"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy formation\n",
+ "##initialisation of variables\n",
+ "T= 25. ##C\n",
+ "hfT= -241820 ##kJ/kmol\n",
+ "R= 8.314 ##J/mol K\n",
+ "k= 1.4\n",
+ "cpH2O= 4.45\n",
+ "cpO2= 3.5\n",
+ "T1= 1000. ##C\n",
+ "##CALCULATIONS\n",
+ "S= (cpH2O-k*cpO2)\n",
+ "hfT1= hfT+S*(T1-T)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('enthalpy formation=',hfT1,'kJ/kmol ')\n",
+ "#there is error because of round off error \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy formation= -242259 kJ/kmol \n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg 545"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate equlibrium constant at K and KT1\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 25. ##C\n",
+ "gf= 16590. ##kJ/kmol\n",
+ "T1= 500. ##C\n",
+ "Cp= 4.157 ##J/mol K\n",
+ "hf= -46190 ##kJ/kmol\n",
+ "e=0.5\n",
+ "##CALCULATIONS\n",
+ "K=math.pow(math.e,gf/(R*(273.15+T)))\n",
+ "r= (1-((273.15+T)/(273.15+T1)))*((hf/(R*(273.15+T)))+(R/Cp))-2*math.log((273.15+T1)/(273.15+T))+0.6\n",
+ "KT1= K*math.pow(math.e,r)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('equilibrium constant=',K,'bar^-1 ')\n",
+ "print'%s %.5f %s'%('equilibrium constant=',KT1,'bar^-1 ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium constant= 806.5 bar^-1 \n",
+ "equilibrium constant= 0.00797 bar^-1 \n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg 546"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what equilibrium constant at T1 and T2\n",
+ "##initialisation of variables\n",
+ "uCO2= -394374 ##J/mol\n",
+ "uCO= -137150 ##J/mol\n",
+ "uO2= 0.\n",
+ "R= 8.314 ##J/mol K\n",
+ "T= 25. ##C\n",
+ "cpCO2= 4.57 ##J/mol K\n",
+ "cpCO= 3.5 ##J/mol K\n",
+ "cpO2= 3.5 ##J/mol K\n",
+ "T1= 1500. ##C\n",
+ "hf= -393522 ##kJ/kmol\n",
+ "gf= -110529 ##kJ/kmol\n",
+ "T2= 2500. ##C\n",
+ "##CALCULATIONS\n",
+ "r= -(uCO2-uCO-0.5*uO2)/(R*(273.15+T))\n",
+ "s= (cpCO2-cpCO-0.5*cpO2)\n",
+ "r1= (1-((273.15+T)/(273.15+T1)))*((hf-gf)/(R*(273.15+T))-s)+s*math.log((273.15+T1)/(273.15+T))\n",
+ "KT1= math.pow(math.e,r+r1)\n",
+ "r2= (1-((273.15+T)/(273.15+T2)))*((hf-gf)/(R*(273.15+T))-s)+s*math.log((273.15+T2)/(273.15+T))\n",
+ "KT2= math.pow(math.e,r+r2)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('equilibrium constant at T1=',KT1,'C ')\n",
+ "print'%s %.3f %s'%('equilibrium constant at T2=',KT2,'C ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "equilibrium constant at T1= 3477 C \n",
+ "equilibrium constant at T2= 2.635 C \n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example9-pg548"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#what is maximum work of given variable \n",
+ "##initialisation of variables\n",
+ "Wc= 12. ##kg\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "gf= -394360 ##kJ/kmol\n",
+ "##CALCULATIONS\n",
+ "Wmax= -gf/Wc\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('maximum work=',Wmax,'kJ/kg of carbon ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "maximum work= 32863 kJ/kg of carbon \n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example10-pg549"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the outlet temperature and energy of formation and energy out let and energy of the products\n",
+ "##initialisation of variables\n",
+ "T= 25 ##C\n",
+ "R= 8.314 ##Jmol K\n",
+ "k= 1.27\n",
+ "k1= 1.34\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "M= 28 ##gms\n",
+ "gf= -394360 ##kJ/kmol\n",
+ "M= 12 ##gms\n",
+ "##CALCULATIONS\n",
+ "T1= T+(-hf/((R)*((k/(k-1))+(0.2+4.5144)*(k1/(k1-1)))))\n",
+ "Bin= 0\n",
+ "dh= (k1*R/(k1-1))*(T1-T)\n",
+ "dh1= (k1*R/(k1-1))*math.log((273.15+T1)/(273.15+T))\n",
+ "H= dh-(273.15+T)*dh1\n",
+ "h= (k*R/(k-1))*(T1-T)+hf\n",
+ "h1= (k*R/(k-1))*math.log((273.15+T1)/(273.15+T))+((hf-gf)/(273.15+T))\n",
+ "h2= h-(273.15+T)*h1\n",
+ "Bout= (h2+(0.2+4.5144)*H)/M\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('outlet temperature=',T1,'C')\n",
+ "print'%s %.f %s'%('energy of formation=',Bin,'J')\n",
+ "print'%s %.f %s'%('energy at outlet=',H,'kJ/kmol')\n",
+ "print'%s %.f %s'%('energy of the products=',Bout,'k')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "outlet temperature= 2057.82 C\n",
+ "energy of formation= 0 J\n",
+ "energy at outlet= 46519 kJ/kmol\n",
+ "energy of the products= -9961 k\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example11-pg553"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the change in energy and amount of air and gas and netchange in energy and percent change in energy\n",
+ "##initialisation of variables\n",
+ "b= 1475.30 ##kJ/kg\n",
+ "b0= 144.44 ##kJ/kg\n",
+ "h2= 3448.6 ##kJkg\n",
+ "h1= 860.5 ##kJ/kg\n",
+ "k= 1.27 \n",
+ "k1= 1.34\n",
+ "R= 8.314 ##J/mol K\n",
+ "hf= -393520 ##kJ/kmol\n",
+ "hg= 72596 ##kJ/kmol\n",
+ "Mc= 12 ##kg\n",
+ "n= 1.2 ##moles\n",
+ "n1= 3.76 ##moles\n",
+ "M= 32. ##gms\n",
+ "M1= 28. ##gms\n",
+ "M2= 44. ##gms\n",
+ "n2= 0.2 ##moles\n",
+ "n3= 4.512 ##moles\n",
+ "B1= 25592. ##kJ/kmol C\n",
+ "B2= 394360. ##kJ/kmol C\n",
+ "e= 0.008065\n",
+ "##CALCULATIONS\n",
+ "B= b-b0\n",
+ "Q= h2-h1\n",
+ "CpCO2= k*R/(k-1)\n",
+ "CpO2= k1*R/(k1-1)\n",
+ "Qcoal= (hg+hf)/Mc\n",
+ "mcoal= Q/(-Qcoal)\n",
+ "ncoal= mcoal/Mc\n",
+ "r= (n*M+n1*M1)/Mc\n",
+ "r1= (M2+n2*M+n3*M1)/Mc\n",
+ "mair= r*mcoal\n",
+ "mgas= r1*mcoal\n",
+ "Bfuel= (B1-B2)*e\n",
+ "Bnet= Bfuel+B\n",
+ "p= B*100/(-Bfuel)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('change in energy=',B,'kJ/kg ')\n",
+ "print'%s %.3f %s'%('amount of air=',mair,'kg/kg ')\n",
+ "print'%s %.3f %s'%('amount of gas=',mgas,'kg/kg ')\n",
+ "print'%s %.3f %s'%('net change in energy=',Bnet,'kg/kg steam ')\n",
+ "print'%s %.2f %s'%('percent energy in original fuel=',p,'percent ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in energy= 1330.86 kJ/kg \n",
+ "amount of air= 1.159 kg/kg \n",
+ "amount of gas= 1.425 kg/kg \n",
+ "net change in energy= -1643.254 kg/kg steam \n",
+ "percent energy in original fuel= 44.75 percent \n"
+ ]
+ }
+ ],
+ "prompt_number": 13
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter5-the_ideal_gas.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter5-the_ideal_gas.ipynb new file mode 100755 index 00000000..7ebf1310 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter5-the_ideal_gas.ipynb @@ -0,0 +1,166 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:4e735a3e117e4e268af257af7ccec75bd1ac3fad4a8f848db2d81766258e8e27"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter5 -The ideal gas"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 66"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate specific volumes at given pressure\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 18.016 ##gms\n",
+ "T= 400. ##C\n",
+ "p= 0.01 ##Mpa\n",
+ "p1= 0.1 ##Mpa\n",
+ "p2= 20. ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v= R*(273.156+T)/(M*p*1000)\n",
+ "v1= R*(273.156+T)/(M*p1*1000)\n",
+ "v2= R*(273.156+T)/(M*p2*1000)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' specific voulme =',v,'m^3/kg')\n",
+ "print'%s %.3f %s'%('specific voulme = ', v1,'m^3/kg')\n",
+ "print'%s %.3f %s'%('specific voulme = ',v2,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " specific voulme = 31.065 m^3/kg\n",
+ "specific voulme = 3.106 m^3/kg\n",
+ "specific voulme = 0.016 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 3-pg73 "
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperature and pressure and work ,energy\n",
+ "##initialisation of variables\n",
+ "p1= 300.##kPa\n",
+ "V1= 0.03 ##m^3\n",
+ "V2= 0.08 ##m^3\n",
+ "T1= 27. ##C\n",
+ "##CALCULATIONS1\n",
+ "T2= T1+273\n",
+ "p2= p1*(V1/V2)*(T2/(T1+273))\n",
+ "W= 0\n",
+ "Q= 0\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('final temperature =',T2,'K')\n",
+ "print'%s %.1f %s'%('final pressure =',p2,'kPa')\n",
+ "print'%s %.f %s'%('work = ',W,'kJ')\n",
+ "print'%s %.f %s'%('energy =',Q,'kJ')\n",
+ " \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature = 300.00 K\n",
+ "final pressure = 112.5 kPa\n",
+ "work = 0 kJ\n",
+ "energy = 0 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4 -pg74\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate mass of nitrogen and final temperature and piston rise\n",
+ "##initialisation of variables\n",
+ "p1= 2. ##Mpa\n",
+ "V1= 0.2 ##m^3\n",
+ "R= 8.314 ##J/mol K\n",
+ "T1= 500. ##C\n",
+ "M= 28. ##gms\n",
+ "p2= 0.3 ##Mpa\n",
+ "T2= 250 ##C\n",
+ "k= 1.4\n",
+ "A= 0.1 ##m^2\n",
+ "##CALCULATIONS\n",
+ "m1= p1*10*10*10*V1*M/(R*(273.15+T1))\n",
+ "m2= p2*10*10*10*V1*M/(R*(273.15+T2))\n",
+ "m3= -(m2-m1)\n",
+ "T3= (m1*(273.15+T1)-m2*(273.15+T2))/(k*m3)\n",
+ "z3= m3*R*T3/(p2*10*10*10*A*M)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%(' mass of nitrogen =',m3,'kg')\n",
+ "print'%s %.1f %s'%('final temperature =',T3,'K')\n",
+ "print'%s %.2f %s'%('piston rise =',z3,'m')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " mass of nitrogen = 1.3561 kg\n",
+ "final temperature = 603.1 K\n",
+ "piston rise = 8.10 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter5.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter5.ipynb new file mode 100755 index 00000000..63ce2dea --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter5.ipynb @@ -0,0 +1,166 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:38617d08dc78615a27f3bb0a8bac191fa91e9820c1bc63b1ee3f0d39bccfa426"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter5 -the ideal gas"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 66"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate specific volumes at given pressure\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 18.016 ##gms\n",
+ "T= 400. ##C\n",
+ "p= 0.01 ##Mpa\n",
+ "p1= 0.1 ##Mpa\n",
+ "p2= 20. ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v= R*(273.156+T)/(M*p*1000)\n",
+ "v1= R*(273.156+T)/(M*p1*1000)\n",
+ "v2= R*(273.156+T)/(M*p2*1000)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' specific voulme =',v,'m^3/kg')\n",
+ "print'%s %.3f %s'%('specific voulme = ', v1,'m^3/kg')\n",
+ "print'%s %.3f %s'%('specific voulme = ',v2,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " specific voulme = 31.065 m^3/kg\n",
+ "specific voulme = 3.106 m^3/kg\n",
+ "specific voulme = 0.016 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 3-pg73 "
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperature and pressure and work ,energy\n",
+ "##initialisation of variables\n",
+ "p1= 300.##kPa\n",
+ "V1= 0.03 ##m^3\n",
+ "V2= 0.08 ##m^3\n",
+ "T1= 27. ##C\n",
+ "##CALCULATIONS1\n",
+ "T2= T1+273\n",
+ "p2= p1*(V1/V2)*(T2/(T1+273))\n",
+ "W= 0\n",
+ "Q= 0\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('final temperature =',T2,'K')\n",
+ "print'%s %.1f %s'%('final pressure =',p2,'kPa')\n",
+ "print'%s %.f %s'%('work = ',W,'kJ')\n",
+ "print'%s %.f %s'%('energy =',Q,'kJ')\n",
+ " \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature = 300.00 K\n",
+ "final pressure = 112.5 kPa\n",
+ "work = 0 kJ\n",
+ "energy = 0 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4 -pg74\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate mass of nitrogen and final temperature and piston rise\n",
+ "##initialisation of variables\n",
+ "p1= 2. ##Mpa\n",
+ "V1= 0.2 ##m^3\n",
+ "R= 8.314 ##J/mol K\n",
+ "T1= 500. ##C\n",
+ "M= 28. ##gms\n",
+ "p2= 0.3 ##Mpa\n",
+ "T2= 250 ##C\n",
+ "k= 1.4\n",
+ "A= 0.1 ##m^2\n",
+ "##CALCULATIONS\n",
+ "m1= p1*10*10*10*V1*M/(R*(273.15+T1))\n",
+ "m2= p2*10*10*10*V1*M/(R*(273.15+T2))\n",
+ "m3= -(m2-m1)\n",
+ "T3= (m1*(273.15+T1)-m2*(273.15+T2))/(k*m3)\n",
+ "z3= m3*R*T3/(p2*10*10*10*A*M)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%(' mass of nitrogen =',m3,'kg')\n",
+ "print'%s %.1f %s'%('final temperature =',T3,'K')\n",
+ "print'%s %.2f %s'%('piston rise =',z3,'m')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " mass of nitrogen = 1.3561 kg\n",
+ "final temperature = 603.1 K\n",
+ "piston rise = 8.10 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter5_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter5_1.ipynb new file mode 100755 index 00000000..7ebf1310 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter5_1.ipynb @@ -0,0 +1,166 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:4e735a3e117e4e268af257af7ccec75bd1ac3fad4a8f848db2d81766258e8e27"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter5 -The ideal gas"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 66"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate specific volumes at given pressure\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 18.016 ##gms\n",
+ "T= 400. ##C\n",
+ "p= 0.01 ##Mpa\n",
+ "p1= 0.1 ##Mpa\n",
+ "p2= 20. ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v= R*(273.156+T)/(M*p*1000)\n",
+ "v1= R*(273.156+T)/(M*p1*1000)\n",
+ "v2= R*(273.156+T)/(M*p2*1000)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' specific voulme =',v,'m^3/kg')\n",
+ "print'%s %.3f %s'%('specific voulme = ', v1,'m^3/kg')\n",
+ "print'%s %.3f %s'%('specific voulme = ',v2,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " specific voulme = 31.065 m^3/kg\n",
+ "specific voulme = 3.106 m^3/kg\n",
+ "specific voulme = 0.016 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 3-pg73 "
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperature and pressure and work ,energy\n",
+ "##initialisation of variables\n",
+ "p1= 300.##kPa\n",
+ "V1= 0.03 ##m^3\n",
+ "V2= 0.08 ##m^3\n",
+ "T1= 27. ##C\n",
+ "##CALCULATIONS1\n",
+ "T2= T1+273\n",
+ "p2= p1*(V1/V2)*(T2/(T1+273))\n",
+ "W= 0\n",
+ "Q= 0\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('final temperature =',T2,'K')\n",
+ "print'%s %.1f %s'%('final pressure =',p2,'kPa')\n",
+ "print'%s %.f %s'%('work = ',W,'kJ')\n",
+ "print'%s %.f %s'%('energy =',Q,'kJ')\n",
+ " \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature = 300.00 K\n",
+ "final pressure = 112.5 kPa\n",
+ "work = 0 kJ\n",
+ "energy = 0 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4 -pg74\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate mass of nitrogen and final temperature and piston rise\n",
+ "##initialisation of variables\n",
+ "p1= 2. ##Mpa\n",
+ "V1= 0.2 ##m^3\n",
+ "R= 8.314 ##J/mol K\n",
+ "T1= 500. ##C\n",
+ "M= 28. ##gms\n",
+ "p2= 0.3 ##Mpa\n",
+ "T2= 250 ##C\n",
+ "k= 1.4\n",
+ "A= 0.1 ##m^2\n",
+ "##CALCULATIONS\n",
+ "m1= p1*10*10*10*V1*M/(R*(273.15+T1))\n",
+ "m2= p2*10*10*10*V1*M/(R*(273.15+T2))\n",
+ "m3= -(m2-m1)\n",
+ "T3= (m1*(273.15+T1)-m2*(273.15+T2))/(k*m3)\n",
+ "z3= m3*R*T3/(p2*10*10*10*A*M)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%(' mass of nitrogen =',m3,'kg')\n",
+ "print'%s %.1f %s'%('final temperature =',T3,'K')\n",
+ "print'%s %.2f %s'%('piston rise =',z3,'m')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " mass of nitrogen = 1.3561 kg\n",
+ "final temperature = 603.1 K\n",
+ "piston rise = 8.10 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter5_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter5_2.ipynb new file mode 100755 index 00000000..7ebf1310 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter5_2.ipynb @@ -0,0 +1,166 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:4e735a3e117e4e268af257af7ccec75bd1ac3fad4a8f848db2d81766258e8e27"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter5 -The ideal gas"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 66"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate specific volumes at given pressure\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 18.016 ##gms\n",
+ "T= 400. ##C\n",
+ "p= 0.01 ##Mpa\n",
+ "p1= 0.1 ##Mpa\n",
+ "p2= 20. ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v= R*(273.156+T)/(M*p*1000)\n",
+ "v1= R*(273.156+T)/(M*p1*1000)\n",
+ "v2= R*(273.156+T)/(M*p2*1000)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' specific voulme =',v,'m^3/kg')\n",
+ "print'%s %.3f %s'%('specific voulme = ', v1,'m^3/kg')\n",
+ "print'%s %.3f %s'%('specific voulme = ',v2,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " specific voulme = 31.065 m^3/kg\n",
+ "specific voulme = 3.106 m^3/kg\n",
+ "specific voulme = 0.016 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 3-pg73 "
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperature and pressure and work ,energy\n",
+ "##initialisation of variables\n",
+ "p1= 300.##kPa\n",
+ "V1= 0.03 ##m^3\n",
+ "V2= 0.08 ##m^3\n",
+ "T1= 27. ##C\n",
+ "##CALCULATIONS1\n",
+ "T2= T1+273\n",
+ "p2= p1*(V1/V2)*(T2/(T1+273))\n",
+ "W= 0\n",
+ "Q= 0\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('final temperature =',T2,'K')\n",
+ "print'%s %.1f %s'%('final pressure =',p2,'kPa')\n",
+ "print'%s %.f %s'%('work = ',W,'kJ')\n",
+ "print'%s %.f %s'%('energy =',Q,'kJ')\n",
+ " \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature = 300.00 K\n",
+ "final pressure = 112.5 kPa\n",
+ "work = 0 kJ\n",
+ "energy = 0 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4 -pg74\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate mass of nitrogen and final temperature and piston rise\n",
+ "##initialisation of variables\n",
+ "p1= 2. ##Mpa\n",
+ "V1= 0.2 ##m^3\n",
+ "R= 8.314 ##J/mol K\n",
+ "T1= 500. ##C\n",
+ "M= 28. ##gms\n",
+ "p2= 0.3 ##Mpa\n",
+ "T2= 250 ##C\n",
+ "k= 1.4\n",
+ "A= 0.1 ##m^2\n",
+ "##CALCULATIONS\n",
+ "m1= p1*10*10*10*V1*M/(R*(273.15+T1))\n",
+ "m2= p2*10*10*10*V1*M/(R*(273.15+T2))\n",
+ "m3= -(m2-m1)\n",
+ "T3= (m1*(273.15+T1)-m2*(273.15+T2))/(k*m3)\n",
+ "z3= m3*R*T3/(p2*10*10*10*A*M)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%(' mass of nitrogen =',m3,'kg')\n",
+ "print'%s %.1f %s'%('final temperature =',T3,'K')\n",
+ "print'%s %.2f %s'%('piston rise =',z3,'m')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " mass of nitrogen = 1.3561 kg\n",
+ "final temperature = 603.1 K\n",
+ "piston rise = 8.10 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter5_3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter5_3.ipynb new file mode 100755 index 00000000..d9ddc9b6 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter5_3.ipynb @@ -0,0 +1,302 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:be81f2921bd837b769765ce2f11df805d4272c8fa82950148df6411036b4a56d"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter5 -The ideal gas"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 85"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate specific volumes at given pressure\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 18.016 ##gms\n",
+ "T= 400. ##C\n",
+ "p= 0.01 ##Mpa\n",
+ "p1= 0.1 ##Mpa\n",
+ "p2= 20. ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v= R*(273.156+T)/(M*p*1000)\n",
+ "v1= R*(273.156+T)/(M*p1*1000)\n",
+ "v2= R*(273.156+T)/(M*p2*1000)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' specific voulme =',v,'m^3/kg')\n",
+ "print'%s %.3f %s'%('specific voulme = ', v1,'m^3/kg')\n",
+ "print'%s %.3f %s'%('specific voulme = ',v2,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " specific voulme = 31.065 m^3/kg\n",
+ "specific voulme = 3.106 m^3/kg\n",
+ "specific voulme = 0.016 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex3-pg87"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "##initialisation of variables\n",
+ "R=8.314\n",
+ "V= 20 ##L\n",
+ "m= 0.050 ##gms\n",
+ "M= 29 ##gms\n",
+ "T1= 20 ##C\n",
+ "T2= 150 ##C\n",
+ "k= 1.4\n",
+ "V1= 0.05 ##m**3\n",
+ "##CALCULATIONS\n",
+ "p1= m*R*(273.15+T1)/(M*(V/10))\n",
+ "p2= m*R*(273.15+T2)/(M*(V/10))\n",
+ "dU= p1*V1*(((273.15+T2)/(273.15+T1))-1)*100/(k-1)\n",
+ "dH= k*dU\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% (' intial pressure =',p1,' kPa')\n",
+ "print'%s %.2f %s'% (' final pressure = ',p2,' kPa')\n",
+ "print'%s %.2f %s'% (' internal energy = ',dU,' kJ')\n",
+ "print'%s %.2f %s'% (' enthalpy = ',dH,' kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " intial pressure = 2.10 kPa\n",
+ " final pressure = 3.03 kPa\n",
+ " internal energy = 11.65 kJ\n",
+ " enthalpy = 16.31 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex4-pg91"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "T1= 200 ##K\n",
+ "p= 600 ##kPa\n",
+ "p1= 50 ##kPa\n",
+ "n= 1.8\n",
+ "M= 4. ##gms\n",
+ "k= 5/3.\n",
+ "m= 0.007 ##gms\n",
+ "R= 8.314 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "T2= T1*(p/p1)**((n-1)/n)\n",
+ "W= m*R*(T1-T2)/((n-1)*M)\n",
+ "Q= ((n-k)*m*R*(T2-T1))/((n-1)*(k-1)*M)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% (' final temperature = ',T2,' K')\n",
+ "print'%s %.2f %s'% (' work = ',W,' kJ')\n",
+ "print'%s %.2f %s'% (' energy = ',Q,' kJ')"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " final temperature = 603.48 K\n",
+ " work = -7.34 kJ\n",
+ " energy = 1.47 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 5-pg92 "
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperature and pressure and work ,energy\n",
+ "##initialisation of variables\n",
+ "p1= 300.##kPa\n",
+ "V1= 0.03 ##m^3\n",
+ "V2= 0.08 ##m^3\n",
+ "T1= 27. ##C\n",
+ "##CALCULATIONS1\n",
+ "T2= T1+273\n",
+ "p2= p1*(V1/V2)*(T2/(T1+273))\n",
+ "W= 0\n",
+ "Q= 0\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('final temperature =',T2,'K')\n",
+ "print'%s %.1f %s'%('final pressure =',p2,'kPa')\n",
+ "print'%s %.f %s'%('work = ',W,'kJ')\n",
+ "print'%s %.f %s'%('energy =',Q,'kJ')\n",
+ " \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature = 300.00 K\n",
+ "final pressure = 112.5 kPa\n",
+ "work = 0 kJ\n",
+ "energy = 0 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6 -pg93\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate mass of nitrogen and final temperature and piston rise\n",
+ "##initialisation of variables\n",
+ "p1= 2. ##Mpa\n",
+ "V1= 0.2 ##m^3\n",
+ "R= 8.314 ##J/mol K\n",
+ "T1= 500. ##C\n",
+ "M= 28. ##gms\n",
+ "p2= 0.3 ##Mpa\n",
+ "T2= 250 ##C\n",
+ "k= 1.4\n",
+ "A= 0.1 ##m^2\n",
+ "##CALCULATIONS\n",
+ "m1= p1*10*10*10*V1*M/(R*(273.15+T1))\n",
+ "m2= p2*10*10*10*V1*M/(R*(273.15+T2))\n",
+ "m3= -(m2-m1)\n",
+ "T3= (m1*(273.15+T1)-m2*(273.15+T2))/(k*m3)\n",
+ "z3= m3*R*T3/(p2*10*10*10*A*M)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%(' mass of nitrogen =',m3,'kg')\n",
+ "print'%s %.1f %s'%('final temperature =',T3,'K')\n",
+ "print'%s %.2f %s'%('piston rise =',z3,'m')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " mass of nitrogen = 1.3561 kg\n",
+ "final temperature = 603.1 K\n",
+ "piston rise = 8.10 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex7-pg94"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "m= 0.3 ##kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 28 ##gms\n",
+ "T1= 500. ##C\n",
+ "p1= 500. ##kPa\n",
+ "k= 1.4\n",
+ "V3= 0.3 ##m**2\n",
+ "##CALCULATIONS\n",
+ "V1= m*R*(273.15+T1)/(M*p1)\n",
+ "T3= k*(273.15+T1)\n",
+ "p3= m*R*T3*100/(M*V)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% (' final pressure =',p3,' kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " final pressure = 482.10 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter6-Control_volume.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter6-Control_volume.ipynb new file mode 100755 index 00000000..4db4d31d --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter6-Control_volume.ipynb @@ -0,0 +1,308 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:de09a4c2813282719223c840622b4f97d21f59c5103e9a20c830f4005781fd9e"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter6 -Control volume"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 83"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate diameter for given variable\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29 ##gms\n",
+ "T= 80 ##C\n",
+ "p= 104 ##/kPa\n",
+ "v= 30 ##m/sec\n",
+ "m= 8000 ##kg/h\n",
+ "##CALCULATIONS\n",
+ "V= R*(273.15+T)/(M*p)\n",
+ "A= m*V/(3600*v)\n",
+ "D=math.sqrt(4*A/math.pi)\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('diameter = ',D,'m^2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "diameter = 0.30301 m^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 88"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate intial areas\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "T1= 230. ##C\n",
+ "p1= 30. ##/bar\n",
+ "k= 1.4\n",
+ "T2= 180. ##C\n",
+ "v1= 10. ##m/s\n",
+ "p2= 20. ##bar\n",
+ "m2= 0.84 ##kg/s\n",
+ "##CALCULATIONS\n",
+ "V1= R*(273.15+T1)/(M*p1*100)\n",
+ "cp= k*R/((k-1)*M)\n",
+ "A= m2*V1*10*10*10*10/v1\n",
+ "v2= math.sqrt(v1*v1+2*cp*10*10*10*(T1-T2))\n",
+ "V2= R*(273.15+T2)/(M*p2*100)\n",
+ "A2= m2*V2*10*10*10*10/v2\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('inlet area =',A,'cm^2')\n",
+ "print'%s %.2f %s'%('inlet area =',A2,'cm^2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "inlet area = 40.4 cm^2\n",
+ "inlet area = 1.72 cm^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 89"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate quantity x and specific volume\n",
+ "##initialisation of variables\n",
+ "h= 2676.2 ##kJ/kg\n",
+ "hf= 721.11 ##kJ/kg\n",
+ "hg= 2679.1 ##kJ/kg\n",
+ "vf= 0.001115 ##m^3/kg\n",
+ "vg= 0.2404 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "x= (h-hf)/(hg-hf)\n",
+ "v1= vf+x*(vg-vf)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('quantity =',x,'')\n",
+ "print'%s %.4f %s'%('specific volume = ',v1,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "quantity = 0.9985 \n",
+ "specific volume = 0.2400 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 92"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat pump and reate heat interaction and work of the turbine and at another point rate of heat interaction and all four areas at given poin\n",
+ "##initialisation of variables\n",
+ "h4= 419.05 ##kJ/kg\n",
+ "h1= 434.92 ##kJ/kg\n",
+ "m= 2.5 ##kg/s\n",
+ "h2= 3272.4 ##kJ/kg\n",
+ "h3= 2601.7 ##kJ/kg\n",
+ "v1= 0.001401 ##m^3/kg\n",
+ "V1= 5 ##m/s\n",
+ "v2= 0.03817 ##m^3/kg\n",
+ "V2= 20. ##m/s\n",
+ "v3= 0.8415 ##m^3/kg\n",
+ "V3= 100. ##m/s\n",
+ "v4= 0.00104 ##m^3/kg\n",
+ "V4= 5 ##m/s\n",
+ "##CALCULATIONS\n",
+ "W41= m*(h4-h1)\n",
+ "Q12= m*(h2-h1)\n",
+ "W23= m*(h2-h3)\n",
+ "Q34= m*(h4-h3)\n",
+ "A1= m*v1*10*10*10*10/V1\n",
+ "A2= m*v2*10*1010*10/V2\n",
+ "A3= m*v3*10*1010*10/V3\n",
+ "A4= m*v4*10*1010*10/V4\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('rate of pump =',W41,'kW')\n",
+ "print'%s %.f %s'%('rate of heat ineraction =',Q12,'kW')\n",
+ "print'%s %.1f %s'%('rate of work of the turbine =',W23,'W')\n",
+ "print'%s %.f %s'%('rate of heat ineraction =',Q34,'kW')\n",
+ "print'%s %.2f %s'%('area =',A1,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A2,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A3,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A4,'cm^2')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "rate of pump = -39.7 kW\n",
+ "rate of heat ineraction = 7094 kW\n",
+ "rate of work of the turbine = 1676.8 W\n",
+ "rate of heat ineraction = -5457 kW\n",
+ "area = 7.00 cm^2\n",
+ "area = 481.90 cm^2\n",
+ "area = 2124.79 cm^2\n",
+ "area = 52.52 cm^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 96"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate mass of helium and temperature of helium\n",
+ "##initialisation of variables\n",
+ "m1= 0.03 ##kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "T1= 300. ##C\n",
+ "p1= 120. ##kPa\n",
+ "k= 5./3.\n",
+ "M=4. ##kg\n",
+ "p2= 600. ##kPa\n",
+ "##CALCULATIONS\n",
+ "V= m1*R*(273.15+T1)/(p1*M)\n",
+ "m2= m1*((p2/p1)+k-1)/k\n",
+ "T2= p2*V*M/(m2*R)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('mass of helium =',m2,'kg')\n",
+ "print'%s %.1f %s'%('temperature of helium =',T2,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of helium = 0.102 kg\n",
+ "temperature of helium = 842.9 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Eaxmple 6-pg97"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume of container and pressure\n",
+ "##initialisation of variables\n",
+ "m1= 0.03 ##kg\n",
+ "v1= 2.1977 ##m^3/kg\n",
+ "h2= 3073.8 ##kJ/kg\n",
+ "h1= 3061.6 ##kJ/kg\n",
+ "p2= 600. ##kPa\n",
+ "p1= 120. ##kPa\n",
+ "##CALCULATIONS\n",
+ "V=m1*v1\n",
+ "r= ((h2-h1)/v1)+p2-p1\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume of container =',V,'m^3')\n",
+ "print'%s %.2f %s'%('pressure =',r,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume of container = 0.06593 m^3\n",
+ "pressure = 485.55 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter6.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter6.ipynb new file mode 100755 index 00000000..0e7c0436 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter6.ipynb @@ -0,0 +1,308 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:b8ccd5165760dffa261415477a99582312dff66f312e3d719c763faed6ba4a02"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter6 -control volume"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 83"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate diameter for given variable\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29 ##gms\n",
+ "T= 80 ##C\n",
+ "p= 104 ##/kPa\n",
+ "v= 30 ##m/sec\n",
+ "m= 8000 ##kg/h\n",
+ "##CALCULATIONS\n",
+ "V= R*(273.15+T)/(M*p)\n",
+ "A= m*V/(3600*v)\n",
+ "D=math.sqrt(4*A/math.pi)\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('diameter = ',D,'m^2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "diameter = 0.30301 m^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 88"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate intial areas\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "T1= 230. ##C\n",
+ "p1= 30. ##/bar\n",
+ "k= 1.4\n",
+ "T2= 180. ##C\n",
+ "v1= 10. ##m/s\n",
+ "p2= 20. ##bar\n",
+ "m2= 0.84 ##kg/s\n",
+ "##CALCULATIONS\n",
+ "V1= R*(273.15+T1)/(M*p1*100)\n",
+ "cp= k*R/((k-1)*M)\n",
+ "A= m2*V1*10*10*10*10/v1\n",
+ "v2= math.sqrt(v1*v1+2*cp*10*10*10*(T1-T2))\n",
+ "V2= R*(273.15+T2)/(M*p2*100)\n",
+ "A2= m2*V2*10*10*10*10/v2\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('inlet area =',A,'cm^2')\n",
+ "print'%s %.2f %s'%('inlet area =',A2,'cm^2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "inlet area = 40.4 cm^2\n",
+ "inlet area = 1.72 cm^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 89"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate quantity x and specific volume\n",
+ "##initialisation of variables\n",
+ "h= 2676.2 ##kJ/kg\n",
+ "hf= 721.11 ##kJ/kg\n",
+ "hg= 2679.1 ##kJ/kg\n",
+ "vf= 0.001115 ##m^3/kg\n",
+ "vg= 0.2404 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "x= (h-hf)/(hg-hf)\n",
+ "v1= vf+x*(vg-vf)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('quantity =',x,'')\n",
+ "print'%s %.4f %s'%('specific volume = ',v1,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "quantity = 0.9985 \n",
+ "specific volume = 0.2400 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 92"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat pump and reate heat interaction and work of the turbine and at another point rate of heat interaction and all four areas at given poin\n",
+ "##initialisation of variables\n",
+ "h4= 419.05 ##kJ/kg\n",
+ "h1= 434.92 ##kJ/kg\n",
+ "m= 2.5 ##kg/s\n",
+ "h2= 3272.4 ##kJ/kg\n",
+ "h3= 2601.7 ##kJ/kg\n",
+ "v1= 0.001401 ##m^3/kg\n",
+ "V1= 5 ##m/s\n",
+ "v2= 0.03817 ##m^3/kg\n",
+ "V2= 20. ##m/s\n",
+ "v3= 0.8415 ##m^3/kg\n",
+ "V3= 100. ##m/s\n",
+ "v4= 0.00104 ##m^3/kg\n",
+ "V4= 5 ##m/s\n",
+ "##CALCULATIONS\n",
+ "W41= m*(h4-h1)\n",
+ "Q12= m*(h2-h1)\n",
+ "W23= m*(h2-h3)\n",
+ "Q34= m*(h4-h3)\n",
+ "A1= m*v1*10*10*10*10/V1\n",
+ "A2= m*v2*10*1010*10/V2\n",
+ "A3= m*v3*10*1010*10/V3\n",
+ "A4= m*v4*10*1010*10/V4\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('rate of pump =',W41,'kW')\n",
+ "print'%s %.f %s'%('rate of heat ineraction =',Q12,'kW')\n",
+ "print'%s %.1f %s'%('rate of work of the turbine =',W23,'W')\n",
+ "print'%s %.f %s'%('rate of heat ineraction =',Q34,'kW')\n",
+ "print'%s %.2f %s'%('area =',A1,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A2,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A3,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A4,'cm^2')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "rate of pump = -39.7 kW\n",
+ "rate of heat ineraction = 7094 kW\n",
+ "rate of work of the turbine = 1676.8 W\n",
+ "rate of heat ineraction = -5457 kW\n",
+ "area = 7.00 cm^2\n",
+ "area = 481.90 cm^2\n",
+ "area = 2124.79 cm^2\n",
+ "area = 52.52 cm^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 96"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate mass of helium and temperature of helium\n",
+ "##initialisation of variables\n",
+ "m1= 0.03 ##kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "T1= 300. ##C\n",
+ "p1= 120. ##kPa\n",
+ "k= 5./3.\n",
+ "M=4. ##kg\n",
+ "p2= 600. ##kPa\n",
+ "##CALCULATIONS\n",
+ "V= m1*R*(273.15+T1)/(p1*M)\n",
+ "m2= m1*((p2/p1)+k-1)/k\n",
+ "T2= p2*V*M/(m2*R)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('mass of helium =',m2,'kg')\n",
+ "print'%s %.1f %s'%('temperature of helium =',T2,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of helium = 0.102 kg\n",
+ "temperature of helium = 842.9 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Eaxmple 6-pg97"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume of container and pressure\n",
+ "##initialisation of variables\n",
+ "m1= 0.03 ##kg\n",
+ "v1= 2.1977 ##m^3/kg\n",
+ "h2= 3073.8 ##kJ/kg\n",
+ "h1= 3061.6 ##kJ/kg\n",
+ "p2= 600. ##kPa\n",
+ "p1= 120. ##kPa\n",
+ "##CALCULATIONS\n",
+ "V=m1*v1\n",
+ "r= ((h2-h1)/v1)+p2-p1\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume of container =',V,'m^3')\n",
+ "print'%s %.2f %s'%('pressure =',r,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume of container = 0.06593 m^3\n",
+ "pressure = 485.55 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter6_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter6_1.ipynb new file mode 100755 index 00000000..4db4d31d --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter6_1.ipynb @@ -0,0 +1,308 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:de09a4c2813282719223c840622b4f97d21f59c5103e9a20c830f4005781fd9e"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter6 -Control volume"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 83"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate diameter for given variable\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29 ##gms\n",
+ "T= 80 ##C\n",
+ "p= 104 ##/kPa\n",
+ "v= 30 ##m/sec\n",
+ "m= 8000 ##kg/h\n",
+ "##CALCULATIONS\n",
+ "V= R*(273.15+T)/(M*p)\n",
+ "A= m*V/(3600*v)\n",
+ "D=math.sqrt(4*A/math.pi)\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('diameter = ',D,'m^2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "diameter = 0.30301 m^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 88"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate intial areas\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "T1= 230. ##C\n",
+ "p1= 30. ##/bar\n",
+ "k= 1.4\n",
+ "T2= 180. ##C\n",
+ "v1= 10. ##m/s\n",
+ "p2= 20. ##bar\n",
+ "m2= 0.84 ##kg/s\n",
+ "##CALCULATIONS\n",
+ "V1= R*(273.15+T1)/(M*p1*100)\n",
+ "cp= k*R/((k-1)*M)\n",
+ "A= m2*V1*10*10*10*10/v1\n",
+ "v2= math.sqrt(v1*v1+2*cp*10*10*10*(T1-T2))\n",
+ "V2= R*(273.15+T2)/(M*p2*100)\n",
+ "A2= m2*V2*10*10*10*10/v2\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('inlet area =',A,'cm^2')\n",
+ "print'%s %.2f %s'%('inlet area =',A2,'cm^2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "inlet area = 40.4 cm^2\n",
+ "inlet area = 1.72 cm^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 89"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate quantity x and specific volume\n",
+ "##initialisation of variables\n",
+ "h= 2676.2 ##kJ/kg\n",
+ "hf= 721.11 ##kJ/kg\n",
+ "hg= 2679.1 ##kJ/kg\n",
+ "vf= 0.001115 ##m^3/kg\n",
+ "vg= 0.2404 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "x= (h-hf)/(hg-hf)\n",
+ "v1= vf+x*(vg-vf)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('quantity =',x,'')\n",
+ "print'%s %.4f %s'%('specific volume = ',v1,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "quantity = 0.9985 \n",
+ "specific volume = 0.2400 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 92"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat pump and reate heat interaction and work of the turbine and at another point rate of heat interaction and all four areas at given poin\n",
+ "##initialisation of variables\n",
+ "h4= 419.05 ##kJ/kg\n",
+ "h1= 434.92 ##kJ/kg\n",
+ "m= 2.5 ##kg/s\n",
+ "h2= 3272.4 ##kJ/kg\n",
+ "h3= 2601.7 ##kJ/kg\n",
+ "v1= 0.001401 ##m^3/kg\n",
+ "V1= 5 ##m/s\n",
+ "v2= 0.03817 ##m^3/kg\n",
+ "V2= 20. ##m/s\n",
+ "v3= 0.8415 ##m^3/kg\n",
+ "V3= 100. ##m/s\n",
+ "v4= 0.00104 ##m^3/kg\n",
+ "V4= 5 ##m/s\n",
+ "##CALCULATIONS\n",
+ "W41= m*(h4-h1)\n",
+ "Q12= m*(h2-h1)\n",
+ "W23= m*(h2-h3)\n",
+ "Q34= m*(h4-h3)\n",
+ "A1= m*v1*10*10*10*10/V1\n",
+ "A2= m*v2*10*1010*10/V2\n",
+ "A3= m*v3*10*1010*10/V3\n",
+ "A4= m*v4*10*1010*10/V4\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('rate of pump =',W41,'kW')\n",
+ "print'%s %.f %s'%('rate of heat ineraction =',Q12,'kW')\n",
+ "print'%s %.1f %s'%('rate of work of the turbine =',W23,'W')\n",
+ "print'%s %.f %s'%('rate of heat ineraction =',Q34,'kW')\n",
+ "print'%s %.2f %s'%('area =',A1,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A2,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A3,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A4,'cm^2')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "rate of pump = -39.7 kW\n",
+ "rate of heat ineraction = 7094 kW\n",
+ "rate of work of the turbine = 1676.8 W\n",
+ "rate of heat ineraction = -5457 kW\n",
+ "area = 7.00 cm^2\n",
+ "area = 481.90 cm^2\n",
+ "area = 2124.79 cm^2\n",
+ "area = 52.52 cm^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 96"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate mass of helium and temperature of helium\n",
+ "##initialisation of variables\n",
+ "m1= 0.03 ##kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "T1= 300. ##C\n",
+ "p1= 120. ##kPa\n",
+ "k= 5./3.\n",
+ "M=4. ##kg\n",
+ "p2= 600. ##kPa\n",
+ "##CALCULATIONS\n",
+ "V= m1*R*(273.15+T1)/(p1*M)\n",
+ "m2= m1*((p2/p1)+k-1)/k\n",
+ "T2= p2*V*M/(m2*R)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('mass of helium =',m2,'kg')\n",
+ "print'%s %.1f %s'%('temperature of helium =',T2,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of helium = 0.102 kg\n",
+ "temperature of helium = 842.9 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Eaxmple 6-pg97"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume of container and pressure\n",
+ "##initialisation of variables\n",
+ "m1= 0.03 ##kg\n",
+ "v1= 2.1977 ##m^3/kg\n",
+ "h2= 3073.8 ##kJ/kg\n",
+ "h1= 3061.6 ##kJ/kg\n",
+ "p2= 600. ##kPa\n",
+ "p1= 120. ##kPa\n",
+ "##CALCULATIONS\n",
+ "V=m1*v1\n",
+ "r= ((h2-h1)/v1)+p2-p1\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume of container =',V,'m^3')\n",
+ "print'%s %.2f %s'%('pressure =',r,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume of container = 0.06593 m^3\n",
+ "pressure = 485.55 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter6_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter6_2.ipynb new file mode 100755 index 00000000..4db4d31d --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter6_2.ipynb @@ -0,0 +1,308 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:de09a4c2813282719223c840622b4f97d21f59c5103e9a20c830f4005781fd9e"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter6 -Control volume"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 83"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate diameter for given variable\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29 ##gms\n",
+ "T= 80 ##C\n",
+ "p= 104 ##/kPa\n",
+ "v= 30 ##m/sec\n",
+ "m= 8000 ##kg/h\n",
+ "##CALCULATIONS\n",
+ "V= R*(273.15+T)/(M*p)\n",
+ "A= m*V/(3600*v)\n",
+ "D=math.sqrt(4*A/math.pi)\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('diameter = ',D,'m^2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "diameter = 0.30301 m^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 88"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate intial areas\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "T1= 230. ##C\n",
+ "p1= 30. ##/bar\n",
+ "k= 1.4\n",
+ "T2= 180. ##C\n",
+ "v1= 10. ##m/s\n",
+ "p2= 20. ##bar\n",
+ "m2= 0.84 ##kg/s\n",
+ "##CALCULATIONS\n",
+ "V1= R*(273.15+T1)/(M*p1*100)\n",
+ "cp= k*R/((k-1)*M)\n",
+ "A= m2*V1*10*10*10*10/v1\n",
+ "v2= math.sqrt(v1*v1+2*cp*10*10*10*(T1-T2))\n",
+ "V2= R*(273.15+T2)/(M*p2*100)\n",
+ "A2= m2*V2*10*10*10*10/v2\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('inlet area =',A,'cm^2')\n",
+ "print'%s %.2f %s'%('inlet area =',A2,'cm^2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "inlet area = 40.4 cm^2\n",
+ "inlet area = 1.72 cm^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 89"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate quantity x and specific volume\n",
+ "##initialisation of variables\n",
+ "h= 2676.2 ##kJ/kg\n",
+ "hf= 721.11 ##kJ/kg\n",
+ "hg= 2679.1 ##kJ/kg\n",
+ "vf= 0.001115 ##m^3/kg\n",
+ "vg= 0.2404 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "x= (h-hf)/(hg-hf)\n",
+ "v1= vf+x*(vg-vf)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('quantity =',x,'')\n",
+ "print'%s %.4f %s'%('specific volume = ',v1,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "quantity = 0.9985 \n",
+ "specific volume = 0.2400 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 92"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat pump and reate heat interaction and work of the turbine and at another point rate of heat interaction and all four areas at given poin\n",
+ "##initialisation of variables\n",
+ "h4= 419.05 ##kJ/kg\n",
+ "h1= 434.92 ##kJ/kg\n",
+ "m= 2.5 ##kg/s\n",
+ "h2= 3272.4 ##kJ/kg\n",
+ "h3= 2601.7 ##kJ/kg\n",
+ "v1= 0.001401 ##m^3/kg\n",
+ "V1= 5 ##m/s\n",
+ "v2= 0.03817 ##m^3/kg\n",
+ "V2= 20. ##m/s\n",
+ "v3= 0.8415 ##m^3/kg\n",
+ "V3= 100. ##m/s\n",
+ "v4= 0.00104 ##m^3/kg\n",
+ "V4= 5 ##m/s\n",
+ "##CALCULATIONS\n",
+ "W41= m*(h4-h1)\n",
+ "Q12= m*(h2-h1)\n",
+ "W23= m*(h2-h3)\n",
+ "Q34= m*(h4-h3)\n",
+ "A1= m*v1*10*10*10*10/V1\n",
+ "A2= m*v2*10*1010*10/V2\n",
+ "A3= m*v3*10*1010*10/V3\n",
+ "A4= m*v4*10*1010*10/V4\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('rate of pump =',W41,'kW')\n",
+ "print'%s %.f %s'%('rate of heat ineraction =',Q12,'kW')\n",
+ "print'%s %.1f %s'%('rate of work of the turbine =',W23,'W')\n",
+ "print'%s %.f %s'%('rate of heat ineraction =',Q34,'kW')\n",
+ "print'%s %.2f %s'%('area =',A1,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A2,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A3,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A4,'cm^2')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "rate of pump = -39.7 kW\n",
+ "rate of heat ineraction = 7094 kW\n",
+ "rate of work of the turbine = 1676.8 W\n",
+ "rate of heat ineraction = -5457 kW\n",
+ "area = 7.00 cm^2\n",
+ "area = 481.90 cm^2\n",
+ "area = 2124.79 cm^2\n",
+ "area = 52.52 cm^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 96"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate mass of helium and temperature of helium\n",
+ "##initialisation of variables\n",
+ "m1= 0.03 ##kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "T1= 300. ##C\n",
+ "p1= 120. ##kPa\n",
+ "k= 5./3.\n",
+ "M=4. ##kg\n",
+ "p2= 600. ##kPa\n",
+ "##CALCULATIONS\n",
+ "V= m1*R*(273.15+T1)/(p1*M)\n",
+ "m2= m1*((p2/p1)+k-1)/k\n",
+ "T2= p2*V*M/(m2*R)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('mass of helium =',m2,'kg')\n",
+ "print'%s %.1f %s'%('temperature of helium =',T2,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of helium = 0.102 kg\n",
+ "temperature of helium = 842.9 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Eaxmple 6-pg97"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume of container and pressure\n",
+ "##initialisation of variables\n",
+ "m1= 0.03 ##kg\n",
+ "v1= 2.1977 ##m^3/kg\n",
+ "h2= 3073.8 ##kJ/kg\n",
+ "h1= 3061.6 ##kJ/kg\n",
+ "p2= 600. ##kPa\n",
+ "p1= 120. ##kPa\n",
+ "##CALCULATIONS\n",
+ "V=m1*v1\n",
+ "r= ((h2-h1)/v1)+p2-p1\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume of container =',V,'m^3')\n",
+ "print'%s %.2f %s'%('pressure =',r,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume of container = 0.06593 m^3\n",
+ "pressure = 485.55 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter6_3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter6_3.ipynb new file mode 100755 index 00000000..0b9d567a --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter6_3.ipynb @@ -0,0 +1,308 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:3fa6f805a04c97f9f570ec814cf5d2c019b63eaef8d353695d41af7a87e5f109"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter6 -Control volume"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 110"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate diameter for given variable\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29 ##gms\n",
+ "T= 80 ##C\n",
+ "p= 104 ##/kPa\n",
+ "v= 30 ##m/sec\n",
+ "m= 8000 ##kg/h\n",
+ "##CALCULATIONS\n",
+ "V= R*(273.15+T)/(M*p)\n",
+ "A= m*V/(3600*v)\n",
+ "D=math.sqrt(4*A/math.pi)\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('diameter = ',D,'m^2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "diameter = 0.30301 m^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg 114"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate intial areas\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "T1= 230. ##C\n",
+ "p1= 30. ##/bar\n",
+ "k= 1.4\n",
+ "T2= 180. ##C\n",
+ "v1= 10. ##m/s\n",
+ "p2= 20. ##bar\n",
+ "m2= 0.84 ##kg/s\n",
+ "##CALCULATIONS\n",
+ "V1= R*(273.15+T1)/(M*p1*100)\n",
+ "cp= k*R/((k-1)*M)\n",
+ "A= m2*V1*10*10*10*10/v1\n",
+ "v2= math.sqrt(v1*v1+2*cp*10*10*10*(T1-T2))\n",
+ "V2= R*(273.15+T2)/(M*p2*100)\n",
+ "A2= m2*V2*10*10*10*10/v2\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('inlet area =',A,'cm^2')\n",
+ "print'%s %.2f %s'%('inlet area =',A2,'cm^2')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "inlet area = 40.4 cm^2\n",
+ "inlet area = 1.72 cm^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 116"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate quantity x and specific volume\n",
+ "##initialisation of variables\n",
+ "h= 2676.2 ##kJ/kg\n",
+ "hf= 721.11 ##kJ/kg\n",
+ "hg= 2679.1 ##kJ/kg\n",
+ "vf= 0.001115 ##m^3/kg\n",
+ "vg= 0.2404 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "x= (h-hf)/(hg-hf)\n",
+ "v1= vf+x*(vg-vf)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('quantity =',x,'')\n",
+ "print'%s %.2f %s'%('specific volume = ',v1,'m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "quantity = 0.999 \n",
+ "specific volume = 0.24 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 119"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat pump and reate heat interaction and work of the turbine and at another point rate of heat interaction and all four areas at given poin\n",
+ "##initialisation of variables\n",
+ "h4= 419.05 ##kJ/kg\n",
+ "h1= 434.92 ##kJ/kg\n",
+ "m= 2.5 ##kg/s\n",
+ "h2= 3272.4 ##kJ/kg\n",
+ "h3= 2601.7 ##kJ/kg\n",
+ "v1= 0.001401 ##m^3/kg\n",
+ "V1= 5. ##m/s\n",
+ "v2= 0.03817 ##m^3/kg\n",
+ "V2= 20. ##m/s\n",
+ "v3= 0.8415 ##m^3/kg\n",
+ "V3= 100. ##m/s\n",
+ "v4= 0.00104 ##m^3/kg\n",
+ "V4= 5. ##m/s\n",
+ "##CALCULATIONS\n",
+ "W41= m*(h4-h1)\n",
+ "Q12= m*(h2-h1)\n",
+ "W23= m*(h2-h3)\n",
+ "Q34= m*(h4-h3)\n",
+ "A1= m*v1*10.*10.*10.*10./V1\n",
+ "A2= m*v2*10.*10*10.*10./V2\n",
+ "A3= m*v3*10.*10*10.*10/V3\n",
+ "A4= m*v4*10.*10*10.*10/V4\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('rate of pump =',W41,'kW')\n",
+ "print'%s %.f %s'%('rate of heat ineraction =',Q12,'kW')\n",
+ "print'%s %.1f %s'%('rate of work of the turbine =',W23,'W')\n",
+ "print'%s %.f %s'%('rate of heat ineraction =',Q34,'kW')\n",
+ "print'%s %.2f %s'%('area =',A1,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A2,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A3,'cm^2')\n",
+ "print'%s %.2f %s'%('area =',A4,'cm^2')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "rate of pump = -39.7 kW\n",
+ "rate of heat ineraction = 7094 kW\n",
+ "rate of work of the turbine = 1676.8 W\n",
+ "rate of heat ineraction = -5457 kW\n",
+ "area = 7.00 cm^2\n",
+ "area = 47.71 cm^2\n",
+ "area = 210.38 cm^2\n",
+ "area = 5.20 cm^2\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg 123"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate mass of helium and temperature of helium\n",
+ "##initialisation of variables\n",
+ "m1= 0.03 ##kg\n",
+ "R= 8.314 ##J/mol K\n",
+ "T1= 300. ##C\n",
+ "p1= 120. ##kPa\n",
+ "k= 5./3.\n",
+ "M=4. ##kg\n",
+ "p2= 600. ##kPa\n",
+ "##CALCULATIONS\n",
+ "V= m1*R*(273.15+T1)/(p1*M)\n",
+ "m2= m1*((p2/p1)+k-1)/k\n",
+ "T2= p2*V*M/(m2*R)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('mass of helium =',m2,'kg')\n",
+ "print'%s %.1f %s'%('temperature of helium =',T2,'K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of helium = 0.102 kg\n",
+ "temperature of helium = 842.9 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Eaxmple 6-pg123"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume of container and pressure\n",
+ "##initialisation of variables\n",
+ "m1= 0.03 ##kg\n",
+ "v1= 2.1977 ##m^3/kg\n",
+ "h2= 3073.8 ##kJ/kg\n",
+ "h1= 3061.6 ##kJ/kg\n",
+ "p2= 600. ##kPa\n",
+ "p1= 120. ##kPa\n",
+ "##CALCULATIONS\n",
+ "V=m1*v1\n",
+ "r= ((h2-h1)/v1)+p2-p1\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume of container =',V,'m^3')\n",
+ "print'%s %.2f %s'%('pressure =',r,'kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume of container = 0.06593 m^3\n",
+ "pressure = 485.55 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter7-Heat_engines_and_the_second_law_of_thermodynamics.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter7-Heat_engines_and_the_second_law_of_thermodynamics.ipynb new file mode 100755 index 00000000..eb4c5f7b --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter7-Heat_engines_and_the_second_law_of_thermodynamics.ipynb @@ -0,0 +1,123 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:d5b975c50e55ebe3a2b199f890473e0371318b3f156613b06dbc3a02621943c9"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter7-Heat engines and the second law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1 pg- 112"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate heat and efficency\n",
+ "##initialisation of variables\n",
+ "m= 0.35 ##kg\n",
+ "u2= 211.785 ##kJ/kg\n",
+ "u1= 182.267 ##kJ/kg\n",
+ "p2= 300. ##kPa\n",
+ "v3= 0.085566 ##kJ/kg\n",
+ "v2= 0.076218 ##kJ/kg\n",
+ "h3= 260.391 ##kJ/kg\n",
+ "h2= 234.650 ##kJ/kg\n",
+ "u4= 199.460 ##kJ/kg\n",
+ "u3= 234.721 ##kJ/kg\n",
+ "p4= 250.##kPa\n",
+ "v1= 0.076218 ##kJ/kg\n",
+ "v4= 0.085566 ##kJ/kg\n",
+ "h1= 201.322 ##kJ/kg\n",
+ "h4= 220.851 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "Q12= m*(u2-u1)\n",
+ "W23= m*p2*(v3-v2)\n",
+ "Q23= m*(h3-h2)\n",
+ "W34= 0\n",
+ "Q34= m*(u4-u3)\n",
+ "W41= m*p4*(v1-v4)\n",
+ "Q41= m*(h1-h4)\n",
+ "dW= W23+W41\n",
+ "dQ= Q12+Q23+Q34+Q41\n",
+ "Qh= Q12+Q23\n",
+ "n= dW*100/Qh\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('heat = ',Qh,'kj')\n",
+ "print'%s %.2f %s'%('efficiency =',n, 'percent')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat = 19.34 kj\n",
+ "efficiency = 0.85 percent\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4 pg-123"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate effiecncy of heat engine and efficency\n",
+ "##initialisation of variables\n",
+ "Qc= 9 ##kW\n",
+ "W= 7.5 ##kW\n",
+ "Qh= Qc+W\n",
+ "Tc= 50 ##C\n",
+ "Th= 400 ##C\n",
+ "##CALCULATIONS\n",
+ "n= W/Qh\n",
+ "nrev= 1-((273.15+Tc)/(273.15+Th))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('efficiency of heat engine = ',n,'')\n",
+ "print'%s %.3f %s'%('efficiency =',nrev,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "efficiency of heat engine = 0.455 \n",
+ "efficiency = 0.520 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter7.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter7.ipynb new file mode 100755 index 00000000..eb4c5f7b --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter7.ipynb @@ -0,0 +1,123 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:d5b975c50e55ebe3a2b199f890473e0371318b3f156613b06dbc3a02621943c9"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter7-Heat engines and the second law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1 pg- 112"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate heat and efficency\n",
+ "##initialisation of variables\n",
+ "m= 0.35 ##kg\n",
+ "u2= 211.785 ##kJ/kg\n",
+ "u1= 182.267 ##kJ/kg\n",
+ "p2= 300. ##kPa\n",
+ "v3= 0.085566 ##kJ/kg\n",
+ "v2= 0.076218 ##kJ/kg\n",
+ "h3= 260.391 ##kJ/kg\n",
+ "h2= 234.650 ##kJ/kg\n",
+ "u4= 199.460 ##kJ/kg\n",
+ "u3= 234.721 ##kJ/kg\n",
+ "p4= 250.##kPa\n",
+ "v1= 0.076218 ##kJ/kg\n",
+ "v4= 0.085566 ##kJ/kg\n",
+ "h1= 201.322 ##kJ/kg\n",
+ "h4= 220.851 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "Q12= m*(u2-u1)\n",
+ "W23= m*p2*(v3-v2)\n",
+ "Q23= m*(h3-h2)\n",
+ "W34= 0\n",
+ "Q34= m*(u4-u3)\n",
+ "W41= m*p4*(v1-v4)\n",
+ "Q41= m*(h1-h4)\n",
+ "dW= W23+W41\n",
+ "dQ= Q12+Q23+Q34+Q41\n",
+ "Qh= Q12+Q23\n",
+ "n= dW*100/Qh\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('heat = ',Qh,'kj')\n",
+ "print'%s %.2f %s'%('efficiency =',n, 'percent')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat = 19.34 kj\n",
+ "efficiency = 0.85 percent\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4 pg-123"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate effiecncy of heat engine and efficency\n",
+ "##initialisation of variables\n",
+ "Qc= 9 ##kW\n",
+ "W= 7.5 ##kW\n",
+ "Qh= Qc+W\n",
+ "Tc= 50 ##C\n",
+ "Th= 400 ##C\n",
+ "##CALCULATIONS\n",
+ "n= W/Qh\n",
+ "nrev= 1-((273.15+Tc)/(273.15+Th))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('efficiency of heat engine = ',n,'')\n",
+ "print'%s %.3f %s'%('efficiency =',nrev,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "efficiency of heat engine = 0.455 \n",
+ "efficiency = 0.520 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter7_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter7_1.ipynb new file mode 100755 index 00000000..eb4c5f7b --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter7_1.ipynb @@ -0,0 +1,123 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:d5b975c50e55ebe3a2b199f890473e0371318b3f156613b06dbc3a02621943c9"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter7-Heat engines and the second law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1 pg- 112"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate heat and efficency\n",
+ "##initialisation of variables\n",
+ "m= 0.35 ##kg\n",
+ "u2= 211.785 ##kJ/kg\n",
+ "u1= 182.267 ##kJ/kg\n",
+ "p2= 300. ##kPa\n",
+ "v3= 0.085566 ##kJ/kg\n",
+ "v2= 0.076218 ##kJ/kg\n",
+ "h3= 260.391 ##kJ/kg\n",
+ "h2= 234.650 ##kJ/kg\n",
+ "u4= 199.460 ##kJ/kg\n",
+ "u3= 234.721 ##kJ/kg\n",
+ "p4= 250.##kPa\n",
+ "v1= 0.076218 ##kJ/kg\n",
+ "v4= 0.085566 ##kJ/kg\n",
+ "h1= 201.322 ##kJ/kg\n",
+ "h4= 220.851 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "Q12= m*(u2-u1)\n",
+ "W23= m*p2*(v3-v2)\n",
+ "Q23= m*(h3-h2)\n",
+ "W34= 0\n",
+ "Q34= m*(u4-u3)\n",
+ "W41= m*p4*(v1-v4)\n",
+ "Q41= m*(h1-h4)\n",
+ "dW= W23+W41\n",
+ "dQ= Q12+Q23+Q34+Q41\n",
+ "Qh= Q12+Q23\n",
+ "n= dW*100/Qh\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('heat = ',Qh,'kj')\n",
+ "print'%s %.2f %s'%('efficiency =',n, 'percent')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat = 19.34 kj\n",
+ "efficiency = 0.85 percent\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4 pg-123"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate effiecncy of heat engine and efficency\n",
+ "##initialisation of variables\n",
+ "Qc= 9 ##kW\n",
+ "W= 7.5 ##kW\n",
+ "Qh= Qc+W\n",
+ "Tc= 50 ##C\n",
+ "Th= 400 ##C\n",
+ "##CALCULATIONS\n",
+ "n= W/Qh\n",
+ "nrev= 1-((273.15+Tc)/(273.15+Th))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('efficiency of heat engine = ',n,'')\n",
+ "print'%s %.3f %s'%('efficiency =',nrev,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "efficiency of heat engine = 0.455 \n",
+ "efficiency = 0.520 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter7_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter7_2.ipynb new file mode 100755 index 00000000..eb4c5f7b --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter7_2.ipynb @@ -0,0 +1,123 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:d5b975c50e55ebe3a2b199f890473e0371318b3f156613b06dbc3a02621943c9"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter7-Heat engines and the second law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1 pg- 112"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate heat and efficency\n",
+ "##initialisation of variables\n",
+ "m= 0.35 ##kg\n",
+ "u2= 211.785 ##kJ/kg\n",
+ "u1= 182.267 ##kJ/kg\n",
+ "p2= 300. ##kPa\n",
+ "v3= 0.085566 ##kJ/kg\n",
+ "v2= 0.076218 ##kJ/kg\n",
+ "h3= 260.391 ##kJ/kg\n",
+ "h2= 234.650 ##kJ/kg\n",
+ "u4= 199.460 ##kJ/kg\n",
+ "u3= 234.721 ##kJ/kg\n",
+ "p4= 250.##kPa\n",
+ "v1= 0.076218 ##kJ/kg\n",
+ "v4= 0.085566 ##kJ/kg\n",
+ "h1= 201.322 ##kJ/kg\n",
+ "h4= 220.851 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "Q12= m*(u2-u1)\n",
+ "W23= m*p2*(v3-v2)\n",
+ "Q23= m*(h3-h2)\n",
+ "W34= 0\n",
+ "Q34= m*(u4-u3)\n",
+ "W41= m*p4*(v1-v4)\n",
+ "Q41= m*(h1-h4)\n",
+ "dW= W23+W41\n",
+ "dQ= Q12+Q23+Q34+Q41\n",
+ "Qh= Q12+Q23\n",
+ "n= dW*100/Qh\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('heat = ',Qh,'kj')\n",
+ "print'%s %.2f %s'%('efficiency =',n, 'percent')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat = 19.34 kj\n",
+ "efficiency = 0.85 percent\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4 pg-123"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate effiecncy of heat engine and efficency\n",
+ "##initialisation of variables\n",
+ "Qc= 9 ##kW\n",
+ "W= 7.5 ##kW\n",
+ "Qh= Qc+W\n",
+ "Tc= 50 ##C\n",
+ "Th= 400 ##C\n",
+ "##CALCULATIONS\n",
+ "n= W/Qh\n",
+ "nrev= 1-((273.15+Tc)/(273.15+Th))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('efficiency of heat engine = ',n,'')\n",
+ "print'%s %.3f %s'%('efficiency =',nrev,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "efficiency of heat engine = 0.455 \n",
+ "efficiency = 0.520 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter7_3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter7_3.ipynb new file mode 100755 index 00000000..9de444b0 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter7_3.ipynb @@ -0,0 +1,123 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:e4631603aed69918db75e330f3c0e7e2d262143fadfa182241f038adb18aceb6"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter7-Heat engines and the second law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1 pg- 146"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate heat and efficency\n",
+ "##initialisation of variables\n",
+ "m= 0.35 ##kg\n",
+ "u2= 211.785 ##kJ/kg\n",
+ "u1= 182.267 ##kJ/kg\n",
+ "p2= 300. ##kPa\n",
+ "v3= 0.085566 ##kJ/kg\n",
+ "v2= 0.076218 ##kJ/kg\n",
+ "h3= 260.391 ##kJ/kg\n",
+ "h2= 234.650 ##kJ/kg\n",
+ "u4= 199.460 ##kJ/kg\n",
+ "u3= 234.721 ##kJ/kg\n",
+ "p4= 250.##kPa\n",
+ "v1= 0.076218 ##kJ/kg\n",
+ "v4= 0.085566 ##kJ/kg\n",
+ "h1= 201.322 ##kJ/kg\n",
+ "h4= 220.851 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "Q12= m*(u2-u1)\n",
+ "W23= m*p2*(v3-v2)\n",
+ "Q23= m*(h3-h2)\n",
+ "W34= 0.\n",
+ "Q34= m*(u4-u3)\n",
+ "W41= m*p4*(v1-v4)\n",
+ "Q41= m*(h1-h4)\n",
+ "dW= W23+W41\n",
+ "dQ= Q12+Q23+Q34+Q41\n",
+ "Qh= Q12+Q23\n",
+ "n= dW*100./Qh\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('heat = ',Qh,'kj')\n",
+ "print'%s %.2f %s'%('efficiency =',n, 'percent')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat = 19.34 kj\n",
+ "efficiency = 0.85 percent\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4 pg-156"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate effiecncy of heat engine and efficency\n",
+ "##initialisation of variables\n",
+ "Qc= 9 ##kW\n",
+ "W= 7.5 ##kW\n",
+ "Qh= Qc+W\n",
+ "Tc= 50 ##C\n",
+ "Th= 400 ##C\n",
+ "##CALCULATIONS\n",
+ "n= W/Qh\n",
+ "nrev= 1-((273.15+Tc)/(273.15+Th))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('efficiency of heat engine = ',n,'')\n",
+ "print'%s %.3f %s'%('efficiency =',nrev,'')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "efficiency of heat engine = 0.455 \n",
+ "efficiency = 0.520 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter8-Entropy.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter8-Entropy.ipynb new file mode 100755 index 00000000..c1d76b67 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter8-Entropy.ipynb @@ -0,0 +1,309 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:8780f29f2ca7dbbe28306b63f91de121a8fdfb0cc3c24c326256cd5a0309b1ed"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter8-Entropy"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1 pg- 131"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate and entropy of ice and environment and universe\n",
+ "##initialisation of variables\n",
+ "m= 2 ##kg\n",
+ "dh= 333.39 ##kg/h\n",
+ "T= 0 ##C\n",
+ "T1= 20 ##C\n",
+ "##CALCULATIONS\n",
+ "Q12= m*dh\n",
+ "dS= Q12/(273.15+T)\n",
+ "dSenvir= -Q12/(273.15+T1)\n",
+ "dStotal= dS+dSenvir\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' entropy of ice =',dS,'kJ/K')\n",
+ "print'%s %.3f %s'%('entropy of environment =',dSenvir,'kJ/K')\n",
+ "print'%s %.3f %s'%('entropy of universe =',dStotal,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " entropy of ice = 2.441 kJ/K\n",
+ "entropy of environment = -2.275 kJ/K\n",
+ "entropy of universe = 0.167 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg132"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate change in entropy in system and environment and entropy\n",
+ "##initialisation of variables\n",
+ "Q= 666.78 ##kJ\n",
+ "T= 0 ##C\n",
+ "Th= 20. ##C\n",
+ "##CALCULATIONS\n",
+ "Ssys= Q/(273.15+T)\n",
+ "Qh= Q*((273.15+Th)/(273.15+T))\n",
+ "Senvir= -Qh/(273.15+Th)\n",
+ "Stotal= Ssys+Senvir\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('change in entropy in sysytem =',Ssys,' kJ/K')\n",
+ "print'%s %.4f %s'%('change in entropy in environment =',Senvir,'kJ/K')\n",
+ "print'%s %.f %s'%('total change in entropy =',Stotal,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in entropy in sysytem = 2.4411 kJ/K\n",
+ "change in entropy in environment = -2.4411 kJ/K\n",
+ "total change in entropy = 0 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg134\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate change in entropy\n",
+ "##initialisation of variables\n",
+ "S1= 6.2872 ##J/kg K\n",
+ "S2= 5.8712 ##J/kg K\n",
+ "m= 18 ##kg\n",
+ "##CALCULATIONS\n",
+ "S= m*(S1-S2)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' change in entropy =',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " change in entropy = 7.488 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 134"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate change in entropy\n",
+ "##initialisation of variables\n",
+ "S2= 5.8328 ##kJ/kg\n",
+ "S1= 5.8712 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "S= S2-S1\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('change in entropy = ',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in entropy = -0.03840 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg135"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and change in entropy\n",
+ "##initialisation of variables\n",
+ "m= 0.1 ##kg\n",
+ "p= 3 ##bar\n",
+ "p1= 10 ##bar\n",
+ "h1= 2964.3 ##kJ/kg\n",
+ "v1=0.2378\n",
+ "s2= 7.1619 ##kJ/k\n",
+ "s1= 6.9641 ##kJ/k\n",
+ "##CALCULATIONS\n",
+ "h2= h1+(p-p1)*math.pow(10,5)*v1*math.pow(10,-3)\n",
+ "S= m*(s2-s1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%(' enthalpy =',h2,'kJ/kg')\n",
+ "print'%s %.5f %s'%('change in entropy =',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " enthalpy = 2797.8 kJ/kg\n",
+ "change in entropy = 0.01978 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 137"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate final pressure and change in entropy\n",
+ "import math\n",
+ "##initialisation of variables\n",
+ "p1= 5. ##bar\n",
+ "V1= 0.4 ##m^2\n",
+ "V2= 1.2 ##m^3\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 28.##gms\n",
+ "T1= 80.##C\n",
+ "##CALCULATIONS\n",
+ "p2= p1*(V1/V2)\n",
+ "S= R*math.log(V2/V1)/M\n",
+ "S1= S*p1*V1*100/((R/M)*(273.15+T1))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' final pressure =',p2,'bar')\n",
+ "print'%s %.4f %s'% ('change in entropy =',S1,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " final pressure = 1.667 bar\n",
+ "change in entropy = 0.6222 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg 137"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat and change in entropy of system and change in entropy of enironment\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "T= 400. ##K\n",
+ "p2= 1.6 ##bar\n",
+ "p1= 1. ##bar\n",
+ "Tenvir= 300. ##K\n",
+ "##CALCULATIONS\n",
+ "q= R*T*math.log(p2/p1)/M\n",
+ "S= -R*math.log(p2/p1)/M\n",
+ "Senvir= q/Tenvir\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('heat =',q,'kJ/kg')\n",
+ "print'%s %.4f %s'%('change in entropy of system=',S,'kJ/kg K')\n",
+ "print'%s %.4f %s'%('change in entropy of environment=',Senvir,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat = 53.9 kJ/kg\n",
+ "change in entropy of system= -0.1347 kJ/kg K\n",
+ "change in entropy of environment= 0.1797 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter8.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter8.ipynb new file mode 100755 index 00000000..c1d76b67 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter8.ipynb @@ -0,0 +1,309 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:8780f29f2ca7dbbe28306b63f91de121a8fdfb0cc3c24c326256cd5a0309b1ed"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter8-Entropy"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1 pg- 131"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate and entropy of ice and environment and universe\n",
+ "##initialisation of variables\n",
+ "m= 2 ##kg\n",
+ "dh= 333.39 ##kg/h\n",
+ "T= 0 ##C\n",
+ "T1= 20 ##C\n",
+ "##CALCULATIONS\n",
+ "Q12= m*dh\n",
+ "dS= Q12/(273.15+T)\n",
+ "dSenvir= -Q12/(273.15+T1)\n",
+ "dStotal= dS+dSenvir\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' entropy of ice =',dS,'kJ/K')\n",
+ "print'%s %.3f %s'%('entropy of environment =',dSenvir,'kJ/K')\n",
+ "print'%s %.3f %s'%('entropy of universe =',dStotal,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " entropy of ice = 2.441 kJ/K\n",
+ "entropy of environment = -2.275 kJ/K\n",
+ "entropy of universe = 0.167 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg132"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate change in entropy in system and environment and entropy\n",
+ "##initialisation of variables\n",
+ "Q= 666.78 ##kJ\n",
+ "T= 0 ##C\n",
+ "Th= 20. ##C\n",
+ "##CALCULATIONS\n",
+ "Ssys= Q/(273.15+T)\n",
+ "Qh= Q*((273.15+Th)/(273.15+T))\n",
+ "Senvir= -Qh/(273.15+Th)\n",
+ "Stotal= Ssys+Senvir\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('change in entropy in sysytem =',Ssys,' kJ/K')\n",
+ "print'%s %.4f %s'%('change in entropy in environment =',Senvir,'kJ/K')\n",
+ "print'%s %.f %s'%('total change in entropy =',Stotal,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in entropy in sysytem = 2.4411 kJ/K\n",
+ "change in entropy in environment = -2.4411 kJ/K\n",
+ "total change in entropy = 0 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg134\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate change in entropy\n",
+ "##initialisation of variables\n",
+ "S1= 6.2872 ##J/kg K\n",
+ "S2= 5.8712 ##J/kg K\n",
+ "m= 18 ##kg\n",
+ "##CALCULATIONS\n",
+ "S= m*(S1-S2)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' change in entropy =',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " change in entropy = 7.488 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 134"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate change in entropy\n",
+ "##initialisation of variables\n",
+ "S2= 5.8328 ##kJ/kg\n",
+ "S1= 5.8712 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "S= S2-S1\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('change in entropy = ',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in entropy = -0.03840 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg135"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and change in entropy\n",
+ "##initialisation of variables\n",
+ "m= 0.1 ##kg\n",
+ "p= 3 ##bar\n",
+ "p1= 10 ##bar\n",
+ "h1= 2964.3 ##kJ/kg\n",
+ "v1=0.2378\n",
+ "s2= 7.1619 ##kJ/k\n",
+ "s1= 6.9641 ##kJ/k\n",
+ "##CALCULATIONS\n",
+ "h2= h1+(p-p1)*math.pow(10,5)*v1*math.pow(10,-3)\n",
+ "S= m*(s2-s1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%(' enthalpy =',h2,'kJ/kg')\n",
+ "print'%s %.5f %s'%('change in entropy =',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " enthalpy = 2797.8 kJ/kg\n",
+ "change in entropy = 0.01978 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 137"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate final pressure and change in entropy\n",
+ "import math\n",
+ "##initialisation of variables\n",
+ "p1= 5. ##bar\n",
+ "V1= 0.4 ##m^2\n",
+ "V2= 1.2 ##m^3\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 28.##gms\n",
+ "T1= 80.##C\n",
+ "##CALCULATIONS\n",
+ "p2= p1*(V1/V2)\n",
+ "S= R*math.log(V2/V1)/M\n",
+ "S1= S*p1*V1*100/((R/M)*(273.15+T1))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' final pressure =',p2,'bar')\n",
+ "print'%s %.4f %s'% ('change in entropy =',S1,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " final pressure = 1.667 bar\n",
+ "change in entropy = 0.6222 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg 137"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat and change in entropy of system and change in entropy of enironment\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "T= 400. ##K\n",
+ "p2= 1.6 ##bar\n",
+ "p1= 1. ##bar\n",
+ "Tenvir= 300. ##K\n",
+ "##CALCULATIONS\n",
+ "q= R*T*math.log(p2/p1)/M\n",
+ "S= -R*math.log(p2/p1)/M\n",
+ "Senvir= q/Tenvir\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('heat =',q,'kJ/kg')\n",
+ "print'%s %.4f %s'%('change in entropy of system=',S,'kJ/kg K')\n",
+ "print'%s %.4f %s'%('change in entropy of environment=',Senvir,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat = 53.9 kJ/kg\n",
+ "change in entropy of system= -0.1347 kJ/kg K\n",
+ "change in entropy of environment= 0.1797 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter8_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter8_1.ipynb new file mode 100755 index 00000000..c1d76b67 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter8_1.ipynb @@ -0,0 +1,309 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:8780f29f2ca7dbbe28306b63f91de121a8fdfb0cc3c24c326256cd5a0309b1ed"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter8-Entropy"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1 pg- 131"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate and entropy of ice and environment and universe\n",
+ "##initialisation of variables\n",
+ "m= 2 ##kg\n",
+ "dh= 333.39 ##kg/h\n",
+ "T= 0 ##C\n",
+ "T1= 20 ##C\n",
+ "##CALCULATIONS\n",
+ "Q12= m*dh\n",
+ "dS= Q12/(273.15+T)\n",
+ "dSenvir= -Q12/(273.15+T1)\n",
+ "dStotal= dS+dSenvir\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' entropy of ice =',dS,'kJ/K')\n",
+ "print'%s %.3f %s'%('entropy of environment =',dSenvir,'kJ/K')\n",
+ "print'%s %.3f %s'%('entropy of universe =',dStotal,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " entropy of ice = 2.441 kJ/K\n",
+ "entropy of environment = -2.275 kJ/K\n",
+ "entropy of universe = 0.167 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg132"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate change in entropy in system and environment and entropy\n",
+ "##initialisation of variables\n",
+ "Q= 666.78 ##kJ\n",
+ "T= 0 ##C\n",
+ "Th= 20. ##C\n",
+ "##CALCULATIONS\n",
+ "Ssys= Q/(273.15+T)\n",
+ "Qh= Q*((273.15+Th)/(273.15+T))\n",
+ "Senvir= -Qh/(273.15+Th)\n",
+ "Stotal= Ssys+Senvir\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('change in entropy in sysytem =',Ssys,' kJ/K')\n",
+ "print'%s %.4f %s'%('change in entropy in environment =',Senvir,'kJ/K')\n",
+ "print'%s %.f %s'%('total change in entropy =',Stotal,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in entropy in sysytem = 2.4411 kJ/K\n",
+ "change in entropy in environment = -2.4411 kJ/K\n",
+ "total change in entropy = 0 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg134\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate change in entropy\n",
+ "##initialisation of variables\n",
+ "S1= 6.2872 ##J/kg K\n",
+ "S2= 5.8712 ##J/kg K\n",
+ "m= 18 ##kg\n",
+ "##CALCULATIONS\n",
+ "S= m*(S1-S2)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' change in entropy =',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " change in entropy = 7.488 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 134"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate change in entropy\n",
+ "##initialisation of variables\n",
+ "S2= 5.8328 ##kJ/kg\n",
+ "S1= 5.8712 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "S= S2-S1\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('change in entropy = ',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in entropy = -0.03840 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg135"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and change in entropy\n",
+ "##initialisation of variables\n",
+ "m= 0.1 ##kg\n",
+ "p= 3 ##bar\n",
+ "p1= 10 ##bar\n",
+ "h1= 2964.3 ##kJ/kg\n",
+ "v1=0.2378\n",
+ "s2= 7.1619 ##kJ/k\n",
+ "s1= 6.9641 ##kJ/k\n",
+ "##CALCULATIONS\n",
+ "h2= h1+(p-p1)*math.pow(10,5)*v1*math.pow(10,-3)\n",
+ "S= m*(s2-s1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%(' enthalpy =',h2,'kJ/kg')\n",
+ "print'%s %.5f %s'%('change in entropy =',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " enthalpy = 2797.8 kJ/kg\n",
+ "change in entropy = 0.01978 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 137"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate final pressure and change in entropy\n",
+ "import math\n",
+ "##initialisation of variables\n",
+ "p1= 5. ##bar\n",
+ "V1= 0.4 ##m^2\n",
+ "V2= 1.2 ##m^3\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 28.##gms\n",
+ "T1= 80.##C\n",
+ "##CALCULATIONS\n",
+ "p2= p1*(V1/V2)\n",
+ "S= R*math.log(V2/V1)/M\n",
+ "S1= S*p1*V1*100/((R/M)*(273.15+T1))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' final pressure =',p2,'bar')\n",
+ "print'%s %.4f %s'% ('change in entropy =',S1,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " final pressure = 1.667 bar\n",
+ "change in entropy = 0.6222 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg 137"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat and change in entropy of system and change in entropy of enironment\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "T= 400. ##K\n",
+ "p2= 1.6 ##bar\n",
+ "p1= 1. ##bar\n",
+ "Tenvir= 300. ##K\n",
+ "##CALCULATIONS\n",
+ "q= R*T*math.log(p2/p1)/M\n",
+ "S= -R*math.log(p2/p1)/M\n",
+ "Senvir= q/Tenvir\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('heat =',q,'kJ/kg')\n",
+ "print'%s %.4f %s'%('change in entropy of system=',S,'kJ/kg K')\n",
+ "print'%s %.4f %s'%('change in entropy of environment=',Senvir,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat = 53.9 kJ/kg\n",
+ "change in entropy of system= -0.1347 kJ/kg K\n",
+ "change in entropy of environment= 0.1797 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter8_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter8_2.ipynb new file mode 100755 index 00000000..c1d76b67 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter8_2.ipynb @@ -0,0 +1,309 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:8780f29f2ca7dbbe28306b63f91de121a8fdfb0cc3c24c326256cd5a0309b1ed"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter8-Entropy"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1 pg- 131"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate and entropy of ice and environment and universe\n",
+ "##initialisation of variables\n",
+ "m= 2 ##kg\n",
+ "dh= 333.39 ##kg/h\n",
+ "T= 0 ##C\n",
+ "T1= 20 ##C\n",
+ "##CALCULATIONS\n",
+ "Q12= m*dh\n",
+ "dS= Q12/(273.15+T)\n",
+ "dSenvir= -Q12/(273.15+T1)\n",
+ "dStotal= dS+dSenvir\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' entropy of ice =',dS,'kJ/K')\n",
+ "print'%s %.3f %s'%('entropy of environment =',dSenvir,'kJ/K')\n",
+ "print'%s %.3f %s'%('entropy of universe =',dStotal,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " entropy of ice = 2.441 kJ/K\n",
+ "entropy of environment = -2.275 kJ/K\n",
+ "entropy of universe = 0.167 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg132"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate change in entropy in system and environment and entropy\n",
+ "##initialisation of variables\n",
+ "Q= 666.78 ##kJ\n",
+ "T= 0 ##C\n",
+ "Th= 20. ##C\n",
+ "##CALCULATIONS\n",
+ "Ssys= Q/(273.15+T)\n",
+ "Qh= Q*((273.15+Th)/(273.15+T))\n",
+ "Senvir= -Qh/(273.15+Th)\n",
+ "Stotal= Ssys+Senvir\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('change in entropy in sysytem =',Ssys,' kJ/K')\n",
+ "print'%s %.4f %s'%('change in entropy in environment =',Senvir,'kJ/K')\n",
+ "print'%s %.f %s'%('total change in entropy =',Stotal,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in entropy in sysytem = 2.4411 kJ/K\n",
+ "change in entropy in environment = -2.4411 kJ/K\n",
+ "total change in entropy = 0 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg134\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate change in entropy\n",
+ "##initialisation of variables\n",
+ "S1= 6.2872 ##J/kg K\n",
+ "S2= 5.8712 ##J/kg K\n",
+ "m= 18 ##kg\n",
+ "##CALCULATIONS\n",
+ "S= m*(S1-S2)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' change in entropy =',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " change in entropy = 7.488 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 134"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate change in entropy\n",
+ "##initialisation of variables\n",
+ "S2= 5.8328 ##kJ/kg\n",
+ "S1= 5.8712 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "S= S2-S1\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('change in entropy = ',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in entropy = -0.03840 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg135"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and change in entropy\n",
+ "##initialisation of variables\n",
+ "m= 0.1 ##kg\n",
+ "p= 3 ##bar\n",
+ "p1= 10 ##bar\n",
+ "h1= 2964.3 ##kJ/kg\n",
+ "v1=0.2378\n",
+ "s2= 7.1619 ##kJ/k\n",
+ "s1= 6.9641 ##kJ/k\n",
+ "##CALCULATIONS\n",
+ "h2= h1+(p-p1)*math.pow(10,5)*v1*math.pow(10,-3)\n",
+ "S= m*(s2-s1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%(' enthalpy =',h2,'kJ/kg')\n",
+ "print'%s %.5f %s'%('change in entropy =',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " enthalpy = 2797.8 kJ/kg\n",
+ "change in entropy = 0.01978 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 137"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate final pressure and change in entropy\n",
+ "import math\n",
+ "##initialisation of variables\n",
+ "p1= 5. ##bar\n",
+ "V1= 0.4 ##m^2\n",
+ "V2= 1.2 ##m^3\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 28.##gms\n",
+ "T1= 80.##C\n",
+ "##CALCULATIONS\n",
+ "p2= p1*(V1/V2)\n",
+ "S= R*math.log(V2/V1)/M\n",
+ "S1= S*p1*V1*100/((R/M)*(273.15+T1))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' final pressure =',p2,'bar')\n",
+ "print'%s %.4f %s'% ('change in entropy =',S1,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " final pressure = 1.667 bar\n",
+ "change in entropy = 0.6222 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg 137"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat and change in entropy of system and change in entropy of enironment\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "T= 400. ##K\n",
+ "p2= 1.6 ##bar\n",
+ "p1= 1. ##bar\n",
+ "Tenvir= 300. ##K\n",
+ "##CALCULATIONS\n",
+ "q= R*T*math.log(p2/p1)/M\n",
+ "S= -R*math.log(p2/p1)/M\n",
+ "Senvir= q/Tenvir\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('heat =',q,'kJ/kg')\n",
+ "print'%s %.4f %s'%('change in entropy of system=',S,'kJ/kg K')\n",
+ "print'%s %.4f %s'%('change in entropy of environment=',Senvir,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat = 53.9 kJ/kg\n",
+ "change in entropy of system= -0.1347 kJ/kg K\n",
+ "change in entropy of environment= 0.1797 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter8_3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter8_3.ipynb new file mode 100755 index 00000000..47114c69 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter8_3.ipynb @@ -0,0 +1,354 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:9c8ef7403d1e4089b03a877df55583eac7aa3f196537402cb7dc0697b6d5bbe7"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter8-Entropy"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1 pg- 168"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate and entropy of ice and environment and universe\n",
+ "##initialisation of variables\n",
+ "m= 2 ##kg\n",
+ "dh= 333.39 ##kg/h\n",
+ "T= 0 ##C\n",
+ "T1= 20 ##C\n",
+ "##CALCULATIONS\n",
+ "Q12= m*dh\n",
+ "dS= Q12/(273.15+T)\n",
+ "dSenvir= -Q12/(273.15+T1)\n",
+ "dStotal= dS+dSenvir\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' entropy of ice =',dS,'kJ/K')\n",
+ "print'%s %.3f %s'%('entropy of environment =',dSenvir,'kJ/K')\n",
+ "print'%s %.3f %s'%('entropy of universe =',dStotal,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " entropy of ice = 2.441 kJ/K\n",
+ "entropy of environment = -2.275 kJ/K\n",
+ "entropy of universe = 0.167 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg169"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate change in entropy in system and environment and entropy\n",
+ "##initialisation of variables\n",
+ "Q= 666.78 ##kJ\n",
+ "T= 0 ##C\n",
+ "Th= 20. ##C\n",
+ "##CALCULATIONS\n",
+ "Ssys= Q/(273.15+T)\n",
+ "Qh= Q*((273.15+Th)/(273.15+T))\n",
+ "Senvir= -Qh/(273.15+Th)\n",
+ "Stotal= Ssys+Senvir\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('change in entropy in sysytem =',Ssys,' kJ/K')\n",
+ "print'%s %.4f %s'%('change in entropy in environment =',Senvir,'kJ/K')\n",
+ "print'%s %.f %s'%('total change in entropy =',Stotal,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in entropy in sysytem = 2.4411 kJ/K\n",
+ "change in entropy in environment = -2.4411 kJ/K\n",
+ "total change in entropy = 0 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg171\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate change in entropy\n",
+ "##initialisation of variables\n",
+ "S1= 6.2872 ##J/kg K\n",
+ "S2= 5.8712 ##J/kg K\n",
+ "m= 18 ##kg\n",
+ "##CALCULATIONS\n",
+ "S= m*(S1-S2)\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' change in entropy =',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " change in entropy = 7.488 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 171"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate change in entropy\n",
+ "##initialisation of variables\n",
+ "S2= 5.8328 ##kJ/kg\n",
+ "S1= 5.8712 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "S= S2-S1\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('change in entropy = ',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in entropy = -0.03840 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg172"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and change in entropy\n",
+ "##initialisation of variables\n",
+ "m= 0.1 ##kg\n",
+ "p= 3 ##bar\n",
+ "p1= 10 ##bar\n",
+ "h1= 2964.3 ##kJ/kg\n",
+ "v1=0.2378\n",
+ "s2= 7.1619 ##kJ/k\n",
+ "s1= 6.9641 ##kJ/k\n",
+ "##CALCULATIONS\n",
+ "h2= h1+(p-p1)*math.pow(10,5)*v1*math.pow(10,-3)\n",
+ "S= m*(s2-s1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%(' enthalpy =',h2,'kJ/kg')\n",
+ "print'%s %.5f %s'%('change in entropy =',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " enthalpy = 2797.8 kJ/kg\n",
+ "change in entropy = 0.01978 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 174"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate final pressure and change in entropy\n",
+ "import math\n",
+ "##initialisation of variables\n",
+ "p1= 5. ##bar\n",
+ "V1= 0.4 ##m^2\n",
+ "V2= 1.2 ##m^3\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 28.##gms\n",
+ "T1= 80.##C\n",
+ "##CALCULATIONS\n",
+ "p2= p1*(V1/V2)\n",
+ "S= R*math.log(V2/V1)/M\n",
+ "S1= S*p1*V1*100/((R/M)*(273.15+T1))\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' final pressure =',p2,'bar')\n",
+ "print'%s %.4f %s'% ('change in entropy =',S1,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " final pressure = 1.667 bar\n",
+ "change in entropy = 0.6222 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg 175"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat and change in entropy of system and change in entropy of enironment\n",
+ "##initialisation of variables\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "T= 400. ##K\n",
+ "p2= 1.6 ##bar\n",
+ "p1= 1. ##bar\n",
+ "Tenvir= 300. ##K\n",
+ "##CALCULATIONS\n",
+ "q= R*T*math.log(p2/p1)/M\n",
+ "S= -R*math.log(p2/p1)/M\n",
+ "Senvir= q/Tenvir\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('heat =',q,'kJ/kg')\n",
+ "print'%s %.4f %s'%('change in entropy of system=',S,'kJ/kg K')\n",
+ "print'%s %.4f %s'%('change in entropy of environment=',Senvir,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat = 53.9 kJ/kg\n",
+ "change in entropy of system= -0.1347 kJ/kg K\n",
+ "change in entropy of environment= 0.1797 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex8-pg176"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "m1= 5 ##kg\n",
+ "c1= 1.26 ##kJ/kg K\n",
+ "m2= 20 ##kg\n",
+ "c2= 4.19 ##kJ/kg K\n",
+ "T1= 95 ##C\n",
+ "T2= 25 ##C\n",
+ "##CALCULATIONS\n",
+ "T= (m1*c1*T1+m2*c2*T2)/(m1*c1+m2*c2)\n",
+ "S1= m1*c1*math.log((273.15+T)/(273.15+T1))\n",
+ "S2= m2*c2*math.log((273.15+T)/(273.15+T2))\n",
+ "S= S1+S2\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% (' change in entropy of billet =',S1,' kJ/K')\n",
+ "print'%s %.2f %s'% (' change in entropy of water= ',S2,' kJ/kg K')\n",
+ "print'%s %.2f %s'% (' change in entropy of water=',S,' kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " change in entropy of billet = -1.23 kJ/K\n",
+ " change in entropy of water= 1.36 kJ/kg K\n",
+ " change in entropy of water= 0.14 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter9-Applications_of_the_second_law_of_thermodynamics.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter9-Applications_of_the_second_law_of_thermodynamics.ipynb new file mode 100755 index 00000000..f2acb74e --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter9-Applications_of_the_second_law_of_thermodynamics.ipynb @@ -0,0 +1,473 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:15fd1db156f91825255a086dbc12ea12cb6caac30db6feed49ee7e31d29fef8c"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter9-Applications of the second law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 152"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperatures and total entropy\n",
+ "##changeinitialisation of variables\n",
+ "p1= 3.##changeMpa\n",
+ "p2= 0.2 ##changeMpa\n",
+ "V1= 0.6 ##changem^3\n",
+ "V2= 1.##changem^3\n",
+ "M= 28. ##changegms\n",
+ "R= 8.314 ##changeJ/mol K\n",
+ "T= 400. ##changeC\n",
+ "T1= 150. ##changeC\n",
+ "k= 1.4\n",
+ "p3= 1.25 ##changeMpa\n",
+ "##changeCALCULATIONS\n",
+ "m1= p1*V1*10*10*10*M/(R*(273.15+T))\n",
+ "m2= p2*V2*10*10*10*M/(R*(273.15+T1))\n",
+ "p4= (p1*V1+p2*V2)/(V1+V2)\n",
+ "T2= (math.pow(p4/p1,k-1)/k)*(273.15+T)\n",
+ "m3= p3*V1*M*10*10*10/(R*T2)\n",
+ "dm= m1-m3\n",
+ "m4= m2+dm\n",
+ "T4= p3*10*10*10*V2/((R/M)*m4)\n",
+ "S= (R/M)*(m2*((k/(k-1))*math.log(T4/(273.15+T1))-math.log(p3/p2))+dm*((k/(k-1))*math.log(T4/(273.15+T))-math.log(p3/p1)))\n",
+ "##changeRESULTS\n",
+ "print'%s %.1f %s'%('final temperature =',T2,'K')\n",
+ "print'%s %.1f %s'%('final temperature =',T4,'K')\n",
+ "print'%s %.4f %s'%('Total entropy =',S,'KJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature = 338.8 K\n",
+ "final temperature = 1340.2 K\n",
+ "Total entropy = 2.5525 KJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg156"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work of the pump\n",
+ "##initialisation of variables\n",
+ "m= 10000 ##kg/h\n",
+ "P= 2.5 ##Mpa\n",
+ "P1= 100 ##kPa\n",
+ "v= 0.001003 ##m^3\n",
+ "##CALCULATIONS\n",
+ "W= -m*v*(P*10*10*10-P1)/3600\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' work of the pump =',W,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " work of the pump = -6.687 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 158"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "m= 4. ##kg/s\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "k= 1.4\n",
+ "T1= 27. ##C\n",
+ "p2= 1800. ##kPa\n",
+ "p1= 105. ##kPa\n",
+ "n= 1.22\n",
+ "cp= 1.4 ##Jmol K\n",
+ "##CALCULATIONS\n",
+ "T2= (273.15+T1)*(p2/p1)**((n-1)/n)\n",
+ "W= m*k*(R/M)*((273.15+T1)/(k-1))*(1-(p2/p1)**((k-1)/k))\n",
+ "Q= -m*R*(273.15+T1)*math.log(p2/p1)/M\n",
+ "W1= m*(R/M)*n*((273.15+T1)/(n-1))*(1-(p2/p1)**((n-1)/n))\n",
+ "Q1= m*(R/M)*(n-k)*(T2-T1-273.15)/((n-1)*(k-1))\n",
+ "T3= (273.15+T1)*(p2/p1)**((k-1)/(2*k))\n",
+ "Q2= m*cp*(R/M)*(T1+273.15-T3)/(k-1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('heat removed in adiabatic compression =',W,'kW')\n",
+ "print'%s %.1f %s'%('heat removed in isothermal compression =',Q,'kW')\n",
+ "print'%s %.1f %s'%('heat removed in polytropic process =',Q1,'kW')\n",
+ "print'%s %.2f %s'%('heat removed in adiabatic compression in two stages =',Q2,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat removed in adiabatic compression = -1508.5 kW\n",
+ "heat removed in isothermal compression = -978.1 kW\n",
+ "heat removed in polytropic process = -471.2 kW\n",
+ "heat removed in adiabatic compression in two stages = -603.21 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 161"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy\n",
+ "##initialisation of variables\n",
+ "h1= 3422.25 ##kJ/kg\n",
+ "m= 8. ##kg/s\n",
+ "s2= 7.3755 ##kJ/kg K\n",
+ "s1= 6.8803 ##kJ/kg K\n",
+ "e= 0.8\n",
+ "h2s= 2496.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "h2= h1+e*(h2s-h1)\n",
+ "W= m*(h1-h2)\n",
+ "S= s2-s1\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Enthalpy =',W,'kW')\n",
+ "print'%s %.4f %s'% ('Entropy =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enthalpy = 5922.9 kW\n",
+ "Entropy = 0.4952 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg162"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "calculate volume flow rate into composser and volume flow rate out composser and heat and work \n",
+ "##initialisation of variables\n",
+ "m= 0.2 ##kg/s\n",
+ "v1= 1.0803 ##m^3/kg\n",
+ "T= 200 ##C\n",
+ "s2= 5.8041 ##kJ/kg K\n",
+ "s1= 7.5066 ##kJ/kg K\n",
+ "h1= 2328.1 ##kJ/kg\n",
+ "h2= 2654.4 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "V1= m*v1\n",
+ "V2= 0.1*V1\n",
+ "Q= m*(273.15+T)*(s2-s1)\n",
+ "W= Q-m*(h1-h2)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('volume flow rate into composser =',V1,'m^3')\n",
+ "print'%s %.4f %s'%('volume flow rate out of composser =',V2,'m^3')\n",
+ "print'%s %.1f %s'%('Heat =',Q,'kJ')\n",
+ "print'%s %.1f %s'%(' Work =',W,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume flow rate into composser = 0.2161 m^3\n",
+ "volume flow rate out of composser = 0.0216 m^3\n",
+ "Heat = -161.1 kJ\n",
+ " Work = -95.8 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg164"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume flow rate out and into the composser and work and heat\n",
+ "##initialisation of variables\n",
+ "m1= 0.2 ##kg/s\n",
+ "v1= 1.0803 ##m^3/kg\n",
+ "P= 200 ##kPa\n",
+ "T= 200 ##C\n",
+ "s1= 5.8041 ##kJ.kg K\n",
+ "s2= 7.5066 ##kJ/kg K\n",
+ "h1= 2870.5 ##kJ/kg\n",
+ "h2= 2495.9 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "V1= m1*v1\n",
+ "V2= 0.1*V1\n",
+ "Q= m1*(273.15+T)*(s1-s2)\n",
+ "W= m1*((h1-h2)-(273.15+T)*(s2-s1))\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('volume flow rate into composser =',V1,'m^3/s')\n",
+ "print'%s %.4f %s'%('volume flow rate out of composser =',V2,'m^3/s') \n",
+ "print'%s %.1f %s'%('Work =',W,'kW')\n",
+ "print'%s %.1f %s'%('Heat =',Q,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume flow rate into composser = 0.2161 m^3/s\n",
+ "volume flow rate out of composser = 0.0216 m^3/s\n",
+ "Work = -86.2 kW\n",
+ "Heat = -161.1 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg166"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate rate of transfer\n",
+ "##initialisation of variables\n",
+ "e= 0.82\n",
+ "m= 5 ##kg/s\n",
+ "T3= 450 ##C\n",
+ "T1= 200 ##C\n",
+ "##CALCULATIONS\n",
+ "Q= e*m*1.0035*(T3-T1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('rate of transfer =',Q,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "rate of transfer = 1028.6 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg 166"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat at given enthalpy\n",
+ "##initialisation of variables\n",
+ "h1= 174.076 ##kJ/kg\n",
+ "h3= 74.527 ##kJ/kg\n",
+ "h4= 8.854 ##kJ/kg\n",
+ "m= 0.8 ##kg\n",
+ "e= 0.85\n",
+ "##CALCULATIONS\n",
+ "h2= h1+h3-h4\n",
+ "Q= m*(h2-h1-23)\n",
+ "Q1= e*Q\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('Heat =',Q,'kW')\n",
+ "print'%s %.2f %s'%('Heat =',Q1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Heat = 34.14 kW\n",
+ "Heat = 29.02 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example9-pg 167"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy change\n",
+ "##initialisation of variables\n",
+ "W= 2000. ##kW\n",
+ "m= 2. ##kg/s\n",
+ "h1= 3023.5 ##kJ/kg\n",
+ "s2= 5.6106 ##kJ/kg K\n",
+ "s1= 6.7664 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "h2= h1-(W/m)\n",
+ "S=s2-s1\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('enthalpy =',h2,'kJ/kg')\n",
+ "print'%s %.4f %s'%('entropy change =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy = 2023.5 kJ/kg\n",
+ "entropy change = -1.1558 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example10-pg 168"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy change\n",
+ "##initialisation of variables\n",
+ "m1= 1 ##kg\n",
+ "h1= 2967.6 ##kJ/kg\n",
+ "h2= 83.96 ##kJ/kg\n",
+ "m2= 10\n",
+ "s1= 7.5166 ##kJ/kg K\n",
+ "s2= 0.2966 ##kJ/kg K\n",
+ "s3= 1.1654 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "h3= (m1*h1+m2*h2)/(m1+m2)\n",
+ "S= -m1*s1-m2*s2+(m1+m2)*s3\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('enthalpy =',h3,'kJ/kg')\n",
+ "print'%s %.4f %s'%('entropy change =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy = 346.1 kJ/kg\n",
+ "entropy change = 2.3368 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter9.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter9.ipynb new file mode 100755 index 00000000..f2acb74e --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter9.ipynb @@ -0,0 +1,473 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:15fd1db156f91825255a086dbc12ea12cb6caac30db6feed49ee7e31d29fef8c"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter9-Applications of the second law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 152"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperatures and total entropy\n",
+ "##changeinitialisation of variables\n",
+ "p1= 3.##changeMpa\n",
+ "p2= 0.2 ##changeMpa\n",
+ "V1= 0.6 ##changem^3\n",
+ "V2= 1.##changem^3\n",
+ "M= 28. ##changegms\n",
+ "R= 8.314 ##changeJ/mol K\n",
+ "T= 400. ##changeC\n",
+ "T1= 150. ##changeC\n",
+ "k= 1.4\n",
+ "p3= 1.25 ##changeMpa\n",
+ "##changeCALCULATIONS\n",
+ "m1= p1*V1*10*10*10*M/(R*(273.15+T))\n",
+ "m2= p2*V2*10*10*10*M/(R*(273.15+T1))\n",
+ "p4= (p1*V1+p2*V2)/(V1+V2)\n",
+ "T2= (math.pow(p4/p1,k-1)/k)*(273.15+T)\n",
+ "m3= p3*V1*M*10*10*10/(R*T2)\n",
+ "dm= m1-m3\n",
+ "m4= m2+dm\n",
+ "T4= p3*10*10*10*V2/((R/M)*m4)\n",
+ "S= (R/M)*(m2*((k/(k-1))*math.log(T4/(273.15+T1))-math.log(p3/p2))+dm*((k/(k-1))*math.log(T4/(273.15+T))-math.log(p3/p1)))\n",
+ "##changeRESULTS\n",
+ "print'%s %.1f %s'%('final temperature =',T2,'K')\n",
+ "print'%s %.1f %s'%('final temperature =',T4,'K')\n",
+ "print'%s %.4f %s'%('Total entropy =',S,'KJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature = 338.8 K\n",
+ "final temperature = 1340.2 K\n",
+ "Total entropy = 2.5525 KJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg156"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work of the pump\n",
+ "##initialisation of variables\n",
+ "m= 10000 ##kg/h\n",
+ "P= 2.5 ##Mpa\n",
+ "P1= 100 ##kPa\n",
+ "v= 0.001003 ##m^3\n",
+ "##CALCULATIONS\n",
+ "W= -m*v*(P*10*10*10-P1)/3600\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' work of the pump =',W,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " work of the pump = -6.687 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 158"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "m= 4. ##kg/s\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "k= 1.4\n",
+ "T1= 27. ##C\n",
+ "p2= 1800. ##kPa\n",
+ "p1= 105. ##kPa\n",
+ "n= 1.22\n",
+ "cp= 1.4 ##Jmol K\n",
+ "##CALCULATIONS\n",
+ "T2= (273.15+T1)*(p2/p1)**((n-1)/n)\n",
+ "W= m*k*(R/M)*((273.15+T1)/(k-1))*(1-(p2/p1)**((k-1)/k))\n",
+ "Q= -m*R*(273.15+T1)*math.log(p2/p1)/M\n",
+ "W1= m*(R/M)*n*((273.15+T1)/(n-1))*(1-(p2/p1)**((n-1)/n))\n",
+ "Q1= m*(R/M)*(n-k)*(T2-T1-273.15)/((n-1)*(k-1))\n",
+ "T3= (273.15+T1)*(p2/p1)**((k-1)/(2*k))\n",
+ "Q2= m*cp*(R/M)*(T1+273.15-T3)/(k-1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('heat removed in adiabatic compression =',W,'kW')\n",
+ "print'%s %.1f %s'%('heat removed in isothermal compression =',Q,'kW')\n",
+ "print'%s %.1f %s'%('heat removed in polytropic process =',Q1,'kW')\n",
+ "print'%s %.2f %s'%('heat removed in adiabatic compression in two stages =',Q2,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat removed in adiabatic compression = -1508.5 kW\n",
+ "heat removed in isothermal compression = -978.1 kW\n",
+ "heat removed in polytropic process = -471.2 kW\n",
+ "heat removed in adiabatic compression in two stages = -603.21 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 161"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy\n",
+ "##initialisation of variables\n",
+ "h1= 3422.25 ##kJ/kg\n",
+ "m= 8. ##kg/s\n",
+ "s2= 7.3755 ##kJ/kg K\n",
+ "s1= 6.8803 ##kJ/kg K\n",
+ "e= 0.8\n",
+ "h2s= 2496.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "h2= h1+e*(h2s-h1)\n",
+ "W= m*(h1-h2)\n",
+ "S= s2-s1\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Enthalpy =',W,'kW')\n",
+ "print'%s %.4f %s'% ('Entropy =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enthalpy = 5922.9 kW\n",
+ "Entropy = 0.4952 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg162"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "calculate volume flow rate into composser and volume flow rate out composser and heat and work \n",
+ "##initialisation of variables\n",
+ "m= 0.2 ##kg/s\n",
+ "v1= 1.0803 ##m^3/kg\n",
+ "T= 200 ##C\n",
+ "s2= 5.8041 ##kJ/kg K\n",
+ "s1= 7.5066 ##kJ/kg K\n",
+ "h1= 2328.1 ##kJ/kg\n",
+ "h2= 2654.4 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "V1= m*v1\n",
+ "V2= 0.1*V1\n",
+ "Q= m*(273.15+T)*(s2-s1)\n",
+ "W= Q-m*(h1-h2)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('volume flow rate into composser =',V1,'m^3')\n",
+ "print'%s %.4f %s'%('volume flow rate out of composser =',V2,'m^3')\n",
+ "print'%s %.1f %s'%('Heat =',Q,'kJ')\n",
+ "print'%s %.1f %s'%(' Work =',W,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume flow rate into composser = 0.2161 m^3\n",
+ "volume flow rate out of composser = 0.0216 m^3\n",
+ "Heat = -161.1 kJ\n",
+ " Work = -95.8 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg164"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume flow rate out and into the composser and work and heat\n",
+ "##initialisation of variables\n",
+ "m1= 0.2 ##kg/s\n",
+ "v1= 1.0803 ##m^3/kg\n",
+ "P= 200 ##kPa\n",
+ "T= 200 ##C\n",
+ "s1= 5.8041 ##kJ.kg K\n",
+ "s2= 7.5066 ##kJ/kg K\n",
+ "h1= 2870.5 ##kJ/kg\n",
+ "h2= 2495.9 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "V1= m1*v1\n",
+ "V2= 0.1*V1\n",
+ "Q= m1*(273.15+T)*(s1-s2)\n",
+ "W= m1*((h1-h2)-(273.15+T)*(s2-s1))\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('volume flow rate into composser =',V1,'m^3/s')\n",
+ "print'%s %.4f %s'%('volume flow rate out of composser =',V2,'m^3/s') \n",
+ "print'%s %.1f %s'%('Work =',W,'kW')\n",
+ "print'%s %.1f %s'%('Heat =',Q,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume flow rate into composser = 0.2161 m^3/s\n",
+ "volume flow rate out of composser = 0.0216 m^3/s\n",
+ "Work = -86.2 kW\n",
+ "Heat = -161.1 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg166"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate rate of transfer\n",
+ "##initialisation of variables\n",
+ "e= 0.82\n",
+ "m= 5 ##kg/s\n",
+ "T3= 450 ##C\n",
+ "T1= 200 ##C\n",
+ "##CALCULATIONS\n",
+ "Q= e*m*1.0035*(T3-T1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('rate of transfer =',Q,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "rate of transfer = 1028.6 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg 166"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat at given enthalpy\n",
+ "##initialisation of variables\n",
+ "h1= 174.076 ##kJ/kg\n",
+ "h3= 74.527 ##kJ/kg\n",
+ "h4= 8.854 ##kJ/kg\n",
+ "m= 0.8 ##kg\n",
+ "e= 0.85\n",
+ "##CALCULATIONS\n",
+ "h2= h1+h3-h4\n",
+ "Q= m*(h2-h1-23)\n",
+ "Q1= e*Q\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('Heat =',Q,'kW')\n",
+ "print'%s %.2f %s'%('Heat =',Q1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Heat = 34.14 kW\n",
+ "Heat = 29.02 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example9-pg 167"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy change\n",
+ "##initialisation of variables\n",
+ "W= 2000. ##kW\n",
+ "m= 2. ##kg/s\n",
+ "h1= 3023.5 ##kJ/kg\n",
+ "s2= 5.6106 ##kJ/kg K\n",
+ "s1= 6.7664 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "h2= h1-(W/m)\n",
+ "S=s2-s1\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('enthalpy =',h2,'kJ/kg')\n",
+ "print'%s %.4f %s'%('entropy change =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy = 2023.5 kJ/kg\n",
+ "entropy change = -1.1558 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example10-pg 168"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy change\n",
+ "##initialisation of variables\n",
+ "m1= 1 ##kg\n",
+ "h1= 2967.6 ##kJ/kg\n",
+ "h2= 83.96 ##kJ/kg\n",
+ "m2= 10\n",
+ "s1= 7.5166 ##kJ/kg K\n",
+ "s2= 0.2966 ##kJ/kg K\n",
+ "s3= 1.1654 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "h3= (m1*h1+m2*h2)/(m1+m2)\n",
+ "S= -m1*s1-m2*s2+(m1+m2)*s3\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('enthalpy =',h3,'kJ/kg')\n",
+ "print'%s %.4f %s'%('entropy change =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy = 346.1 kJ/kg\n",
+ "entropy change = 2.3368 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter9_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter9_1.ipynb new file mode 100755 index 00000000..f2acb74e --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter9_1.ipynb @@ -0,0 +1,473 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:15fd1db156f91825255a086dbc12ea12cb6caac30db6feed49ee7e31d29fef8c"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter9-Applications of the second law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 152"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperatures and total entropy\n",
+ "##changeinitialisation of variables\n",
+ "p1= 3.##changeMpa\n",
+ "p2= 0.2 ##changeMpa\n",
+ "V1= 0.6 ##changem^3\n",
+ "V2= 1.##changem^3\n",
+ "M= 28. ##changegms\n",
+ "R= 8.314 ##changeJ/mol K\n",
+ "T= 400. ##changeC\n",
+ "T1= 150. ##changeC\n",
+ "k= 1.4\n",
+ "p3= 1.25 ##changeMpa\n",
+ "##changeCALCULATIONS\n",
+ "m1= p1*V1*10*10*10*M/(R*(273.15+T))\n",
+ "m2= p2*V2*10*10*10*M/(R*(273.15+T1))\n",
+ "p4= (p1*V1+p2*V2)/(V1+V2)\n",
+ "T2= (math.pow(p4/p1,k-1)/k)*(273.15+T)\n",
+ "m3= p3*V1*M*10*10*10/(R*T2)\n",
+ "dm= m1-m3\n",
+ "m4= m2+dm\n",
+ "T4= p3*10*10*10*V2/((R/M)*m4)\n",
+ "S= (R/M)*(m2*((k/(k-1))*math.log(T4/(273.15+T1))-math.log(p3/p2))+dm*((k/(k-1))*math.log(T4/(273.15+T))-math.log(p3/p1)))\n",
+ "##changeRESULTS\n",
+ "print'%s %.1f %s'%('final temperature =',T2,'K')\n",
+ "print'%s %.1f %s'%('final temperature =',T4,'K')\n",
+ "print'%s %.4f %s'%('Total entropy =',S,'KJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature = 338.8 K\n",
+ "final temperature = 1340.2 K\n",
+ "Total entropy = 2.5525 KJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg156"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work of the pump\n",
+ "##initialisation of variables\n",
+ "m= 10000 ##kg/h\n",
+ "P= 2.5 ##Mpa\n",
+ "P1= 100 ##kPa\n",
+ "v= 0.001003 ##m^3\n",
+ "##CALCULATIONS\n",
+ "W= -m*v*(P*10*10*10-P1)/3600\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' work of the pump =',W,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " work of the pump = -6.687 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 158"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "m= 4. ##kg/s\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "k= 1.4\n",
+ "T1= 27. ##C\n",
+ "p2= 1800. ##kPa\n",
+ "p1= 105. ##kPa\n",
+ "n= 1.22\n",
+ "cp= 1.4 ##Jmol K\n",
+ "##CALCULATIONS\n",
+ "T2= (273.15+T1)*(p2/p1)**((n-1)/n)\n",
+ "W= m*k*(R/M)*((273.15+T1)/(k-1))*(1-(p2/p1)**((k-1)/k))\n",
+ "Q= -m*R*(273.15+T1)*math.log(p2/p1)/M\n",
+ "W1= m*(R/M)*n*((273.15+T1)/(n-1))*(1-(p2/p1)**((n-1)/n))\n",
+ "Q1= m*(R/M)*(n-k)*(T2-T1-273.15)/((n-1)*(k-1))\n",
+ "T3= (273.15+T1)*(p2/p1)**((k-1)/(2*k))\n",
+ "Q2= m*cp*(R/M)*(T1+273.15-T3)/(k-1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('heat removed in adiabatic compression =',W,'kW')\n",
+ "print'%s %.1f %s'%('heat removed in isothermal compression =',Q,'kW')\n",
+ "print'%s %.1f %s'%('heat removed in polytropic process =',Q1,'kW')\n",
+ "print'%s %.2f %s'%('heat removed in adiabatic compression in two stages =',Q2,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat removed in adiabatic compression = -1508.5 kW\n",
+ "heat removed in isothermal compression = -978.1 kW\n",
+ "heat removed in polytropic process = -471.2 kW\n",
+ "heat removed in adiabatic compression in two stages = -603.21 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 161"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy\n",
+ "##initialisation of variables\n",
+ "h1= 3422.25 ##kJ/kg\n",
+ "m= 8. ##kg/s\n",
+ "s2= 7.3755 ##kJ/kg K\n",
+ "s1= 6.8803 ##kJ/kg K\n",
+ "e= 0.8\n",
+ "h2s= 2496.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "h2= h1+e*(h2s-h1)\n",
+ "W= m*(h1-h2)\n",
+ "S= s2-s1\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Enthalpy =',W,'kW')\n",
+ "print'%s %.4f %s'% ('Entropy =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enthalpy = 5922.9 kW\n",
+ "Entropy = 0.4952 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg162"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "calculate volume flow rate into composser and volume flow rate out composser and heat and work \n",
+ "##initialisation of variables\n",
+ "m= 0.2 ##kg/s\n",
+ "v1= 1.0803 ##m^3/kg\n",
+ "T= 200 ##C\n",
+ "s2= 5.8041 ##kJ/kg K\n",
+ "s1= 7.5066 ##kJ/kg K\n",
+ "h1= 2328.1 ##kJ/kg\n",
+ "h2= 2654.4 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "V1= m*v1\n",
+ "V2= 0.1*V1\n",
+ "Q= m*(273.15+T)*(s2-s1)\n",
+ "W= Q-m*(h1-h2)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('volume flow rate into composser =',V1,'m^3')\n",
+ "print'%s %.4f %s'%('volume flow rate out of composser =',V2,'m^3')\n",
+ "print'%s %.1f %s'%('Heat =',Q,'kJ')\n",
+ "print'%s %.1f %s'%(' Work =',W,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume flow rate into composser = 0.2161 m^3\n",
+ "volume flow rate out of composser = 0.0216 m^3\n",
+ "Heat = -161.1 kJ\n",
+ " Work = -95.8 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg164"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume flow rate out and into the composser and work and heat\n",
+ "##initialisation of variables\n",
+ "m1= 0.2 ##kg/s\n",
+ "v1= 1.0803 ##m^3/kg\n",
+ "P= 200 ##kPa\n",
+ "T= 200 ##C\n",
+ "s1= 5.8041 ##kJ.kg K\n",
+ "s2= 7.5066 ##kJ/kg K\n",
+ "h1= 2870.5 ##kJ/kg\n",
+ "h2= 2495.9 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "V1= m1*v1\n",
+ "V2= 0.1*V1\n",
+ "Q= m1*(273.15+T)*(s1-s2)\n",
+ "W= m1*((h1-h2)-(273.15+T)*(s2-s1))\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('volume flow rate into composser =',V1,'m^3/s')\n",
+ "print'%s %.4f %s'%('volume flow rate out of composser =',V2,'m^3/s') \n",
+ "print'%s %.1f %s'%('Work =',W,'kW')\n",
+ "print'%s %.1f %s'%('Heat =',Q,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume flow rate into composser = 0.2161 m^3/s\n",
+ "volume flow rate out of composser = 0.0216 m^3/s\n",
+ "Work = -86.2 kW\n",
+ "Heat = -161.1 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg166"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate rate of transfer\n",
+ "##initialisation of variables\n",
+ "e= 0.82\n",
+ "m= 5 ##kg/s\n",
+ "T3= 450 ##C\n",
+ "T1= 200 ##C\n",
+ "##CALCULATIONS\n",
+ "Q= e*m*1.0035*(T3-T1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('rate of transfer =',Q,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "rate of transfer = 1028.6 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg 166"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat at given enthalpy\n",
+ "##initialisation of variables\n",
+ "h1= 174.076 ##kJ/kg\n",
+ "h3= 74.527 ##kJ/kg\n",
+ "h4= 8.854 ##kJ/kg\n",
+ "m= 0.8 ##kg\n",
+ "e= 0.85\n",
+ "##CALCULATIONS\n",
+ "h2= h1+h3-h4\n",
+ "Q= m*(h2-h1-23)\n",
+ "Q1= e*Q\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('Heat =',Q,'kW')\n",
+ "print'%s %.2f %s'%('Heat =',Q1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Heat = 34.14 kW\n",
+ "Heat = 29.02 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example9-pg 167"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy change\n",
+ "##initialisation of variables\n",
+ "W= 2000. ##kW\n",
+ "m= 2. ##kg/s\n",
+ "h1= 3023.5 ##kJ/kg\n",
+ "s2= 5.6106 ##kJ/kg K\n",
+ "s1= 6.7664 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "h2= h1-(W/m)\n",
+ "S=s2-s1\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('enthalpy =',h2,'kJ/kg')\n",
+ "print'%s %.4f %s'%('entropy change =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy = 2023.5 kJ/kg\n",
+ "entropy change = -1.1558 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example10-pg 168"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy change\n",
+ "##initialisation of variables\n",
+ "m1= 1 ##kg\n",
+ "h1= 2967.6 ##kJ/kg\n",
+ "h2= 83.96 ##kJ/kg\n",
+ "m2= 10\n",
+ "s1= 7.5166 ##kJ/kg K\n",
+ "s2= 0.2966 ##kJ/kg K\n",
+ "s3= 1.1654 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "h3= (m1*h1+m2*h2)/(m1+m2)\n",
+ "S= -m1*s1-m2*s2+(m1+m2)*s3\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('enthalpy =',h3,'kJ/kg')\n",
+ "print'%s %.4f %s'%('entropy change =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy = 346.1 kJ/kg\n",
+ "entropy change = 2.3368 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter9_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter9_2.ipynb new file mode 100755 index 00000000..f2acb74e --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter9_2.ipynb @@ -0,0 +1,473 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:15fd1db156f91825255a086dbc12ea12cb6caac30db6feed49ee7e31d29fef8c"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter9-Applications of the second law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 152"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperatures and total entropy\n",
+ "##changeinitialisation of variables\n",
+ "p1= 3.##changeMpa\n",
+ "p2= 0.2 ##changeMpa\n",
+ "V1= 0.6 ##changem^3\n",
+ "V2= 1.##changem^3\n",
+ "M= 28. ##changegms\n",
+ "R= 8.314 ##changeJ/mol K\n",
+ "T= 400. ##changeC\n",
+ "T1= 150. ##changeC\n",
+ "k= 1.4\n",
+ "p3= 1.25 ##changeMpa\n",
+ "##changeCALCULATIONS\n",
+ "m1= p1*V1*10*10*10*M/(R*(273.15+T))\n",
+ "m2= p2*V2*10*10*10*M/(R*(273.15+T1))\n",
+ "p4= (p1*V1+p2*V2)/(V1+V2)\n",
+ "T2= (math.pow(p4/p1,k-1)/k)*(273.15+T)\n",
+ "m3= p3*V1*M*10*10*10/(R*T2)\n",
+ "dm= m1-m3\n",
+ "m4= m2+dm\n",
+ "T4= p3*10*10*10*V2/((R/M)*m4)\n",
+ "S= (R/M)*(m2*((k/(k-1))*math.log(T4/(273.15+T1))-math.log(p3/p2))+dm*((k/(k-1))*math.log(T4/(273.15+T))-math.log(p3/p1)))\n",
+ "##changeRESULTS\n",
+ "print'%s %.1f %s'%('final temperature =',T2,'K')\n",
+ "print'%s %.1f %s'%('final temperature =',T4,'K')\n",
+ "print'%s %.4f %s'%('Total entropy =',S,'KJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature = 338.8 K\n",
+ "final temperature = 1340.2 K\n",
+ "Total entropy = 2.5525 KJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg156"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work of the pump\n",
+ "##initialisation of variables\n",
+ "m= 10000 ##kg/h\n",
+ "P= 2.5 ##Mpa\n",
+ "P1= 100 ##kPa\n",
+ "v= 0.001003 ##m^3\n",
+ "##CALCULATIONS\n",
+ "W= -m*v*(P*10*10*10-P1)/3600\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' work of the pump =',W,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " work of the pump = -6.687 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 158"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "m= 4. ##kg/s\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "k= 1.4\n",
+ "T1= 27. ##C\n",
+ "p2= 1800. ##kPa\n",
+ "p1= 105. ##kPa\n",
+ "n= 1.22\n",
+ "cp= 1.4 ##Jmol K\n",
+ "##CALCULATIONS\n",
+ "T2= (273.15+T1)*(p2/p1)**((n-1)/n)\n",
+ "W= m*k*(R/M)*((273.15+T1)/(k-1))*(1-(p2/p1)**((k-1)/k))\n",
+ "Q= -m*R*(273.15+T1)*math.log(p2/p1)/M\n",
+ "W1= m*(R/M)*n*((273.15+T1)/(n-1))*(1-(p2/p1)**((n-1)/n))\n",
+ "Q1= m*(R/M)*(n-k)*(T2-T1-273.15)/((n-1)*(k-1))\n",
+ "T3= (273.15+T1)*(p2/p1)**((k-1)/(2*k))\n",
+ "Q2= m*cp*(R/M)*(T1+273.15-T3)/(k-1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('heat removed in adiabatic compression =',W,'kW')\n",
+ "print'%s %.1f %s'%('heat removed in isothermal compression =',Q,'kW')\n",
+ "print'%s %.1f %s'%('heat removed in polytropic process =',Q1,'kW')\n",
+ "print'%s %.2f %s'%('heat removed in adiabatic compression in two stages =',Q2,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat removed in adiabatic compression = -1508.5 kW\n",
+ "heat removed in isothermal compression = -978.1 kW\n",
+ "heat removed in polytropic process = -471.2 kW\n",
+ "heat removed in adiabatic compression in two stages = -603.21 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 161"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy\n",
+ "##initialisation of variables\n",
+ "h1= 3422.25 ##kJ/kg\n",
+ "m= 8. ##kg/s\n",
+ "s2= 7.3755 ##kJ/kg K\n",
+ "s1= 6.8803 ##kJ/kg K\n",
+ "e= 0.8\n",
+ "h2s= 2496.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "h2= h1+e*(h2s-h1)\n",
+ "W= m*(h1-h2)\n",
+ "S= s2-s1\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Enthalpy =',W,'kW')\n",
+ "print'%s %.4f %s'% ('Entropy =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enthalpy = 5922.9 kW\n",
+ "Entropy = 0.4952 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg162"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "calculate volume flow rate into composser and volume flow rate out composser and heat and work \n",
+ "##initialisation of variables\n",
+ "m= 0.2 ##kg/s\n",
+ "v1= 1.0803 ##m^3/kg\n",
+ "T= 200 ##C\n",
+ "s2= 5.8041 ##kJ/kg K\n",
+ "s1= 7.5066 ##kJ/kg K\n",
+ "h1= 2328.1 ##kJ/kg\n",
+ "h2= 2654.4 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "V1= m*v1\n",
+ "V2= 0.1*V1\n",
+ "Q= m*(273.15+T)*(s2-s1)\n",
+ "W= Q-m*(h1-h2)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('volume flow rate into composser =',V1,'m^3')\n",
+ "print'%s %.4f %s'%('volume flow rate out of composser =',V2,'m^3')\n",
+ "print'%s %.1f %s'%('Heat =',Q,'kJ')\n",
+ "print'%s %.1f %s'%(' Work =',W,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume flow rate into composser = 0.2161 m^3\n",
+ "volume flow rate out of composser = 0.0216 m^3\n",
+ "Heat = -161.1 kJ\n",
+ " Work = -95.8 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg164"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume flow rate out and into the composser and work and heat\n",
+ "##initialisation of variables\n",
+ "m1= 0.2 ##kg/s\n",
+ "v1= 1.0803 ##m^3/kg\n",
+ "P= 200 ##kPa\n",
+ "T= 200 ##C\n",
+ "s1= 5.8041 ##kJ.kg K\n",
+ "s2= 7.5066 ##kJ/kg K\n",
+ "h1= 2870.5 ##kJ/kg\n",
+ "h2= 2495.9 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "V1= m1*v1\n",
+ "V2= 0.1*V1\n",
+ "Q= m1*(273.15+T)*(s1-s2)\n",
+ "W= m1*((h1-h2)-(273.15+T)*(s2-s1))\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('volume flow rate into composser =',V1,'m^3/s')\n",
+ "print'%s %.4f %s'%('volume flow rate out of composser =',V2,'m^3/s') \n",
+ "print'%s %.1f %s'%('Work =',W,'kW')\n",
+ "print'%s %.1f %s'%('Heat =',Q,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume flow rate into composser = 0.2161 m^3/s\n",
+ "volume flow rate out of composser = 0.0216 m^3/s\n",
+ "Work = -86.2 kW\n",
+ "Heat = -161.1 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg166"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate rate of transfer\n",
+ "##initialisation of variables\n",
+ "e= 0.82\n",
+ "m= 5 ##kg/s\n",
+ "T3= 450 ##C\n",
+ "T1= 200 ##C\n",
+ "##CALCULATIONS\n",
+ "Q= e*m*1.0035*(T3-T1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('rate of transfer =',Q,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "rate of transfer = 1028.6 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg 166"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat at given enthalpy\n",
+ "##initialisation of variables\n",
+ "h1= 174.076 ##kJ/kg\n",
+ "h3= 74.527 ##kJ/kg\n",
+ "h4= 8.854 ##kJ/kg\n",
+ "m= 0.8 ##kg\n",
+ "e= 0.85\n",
+ "##CALCULATIONS\n",
+ "h2= h1+h3-h4\n",
+ "Q= m*(h2-h1-23)\n",
+ "Q1= e*Q\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('Heat =',Q,'kW')\n",
+ "print'%s %.2f %s'%('Heat =',Q1,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Heat = 34.14 kW\n",
+ "Heat = 29.02 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example9-pg 167"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy change\n",
+ "##initialisation of variables\n",
+ "W= 2000. ##kW\n",
+ "m= 2. ##kg/s\n",
+ "h1= 3023.5 ##kJ/kg\n",
+ "s2= 5.6106 ##kJ/kg K\n",
+ "s1= 6.7664 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "h2= h1-(W/m)\n",
+ "S=s2-s1\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('enthalpy =',h2,'kJ/kg')\n",
+ "print'%s %.4f %s'%('entropy change =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy = 2023.5 kJ/kg\n",
+ "entropy change = -1.1558 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example10-pg 168"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy change\n",
+ "##initialisation of variables\n",
+ "m1= 1 ##kg\n",
+ "h1= 2967.6 ##kJ/kg\n",
+ "h2= 83.96 ##kJ/kg\n",
+ "m2= 10\n",
+ "s1= 7.5166 ##kJ/kg K\n",
+ "s2= 0.2966 ##kJ/kg K\n",
+ "s3= 1.1654 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "h3= (m1*h1+m2*h2)/(m1+m2)\n",
+ "S= -m1*s1-m2*s2+(m1+m2)*s3\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('enthalpy =',h3,'kJ/kg')\n",
+ "print'%s %.4f %s'%('entropy change =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy = 346.1 kJ/kg\n",
+ "entropy change = 2.3368 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter9_3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter9_3.ipynb new file mode 100755 index 00000000..691462ca --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter9_3.ipynb @@ -0,0 +1,475 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:6d140b39334d6849c83f7e8a1c4ba8d4542274675b397290c6ad476b147314bb"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter9-Applications of the second law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 152"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperatures and total entropy\n",
+ "##changeinitialisation of variables\n",
+ "p1= 3.##changeMpa\n",
+ "p2= 0.2 ##changeMpa\n",
+ "V1= 0.6 ##changem^3\n",
+ "V2= 1.##changem^3\n",
+ "M= 28. ##changegms\n",
+ "R= 8.314 ##changeJ/mol K\n",
+ "T= 400. ##changeC\n",
+ "T1= 150. ##changeC\n",
+ "k= 1.4\n",
+ "p3= 1.25 ##changeMpa\n",
+ "##changeCALCULATIONS\n",
+ "m1= p1*V1*10.*10.*10.*M/(R*(273.15+T))\n",
+ "m2= p2*V2*10.*10.*10.*M/(R*(273.15+T1))\n",
+ "p4= (p1*V1+p2*V2)/(V1+V2)\n",
+ "T2= (math.pow(p4/p1,k-1.)/k)*(273.15+T)\n",
+ "m3= p3*V1*M*10.*10.*10./(R*T2)\n",
+ "dm= m1-m3\n",
+ "m4= m2+dm\n",
+ "T4= p3*10.*10.*10.*V2/((R/M)*m4)\n",
+ "S= (R/M)*(m2*((k/(k-1.))*math.log(T4/(273.15+T1))-math.log(p3/p2))+dm*((k/(k-1.))*math.log(T4/(273.15+T))-math.log(p3/p1)))\n",
+ "##changeRESULTS\n",
+ "print'%s %.1f %s'%('final temperature =',T2,'K')\n",
+ "print'%s %.1f %s'%('final temperature =',T4,'K')\n",
+ "print'%s %.4f %s'%('Total entropy =',S,'KJ/K')\n",
+ "#ans is not matching because round of error "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature = 338.8 K\n",
+ "final temperature = 1340.2 K\n",
+ "Total entropy = 2.5525 KJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg203"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work of the pump\n",
+ "##initialisation of variables\n",
+ "m= 10000 ##kg/h\n",
+ "P= 2.5 ##Mpa\n",
+ "P1= 100 ##kPa\n",
+ "v= 0.001003 ##m^3\n",
+ "##CALCULATIONS\n",
+ "W= -m*v*(P*10*10*10-P1)/3600\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%(' work of the pump =',W,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " work of the pump = -6.687 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg 205"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "m= 4. ##kg/s\n",
+ "R= 8.314 ##J/mol K\n",
+ "M= 29. ##gms\n",
+ "k= 1.4\n",
+ "T1= 27. ##C\n",
+ "p2= 1800. ##kPa\n",
+ "p1= 105. ##kPa\n",
+ "n= 1.22\n",
+ "cp= 1.4 ##Jmol K\n",
+ "##CALCULATIONS\n",
+ "T2= (273.15+T1)*(p2/p1)**((n-1)/n)\n",
+ "W= m*k*(R/M)*((273.15+T1)/(k-1))*(1-(p2/p1)**((k-1)/k))\n",
+ "Q= -m*R*(273.15+T1)*math.log(p2/p1)/M\n",
+ "W1= m*(R/M)*n*((273.15+T1)/(n-1))*(1-(p2/p1)**((n-1)/n))\n",
+ "Q1= m*(R/M)*(n-k)*(T2-T1-273.15)/((n-1)*(k-1))\n",
+ "T3= (273.15+T1)*(p2/p1)**((k-1)/(2*k))\n",
+ "Q2= m*cp*(R/M)*(T1+273.15-T3)/(k-1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('heat removed in adiabatic compression =',W,'kW')\n",
+ "print'%s %.1f %s'%('heat removed in isothermal compression =',Q,'kW')\n",
+ "print'%s %.1f %s'%('heat removed in polytropic process =',Q1,'kW')\n",
+ "print'%s %.2f %s'%('heat removed in adiabatic compression in two stages =',Q2,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat removed in adiabatic compression = -1508.5 kW\n",
+ "heat removed in isothermal compression = -978.1 kW\n",
+ "heat removed in polytropic process = -471.2 kW\n",
+ "heat removed in adiabatic compression in two stages = -603.21 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 208"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy\n",
+ "##initialisation of variables\n",
+ "h1= 3422.25 ##kJ/kg\n",
+ "m= 8. ##kg/s\n",
+ "s2= 7.3755 ##kJ/kg K\n",
+ "s1= 6.8803 ##kJ/kg K\n",
+ "e= 0.8\n",
+ "h2s= 2496.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "h2= h1+e*(h2s-h1)\n",
+ "W= m*(h1-h2)\n",
+ "S= s2-s1\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('Enthalpy =',W,'kW')\n",
+ "print'%s %.4f %s'% ('Entropy =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enthalpy = 5922.9 kW\n",
+ "Entropy = 0.4952 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg209"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "calculate volume flow rate into composser and volume flow rate out composser and heat and work \n",
+ "##initialisation of variables\n",
+ "m= 0.2 ##kg/s\n",
+ "v1= 1.0803 ##m^3/kg\n",
+ "T= 200 ##C\n",
+ "s2= 5.8041 ##kJ/kg K\n",
+ "s1= 7.5066 ##kJ/kg K\n",
+ "h1= 2328.1 ##kJ/kg\n",
+ "h2= 2654.4 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "V1= m*v1\n",
+ "V2= 0.1*V1\n",
+ "Q= m*(273.15+T)*(s2-s1)\n",
+ "W= Q-m*(h1-h2)\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'%('volume flow rate into composser =',V1,'m^3')\n",
+ "print'%s %.4f %s'%('volume flow rate out of composser =',V2,'m^3')\n",
+ "print'%s %.1f %s'%('Heat =',Q,'kJ')\n",
+ "print'%s %.1f %s'%(' Work =',W,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume flow rate into composser = 0.2161 m^3\n",
+ "volume flow rate out of composser = 0.0216 m^3\n",
+ "Heat = -161.1 kJ\n",
+ " Work = -95.8 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg211"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate volume flow rate out and into the composser and work and heat\n",
+ "##initialisation of variables\n",
+ "m1= 0.2 ##kg/s\n",
+ "v1= 1.0803 ##m^3/kg\n",
+ "P= 200 ##kPa\n",
+ "T= 200 ##C\n",
+ "s1= 5.8041 ##kJ.kg K\n",
+ "s2= 7.5066 ##kJ/kg K\n",
+ "h1= 2870.5 ##kJ/kg\n",
+ "h2= 2495.9 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "V1= m1*v1\n",
+ "V2= 0.1*V1\n",
+ "Q= m1*(273.15+T)*(s1-s2)\n",
+ "W= m1*((h1-h2)-(273.15+T)*(s2-s1))\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('volume flow rate into composser =',V1,'m^3/s')\n",
+ "print'%s %.4f %s'%('volume flow rate out of composser =',V2,'m^3/s') \n",
+ "print'%s %.1f %s'%('Work =',W,'kW')\n",
+ "print'%s %.1f %s'%('Heat =',Q,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume flow rate into composser = 0.2161 m^3/s\n",
+ "volume flow rate out of composser = 0.0216 m^3/s\n",
+ "Work = -86.2 kW\n",
+ "Heat = -161.1 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg213"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate rate of transfer\n",
+ "##initialisation of variables\n",
+ "e= 0.82\n",
+ "m= 5 ##kg/s\n",
+ "T3= 450 ##C\n",
+ "T1= 200 ##C\n",
+ "##CALCULATIONS\n",
+ "Q= e*m*1.0035*(T3-T1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('rate of transfer =',Q,'kW')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "rate of transfer = 1028.6 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg 211"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate heat at given enthalpy\n",
+ "##initialisation of variables\n",
+ "h1= 174.076 ##kJ/kg\n",
+ "h3= 74.527 ##kJ/kg\n",
+ "h4= 8.854 ##kJ/kg\n",
+ "m= 0.8 ##kg\n",
+ "e= 0.85\n",
+ "##CALCULATIONS\n",
+ "h2= h1+h3-h4\n",
+ "Q= m*(h2-h1-23)\n",
+ "Q1= e*Q\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('Heat =',Q,'kW')\n",
+ "print'%s %.2f %s'%('Heat =',Q1,'kW')\n",
+ "#round of error\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Heat = 34.14 kW\n",
+ "Heat = 29.02 kW\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example9-pg 214"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy change\n",
+ "##initialisation of variables\n",
+ "W= 2000. ##kW\n",
+ "m= 2. ##kg/s\n",
+ "h1= 3023.5 ##kJ/kg\n",
+ "s2= 5.6106 ##kJ/kg K\n",
+ "s1= 6.7664 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "h2= h1-(W/m)\n",
+ "S=s2-s1\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('enthalpy =',h2,'kJ/kg')\n",
+ "print'%s %.4f %s'%('entropy change =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy = 2023.5 kJ/kg\n",
+ "entropy change = -1.1558 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example10-pg 215"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate enthalpy and entropy change\n",
+ "##initialisation of variables\n",
+ "m1= 1 ##kg\n",
+ "h1= 2967.6 ##kJ/kg\n",
+ "h2= 83.96 ##kJ/kg\n",
+ "m2= 10\n",
+ "s1= 7.5166 ##kJ/kg K\n",
+ "s2= 0.2966 ##kJ/kg K\n",
+ "s3= 1.1654 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "h3= (m1*h1+m2*h2)/(m1+m2)\n",
+ "S= -m1*s1-m2*s2+(m1+m2)*s3\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('enthalpy =',h3,'kJ/kg')\n",
+ "print'%s %.4f %s'%('entropy change =',S,'kJ/kg K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "enthalpy = 346.1 kJ/kg\n",
+ "entropy change = 2.3368 kJ/kg K\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_2.ipynb new file mode 100755 index 00000000..1b242151 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_2.ipynb @@ -0,0 +1,69 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:2df70ea24eb675b5df88544238cda98c7d9d4538b630227696b56b410ea0e81e"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 2 - Work"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2 pg 12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the mass of oxygen and density of oxygen and specific volume and molar specific volume\n",
+ "##initialisation of variables\n",
+ "n= 0.25 ## k mol\n",
+ "M= 32 ##kg/kmol\n",
+ "V= 0.5 ##m^3\n",
+ "##CALCULATIONS\n",
+ "m= n*M\n",
+ "d= m/V\n",
+ "v= 1/d\n",
+ "v1= V/n\n",
+ "##RESULTS\n",
+ "print'%s %.0f %s'%(\"mass of oxygen=\",m,'kg')\n",
+ "print'%s %.0f %s'%(\"density of oxygen=\",d,'kg/m^3')\n",
+ "print'%s %.4f %s'%('specific volume=',v,'kg/m^3')\n",
+ "print'%s %.0f %s'%('molar specific volume=',v1,'m^3/kmol')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of oxygen= 8 kg\n",
+ "density of oxygen= 16 kg/m^3\n",
+ "specific volume= 0.0625 kg/m^3\n",
+ "molar specific volume= 2 m^3/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_2_-Basic_concepts_.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_2_-Basic_concepts_.ipynb new file mode 100755 index 00000000..a9cf01c8 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_2_-Basic_concepts_.ipynb @@ -0,0 +1,69 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:c445f39e7878cf61ffc763516de39900f14df501737d9a8da58454f14557359b"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 2 - Basic concepts "
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2 pg 12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the mass of oxygen and density of oxygen and specific volume and molar specific volume\n",
+ "##initialisation of variables\n",
+ "n= 0.25 ## k mol\n",
+ "M= 32 ##kg/kmol\n",
+ "V= 0.5 ##m^3\n",
+ "##CALCULATIONS\n",
+ "m= n*M\n",
+ "d= m/V\n",
+ "v= 1/d\n",
+ "v1= V/n\n",
+ "##RESULTS\n",
+ "print'%s %.0f %s'%(\"mass of oxygen=\",m,'kg')\n",
+ "print'%s %.0f %s'%(\"density of oxygen=\",d,'kg/m^3')\n",
+ "print'%s %.4f %s'%('specific volume=',v,'kg/m^3')\n",
+ "print'%s %.0f %s'%('molar specific volume=',v1,'m^3/kmol')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of oxygen= 8 kg\n",
+ "density of oxygen= 16 kg/m^3\n",
+ "specific volume= 0.0625 kg/m^3\n",
+ "molar specific volume= 2 m^3/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_2_-Basic_concepts__1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_2_-Basic_concepts__1.ipynb new file mode 100755 index 00000000..a9cf01c8 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_2_-Basic_concepts__1.ipynb @@ -0,0 +1,69 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:c445f39e7878cf61ffc763516de39900f14df501737d9a8da58454f14557359b"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 2 - Basic concepts "
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2 pg 12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the mass of oxygen and density of oxygen and specific volume and molar specific volume\n",
+ "##initialisation of variables\n",
+ "n= 0.25 ## k mol\n",
+ "M= 32 ##kg/kmol\n",
+ "V= 0.5 ##m^3\n",
+ "##CALCULATIONS\n",
+ "m= n*M\n",
+ "d= m/V\n",
+ "v= 1/d\n",
+ "v1= V/n\n",
+ "##RESULTS\n",
+ "print'%s %.0f %s'%(\"mass of oxygen=\",m,'kg')\n",
+ "print'%s %.0f %s'%(\"density of oxygen=\",d,'kg/m^3')\n",
+ "print'%s %.4f %s'%('specific volume=',v,'kg/m^3')\n",
+ "print'%s %.0f %s'%('molar specific volume=',v1,'m^3/kmol')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of oxygen= 8 kg\n",
+ "density of oxygen= 16 kg/m^3\n",
+ "specific volume= 0.0625 kg/m^3\n",
+ "molar specific volume= 2 m^3/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_2_-Basic_concepts__2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_2_-Basic_concepts__2.ipynb new file mode 100755 index 00000000..a9cf01c8 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_2_-Basic_concepts__2.ipynb @@ -0,0 +1,69 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:c445f39e7878cf61ffc763516de39900f14df501737d9a8da58454f14557359b"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 2 - Basic concepts "
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2 pg 12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the mass of oxygen and density of oxygen and specific volume and molar specific volume\n",
+ "##initialisation of variables\n",
+ "n= 0.25 ## k mol\n",
+ "M= 32 ##kg/kmol\n",
+ "V= 0.5 ##m^3\n",
+ "##CALCULATIONS\n",
+ "m= n*M\n",
+ "d= m/V\n",
+ "v= 1/d\n",
+ "v1= V/n\n",
+ "##RESULTS\n",
+ "print'%s %.0f %s'%(\"mass of oxygen=\",m,'kg')\n",
+ "print'%s %.0f %s'%(\"density of oxygen=\",d,'kg/m^3')\n",
+ "print'%s %.4f %s'%('specific volume=',v,'kg/m^3')\n",
+ "print'%s %.0f %s'%('molar specific volume=',v1,'m^3/kmol')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of oxygen= 8 kg\n",
+ "density of oxygen= 16 kg/m^3\n",
+ "specific volume= 0.0625 kg/m^3\n",
+ "molar specific volume= 2 m^3/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_2_-Basic_concepts__3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_2_-Basic_concepts__3.ipynb new file mode 100755 index 00000000..a9cf01c8 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_2_-Basic_concepts__3.ipynb @@ -0,0 +1,69 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:c445f39e7878cf61ffc763516de39900f14df501737d9a8da58454f14557359b"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 2 - Basic concepts "
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2 pg 12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the mass of oxygen and density of oxygen and specific volume and molar specific volume\n",
+ "##initialisation of variables\n",
+ "n= 0.25 ## k mol\n",
+ "M= 32 ##kg/kmol\n",
+ "V= 0.5 ##m^3\n",
+ "##CALCULATIONS\n",
+ "m= n*M\n",
+ "d= m/V\n",
+ "v= 1/d\n",
+ "v1= V/n\n",
+ "##RESULTS\n",
+ "print'%s %.0f %s'%(\"mass of oxygen=\",m,'kg')\n",
+ "print'%s %.0f %s'%(\"density of oxygen=\",d,'kg/m^3')\n",
+ "print'%s %.4f %s'%('specific volume=',v,'kg/m^3')\n",
+ "print'%s %.0f %s'%('molar specific volume=',v1,'m^3/kmol')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of oxygen= 8 kg\n",
+ "density of oxygen= 16 kg/m^3\n",
+ "specific volume= 0.0625 kg/m^3\n",
+ "molar specific volume= 2 m^3/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_2_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_2_1.ipynb new file mode 100755 index 00000000..a9cf01c8 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_2_1.ipynb @@ -0,0 +1,69 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:c445f39e7878cf61ffc763516de39900f14df501737d9a8da58454f14557359b"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 2 - Basic concepts "
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2 pg 12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the mass of oxygen and density of oxygen and specific volume and molar specific volume\n",
+ "##initialisation of variables\n",
+ "n= 0.25 ## k mol\n",
+ "M= 32 ##kg/kmol\n",
+ "V= 0.5 ##m^3\n",
+ "##CALCULATIONS\n",
+ "m= n*M\n",
+ "d= m/V\n",
+ "v= 1/d\n",
+ "v1= V/n\n",
+ "##RESULTS\n",
+ "print'%s %.0f %s'%(\"mass of oxygen=\",m,'kg')\n",
+ "print'%s %.0f %s'%(\"density of oxygen=\",d,'kg/m^3')\n",
+ "print'%s %.4f %s'%('specific volume=',v,'kg/m^3')\n",
+ "print'%s %.0f %s'%('molar specific volume=',v1,'m^3/kmol')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of oxygen= 8 kg\n",
+ "density of oxygen= 16 kg/m^3\n",
+ "specific volume= 0.0625 kg/m^3\n",
+ "molar specific volume= 2 m^3/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_2_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_2_2.ipynb new file mode 100755 index 00000000..a9cf01c8 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_2_2.ipynb @@ -0,0 +1,69 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:c445f39e7878cf61ffc763516de39900f14df501737d9a8da58454f14557359b"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 2 - Basic concepts "
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2 pg 12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the mass of oxygen and density of oxygen and specific volume and molar specific volume\n",
+ "##initialisation of variables\n",
+ "n= 0.25 ## k mol\n",
+ "M= 32 ##kg/kmol\n",
+ "V= 0.5 ##m^3\n",
+ "##CALCULATIONS\n",
+ "m= n*M\n",
+ "d= m/V\n",
+ "v= 1/d\n",
+ "v1= V/n\n",
+ "##RESULTS\n",
+ "print'%s %.0f %s'%(\"mass of oxygen=\",m,'kg')\n",
+ "print'%s %.0f %s'%(\"density of oxygen=\",d,'kg/m^3')\n",
+ "print'%s %.4f %s'%('specific volume=',v,'kg/m^3')\n",
+ "print'%s %.0f %s'%('molar specific volume=',v1,'m^3/kmol')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of oxygen= 8 kg\n",
+ "density of oxygen= 16 kg/m^3\n",
+ "specific volume= 0.0625 kg/m^3\n",
+ "molar specific volume= 2 m^3/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_2_3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_2_3.ipynb new file mode 100755 index 00000000..c8ea771b --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_2_3.ipynb @@ -0,0 +1,69 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:882feb469ab957881db3b5f222288d33682abe4b2aecf80e0e5d8c61ca30e228"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 2 - Basic concepts "
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2 pg 11"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the mass of oxygen and density of oxygen and specific volume and molar specific volume\n",
+ "##initialisation of variables\n",
+ "n= 0.25 ## k mol\n",
+ "M= 32 ##kg/kmol\n",
+ "V= 0.5 ##m^3\n",
+ "##CALCULATIONS\n",
+ "m= n*M\n",
+ "d= m/V\n",
+ "v= 1/d\n",
+ "v1= V/n\n",
+ "##RESULTS\n",
+ "print'%s %.0f %s'%(\"mass of oxygen=\",m,'kg')\n",
+ "print'%s %.0f %s'%(\"density of oxygen=\",d,'kg/m^3')\n",
+ "print'%s %.4f %s'%('specific volume=',v,'kg/m^3')\n",
+ "print'%s %.0f %s'%('molar specific volume=',v1,'m^3/kmol')\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of oxygen= 8 kg\n",
+ "density of oxygen= 16 kg/m^3\n",
+ "specific volume= 0.0625 kg/m^3\n",
+ "molar specific volume= 2 m^3/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_3-Work_energy_and_heat_first_law_of_thermodynamics.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_3-Work_energy_and_heat_first_law_of_thermodynamics.ipynb new file mode 100755 index 00000000..f4e0af8d --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_3-Work_energy_and_heat_first_law_of_thermodynamics.ipynb @@ -0,0 +1,220 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:56539cb8410013a7d0be3df1cf1e85c7a8b906e5f399b600535904fe0fd98e57"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter3-Work energy and heat first law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3 - Pg 24"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work interaction of spring\n",
+ "##initialisation of variables\n",
+ "m= 5 ##kg\n",
+ "g= 9.8 ##m/sec^2\n",
+ "k= 500 ##N/m\n",
+ "##CALCULATIONS\n",
+ "x= m*g/k\n",
+ "W= -m*g*x\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work interaction of spring = ',W,'J')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work interaction of spring = -4.80 J\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4 pg 25"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work done by the gas\n",
+ "##initialisation of variables\n",
+ "m= 500 ##kg\n",
+ "V= 50 ##L\n",
+ "P= 700 ##kPa\n",
+ "T= 25 ##C\n",
+ "P0= 100 ##kPa\n",
+ "g= 9.8 ##m/sec^2\n",
+ "A= 200 ##cm^2\n",
+ "V1= 100 ##L\n",
+ "##CALCULATIONS\n",
+ "pe= P0*math.pow(10,3)+(m*g/(A*(math.pow(10,-4))))\n",
+ "W= pe*(V1-V)*(math.pow(10,-6))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work of the gas =',W,'kJ')"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the gas = 17.25 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5 pg 27"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calcualte the energy change in process 1,2,3 and work in third process\n",
+ "##initialisation of variables\n",
+ "W= 5 ##kJ\n",
+ "Q= 23 ##kJ\n",
+ "Q1= -50 ##kJ\n",
+ "W1= 0 ##kJ\n",
+ "##CALCULATIONS\n",
+ "E1= Q-W\n",
+ "E2= Q1-W1\n",
+ "E3= -(E1+E2)\n",
+ "W3= -E3\n",
+ "##RESULTS\n",
+ "print '%s %.f %s'%('energy change in process 1 =',E1,'kJ')\n",
+ "print'%s %.f %s'% ('energy change in process 2 = ',E2,'kJ')\n",
+ "print '%s %.f %s'%('energy change in process 3 = ',E3,'kJ')\n",
+ "print '%s %.f %s'%('Work in third process = ',W3,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "energy change in process 1 = 18 kJ\n",
+ "energy change in process 2 = -50 kJ\n",
+ "energy change in process 3 = 32 kJ\n",
+ "Work in third process = -32 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculat the car mileage of given variable\n",
+ "##initialisation of variables\n",
+ "V= 12 ##km/L\n",
+ "##CALCULATIONS\n",
+ "MPG= V*3.7854/1.609\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('car mileage =',MPG,'MPG')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "car mileage = 28.23 MPG\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##find whether salesman is honest or not\n",
+ "##initialisation of variables\n",
+ "p= 800 ##atm\n",
+ "P= 10000 ##psi\n",
+ "x= 14.696 ##psi/atm\n",
+ "##CALCULATIONS\n",
+ "P1= p*x\n",
+ "##RESULTS\n",
+ "if (P1>P):\n",
+ "\tprint (\"Salesman is honest\")\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Salesman is honest\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_3-Work_energy_and_heat_first_law_of_thermodynamics_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_3-Work_energy_and_heat_first_law_of_thermodynamics_1.ipynb new file mode 100755 index 00000000..f4e0af8d --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_3-Work_energy_and_heat_first_law_of_thermodynamics_1.ipynb @@ -0,0 +1,220 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:56539cb8410013a7d0be3df1cf1e85c7a8b906e5f399b600535904fe0fd98e57"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter3-Work energy and heat first law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3 - Pg 24"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work interaction of spring\n",
+ "##initialisation of variables\n",
+ "m= 5 ##kg\n",
+ "g= 9.8 ##m/sec^2\n",
+ "k= 500 ##N/m\n",
+ "##CALCULATIONS\n",
+ "x= m*g/k\n",
+ "W= -m*g*x\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work interaction of spring = ',W,'J')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work interaction of spring = -4.80 J\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4 pg 25"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work done by the gas\n",
+ "##initialisation of variables\n",
+ "m= 500 ##kg\n",
+ "V= 50 ##L\n",
+ "P= 700 ##kPa\n",
+ "T= 25 ##C\n",
+ "P0= 100 ##kPa\n",
+ "g= 9.8 ##m/sec^2\n",
+ "A= 200 ##cm^2\n",
+ "V1= 100 ##L\n",
+ "##CALCULATIONS\n",
+ "pe= P0*math.pow(10,3)+(m*g/(A*(math.pow(10,-4))))\n",
+ "W= pe*(V1-V)*(math.pow(10,-6))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work of the gas =',W,'kJ')"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the gas = 17.25 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5 pg 27"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calcualte the energy change in process 1,2,3 and work in third process\n",
+ "##initialisation of variables\n",
+ "W= 5 ##kJ\n",
+ "Q= 23 ##kJ\n",
+ "Q1= -50 ##kJ\n",
+ "W1= 0 ##kJ\n",
+ "##CALCULATIONS\n",
+ "E1= Q-W\n",
+ "E2= Q1-W1\n",
+ "E3= -(E1+E2)\n",
+ "W3= -E3\n",
+ "##RESULTS\n",
+ "print '%s %.f %s'%('energy change in process 1 =',E1,'kJ')\n",
+ "print'%s %.f %s'% ('energy change in process 2 = ',E2,'kJ')\n",
+ "print '%s %.f %s'%('energy change in process 3 = ',E3,'kJ')\n",
+ "print '%s %.f %s'%('Work in third process = ',W3,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "energy change in process 1 = 18 kJ\n",
+ "energy change in process 2 = -50 kJ\n",
+ "energy change in process 3 = 32 kJ\n",
+ "Work in third process = -32 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculat the car mileage of given variable\n",
+ "##initialisation of variables\n",
+ "V= 12 ##km/L\n",
+ "##CALCULATIONS\n",
+ "MPG= V*3.7854/1.609\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('car mileage =',MPG,'MPG')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "car mileage = 28.23 MPG\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##find whether salesman is honest or not\n",
+ "##initialisation of variables\n",
+ "p= 800 ##atm\n",
+ "P= 10000 ##psi\n",
+ "x= 14.696 ##psi/atm\n",
+ "##CALCULATIONS\n",
+ "P1= p*x\n",
+ "##RESULTS\n",
+ "if (P1>P):\n",
+ "\tprint (\"Salesman is honest\")\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Salesman is honest\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_3-Work_energy_and_heat_first_law_of_thermodynamics_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_3-Work_energy_and_heat_first_law_of_thermodynamics_2.ipynb new file mode 100755 index 00000000..f4e0af8d --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_3-Work_energy_and_heat_first_law_of_thermodynamics_2.ipynb @@ -0,0 +1,220 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:56539cb8410013a7d0be3df1cf1e85c7a8b906e5f399b600535904fe0fd98e57"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter3-Work energy and heat first law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3 - Pg 24"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work interaction of spring\n",
+ "##initialisation of variables\n",
+ "m= 5 ##kg\n",
+ "g= 9.8 ##m/sec^2\n",
+ "k= 500 ##N/m\n",
+ "##CALCULATIONS\n",
+ "x= m*g/k\n",
+ "W= -m*g*x\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work interaction of spring = ',W,'J')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work interaction of spring = -4.80 J\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4 pg 25"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work done by the gas\n",
+ "##initialisation of variables\n",
+ "m= 500 ##kg\n",
+ "V= 50 ##L\n",
+ "P= 700 ##kPa\n",
+ "T= 25 ##C\n",
+ "P0= 100 ##kPa\n",
+ "g= 9.8 ##m/sec^2\n",
+ "A= 200 ##cm^2\n",
+ "V1= 100 ##L\n",
+ "##CALCULATIONS\n",
+ "pe= P0*math.pow(10,3)+(m*g/(A*(math.pow(10,-4))))\n",
+ "W= pe*(V1-V)*(math.pow(10,-6))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work of the gas =',W,'kJ')"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the gas = 17.25 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5 pg 27"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calcualte the energy change in process 1,2,3 and work in third process\n",
+ "##initialisation of variables\n",
+ "W= 5 ##kJ\n",
+ "Q= 23 ##kJ\n",
+ "Q1= -50 ##kJ\n",
+ "W1= 0 ##kJ\n",
+ "##CALCULATIONS\n",
+ "E1= Q-W\n",
+ "E2= Q1-W1\n",
+ "E3= -(E1+E2)\n",
+ "W3= -E3\n",
+ "##RESULTS\n",
+ "print '%s %.f %s'%('energy change in process 1 =',E1,'kJ')\n",
+ "print'%s %.f %s'% ('energy change in process 2 = ',E2,'kJ')\n",
+ "print '%s %.f %s'%('energy change in process 3 = ',E3,'kJ')\n",
+ "print '%s %.f %s'%('Work in third process = ',W3,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "energy change in process 1 = 18 kJ\n",
+ "energy change in process 2 = -50 kJ\n",
+ "energy change in process 3 = 32 kJ\n",
+ "Work in third process = -32 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculat the car mileage of given variable\n",
+ "##initialisation of variables\n",
+ "V= 12 ##km/L\n",
+ "##CALCULATIONS\n",
+ "MPG= V*3.7854/1.609\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('car mileage =',MPG,'MPG')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "car mileage = 28.23 MPG\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##find whether salesman is honest or not\n",
+ "##initialisation of variables\n",
+ "p= 800 ##atm\n",
+ "P= 10000 ##psi\n",
+ "x= 14.696 ##psi/atm\n",
+ "##CALCULATIONS\n",
+ "P1= p*x\n",
+ "##RESULTS\n",
+ "if (P1>P):\n",
+ "\tprint (\"Salesman is honest\")\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Salesman is honest\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_3-Work_energy_and_heat_first_law_of_thermodynamics_3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_3-Work_energy_and_heat_first_law_of_thermodynamics_3.ipynb new file mode 100755 index 00000000..f4e0af8d --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_3-Work_energy_and_heat_first_law_of_thermodynamics_3.ipynb @@ -0,0 +1,220 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:56539cb8410013a7d0be3df1cf1e85c7a8b906e5f399b600535904fe0fd98e57"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter3-Work energy and heat first law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3 - Pg 24"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work interaction of spring\n",
+ "##initialisation of variables\n",
+ "m= 5 ##kg\n",
+ "g= 9.8 ##m/sec^2\n",
+ "k= 500 ##N/m\n",
+ "##CALCULATIONS\n",
+ "x= m*g/k\n",
+ "W= -m*g*x\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work interaction of spring = ',W,'J')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work interaction of spring = -4.80 J\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4 pg 25"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work done by the gas\n",
+ "##initialisation of variables\n",
+ "m= 500 ##kg\n",
+ "V= 50 ##L\n",
+ "P= 700 ##kPa\n",
+ "T= 25 ##C\n",
+ "P0= 100 ##kPa\n",
+ "g= 9.8 ##m/sec^2\n",
+ "A= 200 ##cm^2\n",
+ "V1= 100 ##L\n",
+ "##CALCULATIONS\n",
+ "pe= P0*math.pow(10,3)+(m*g/(A*(math.pow(10,-4))))\n",
+ "W= pe*(V1-V)*(math.pow(10,-6))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work of the gas =',W,'kJ')"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the gas = 17.25 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5 pg 27"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calcualte the energy change in process 1,2,3 and work in third process\n",
+ "##initialisation of variables\n",
+ "W= 5 ##kJ\n",
+ "Q= 23 ##kJ\n",
+ "Q1= -50 ##kJ\n",
+ "W1= 0 ##kJ\n",
+ "##CALCULATIONS\n",
+ "E1= Q-W\n",
+ "E2= Q1-W1\n",
+ "E3= -(E1+E2)\n",
+ "W3= -E3\n",
+ "##RESULTS\n",
+ "print '%s %.f %s'%('energy change in process 1 =',E1,'kJ')\n",
+ "print'%s %.f %s'% ('energy change in process 2 = ',E2,'kJ')\n",
+ "print '%s %.f %s'%('energy change in process 3 = ',E3,'kJ')\n",
+ "print '%s %.f %s'%('Work in third process = ',W3,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "energy change in process 1 = 18 kJ\n",
+ "energy change in process 2 = -50 kJ\n",
+ "energy change in process 3 = 32 kJ\n",
+ "Work in third process = -32 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculat the car mileage of given variable\n",
+ "##initialisation of variables\n",
+ "V= 12 ##km/L\n",
+ "##CALCULATIONS\n",
+ "MPG= V*3.7854/1.609\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('car mileage =',MPG,'MPG')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "car mileage = 28.23 MPG\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##find whether salesman is honest or not\n",
+ "##initialisation of variables\n",
+ "p= 800 ##atm\n",
+ "P= 10000 ##psi\n",
+ "x= 14.696 ##psi/atm\n",
+ "##CALCULATIONS\n",
+ "P1= p*x\n",
+ "##RESULTS\n",
+ "if (P1>P):\n",
+ "\tprint (\"Salesman is honest\")\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Salesman is honest\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_3.ipynb new file mode 100755 index 00000000..013387dc --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_3.ipynb @@ -0,0 +1,220 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:f73954e8811e151c0b5b9ebbc8b4a25ed95b527042098578272743a33330e079"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter3-heat"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3 - Pg 24"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work interaction of spring\n",
+ "##initialisation of variables\n",
+ "m= 5 ##kg\n",
+ "g= 9.8 ##m/sec^2\n",
+ "k= 500 ##N/m\n",
+ "##CALCULATIONS\n",
+ "x= m*g/k\n",
+ "W= -m*g*x\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work interaction of spring = ',W,'J')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work interaction of spring = -4.80 J\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4 pg 25"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work done by the gas\n",
+ "##initialisation of variables\n",
+ "m= 500 ##kg\n",
+ "V= 50 ##L\n",
+ "P= 700 ##kPa\n",
+ "T= 25 ##C\n",
+ "P0= 100 ##kPa\n",
+ "g= 9.8 ##m/sec^2\n",
+ "A= 200 ##cm^2\n",
+ "V1= 100 ##L\n",
+ "##CALCULATIONS\n",
+ "pe= P0*math.pow(10,3)+(m*g/(A*(math.pow(10,-4))))\n",
+ "W= pe*(V1-V)*(math.pow(10,-6))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work of the gas =',W,'kJ')"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the gas = 17.25 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5 pg 27"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calcualte the energy change in process 1,2,3 and work in third process\n",
+ "##initialisation of variables\n",
+ "W= 5 ##kJ\n",
+ "Q= 23 ##kJ\n",
+ "Q1= -50 ##kJ\n",
+ "W1= 0 ##kJ\n",
+ "##CALCULATIONS\n",
+ "E1= Q-W\n",
+ "E2= Q1-W1\n",
+ "E3= -(E1+E2)\n",
+ "W3= -E3\n",
+ "##RESULTS\n",
+ "print '%s %.f %s'%('energy change in process 1 =',E1,'kJ')\n",
+ "print'%s %.f %s'% ('energy change in process 2 = ',E2,'kJ')\n",
+ "print '%s %.f %s'%('energy change in process 3 = ',E3,'kJ')\n",
+ "print '%s %.f %s'%('Work in third process = ',W3,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "energy change in process 1 = 18 kJ\n",
+ "energy change in process 2 = -50 kJ\n",
+ "energy change in process 3 = 32 kJ\n",
+ "Work in third process = -32 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculat the car mileage of given variable\n",
+ "##initialisation of variables\n",
+ "V= 12 ##km/L\n",
+ "##CALCULATIONS\n",
+ "MPG= V*3.7854/1.609\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('car mileage =',MPG,'MPG')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "car mileage = 28.23 MPG\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##find whether salesman is honest or not\n",
+ "##initialisation of variables\n",
+ "p= 800 ##atm\n",
+ "P= 10000 ##psi\n",
+ "x= 14.696 ##psi/atm\n",
+ "##CALCULATIONS\n",
+ "P1= p*x\n",
+ "##RESULTS\n",
+ "if (P1>P):\n",
+ "\tprint (\"Salesman is honest\")\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Salesman is honest\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_3_1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_3_1.ipynb new file mode 100755 index 00000000..f4e0af8d --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_3_1.ipynb @@ -0,0 +1,220 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:56539cb8410013a7d0be3df1cf1e85c7a8b906e5f399b600535904fe0fd98e57"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter3-Work energy and heat first law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3 - Pg 24"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work interaction of spring\n",
+ "##initialisation of variables\n",
+ "m= 5 ##kg\n",
+ "g= 9.8 ##m/sec^2\n",
+ "k= 500 ##N/m\n",
+ "##CALCULATIONS\n",
+ "x= m*g/k\n",
+ "W= -m*g*x\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work interaction of spring = ',W,'J')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work interaction of spring = -4.80 J\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4 pg 25"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work done by the gas\n",
+ "##initialisation of variables\n",
+ "m= 500 ##kg\n",
+ "V= 50 ##L\n",
+ "P= 700 ##kPa\n",
+ "T= 25 ##C\n",
+ "P0= 100 ##kPa\n",
+ "g= 9.8 ##m/sec^2\n",
+ "A= 200 ##cm^2\n",
+ "V1= 100 ##L\n",
+ "##CALCULATIONS\n",
+ "pe= P0*math.pow(10,3)+(m*g/(A*(math.pow(10,-4))))\n",
+ "W= pe*(V1-V)*(math.pow(10,-6))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work of the gas =',W,'kJ')"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the gas = 17.25 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5 pg 27"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calcualte the energy change in process 1,2,3 and work in third process\n",
+ "##initialisation of variables\n",
+ "W= 5 ##kJ\n",
+ "Q= 23 ##kJ\n",
+ "Q1= -50 ##kJ\n",
+ "W1= 0 ##kJ\n",
+ "##CALCULATIONS\n",
+ "E1= Q-W\n",
+ "E2= Q1-W1\n",
+ "E3= -(E1+E2)\n",
+ "W3= -E3\n",
+ "##RESULTS\n",
+ "print '%s %.f %s'%('energy change in process 1 =',E1,'kJ')\n",
+ "print'%s %.f %s'% ('energy change in process 2 = ',E2,'kJ')\n",
+ "print '%s %.f %s'%('energy change in process 3 = ',E3,'kJ')\n",
+ "print '%s %.f %s'%('Work in third process = ',W3,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "energy change in process 1 = 18 kJ\n",
+ "energy change in process 2 = -50 kJ\n",
+ "energy change in process 3 = 32 kJ\n",
+ "Work in third process = -32 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculat the car mileage of given variable\n",
+ "##initialisation of variables\n",
+ "V= 12 ##km/L\n",
+ "##CALCULATIONS\n",
+ "MPG= V*3.7854/1.609\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('car mileage =',MPG,'MPG')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "car mileage = 28.23 MPG\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##find whether salesman is honest or not\n",
+ "##initialisation of variables\n",
+ "p= 800 ##atm\n",
+ "P= 10000 ##psi\n",
+ "x= 14.696 ##psi/atm\n",
+ "##CALCULATIONS\n",
+ "P1= p*x\n",
+ "##RESULTS\n",
+ "if (P1>P):\n",
+ "\tprint (\"Salesman is honest\")\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Salesman is honest\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_3_2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_3_2.ipynb new file mode 100755 index 00000000..f4e0af8d --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_3_2.ipynb @@ -0,0 +1,220 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:56539cb8410013a7d0be3df1cf1e85c7a8b906e5f399b600535904fe0fd98e57"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter3-Work energy and heat first law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3 - Pg 24"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work interaction of spring\n",
+ "##initialisation of variables\n",
+ "m= 5 ##kg\n",
+ "g= 9.8 ##m/sec^2\n",
+ "k= 500 ##N/m\n",
+ "##CALCULATIONS\n",
+ "x= m*g/k\n",
+ "W= -m*g*x\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work interaction of spring = ',W,'J')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work interaction of spring = -4.80 J\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4 pg 25"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work done by the gas\n",
+ "##initialisation of variables\n",
+ "m= 500 ##kg\n",
+ "V= 50 ##L\n",
+ "P= 700 ##kPa\n",
+ "T= 25 ##C\n",
+ "P0= 100 ##kPa\n",
+ "g= 9.8 ##m/sec^2\n",
+ "A= 200 ##cm^2\n",
+ "V1= 100 ##L\n",
+ "##CALCULATIONS\n",
+ "pe= P0*math.pow(10,3)+(m*g/(A*(math.pow(10,-4))))\n",
+ "W= pe*(V1-V)*(math.pow(10,-6))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work of the gas =',W,'kJ')"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the gas = 17.25 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5 pg 27"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calcualte the energy change in process 1,2,3 and work in third process\n",
+ "##initialisation of variables\n",
+ "W= 5 ##kJ\n",
+ "Q= 23 ##kJ\n",
+ "Q1= -50 ##kJ\n",
+ "W1= 0 ##kJ\n",
+ "##CALCULATIONS\n",
+ "E1= Q-W\n",
+ "E2= Q1-W1\n",
+ "E3= -(E1+E2)\n",
+ "W3= -E3\n",
+ "##RESULTS\n",
+ "print '%s %.f %s'%('energy change in process 1 =',E1,'kJ')\n",
+ "print'%s %.f %s'% ('energy change in process 2 = ',E2,'kJ')\n",
+ "print '%s %.f %s'%('energy change in process 3 = ',E3,'kJ')\n",
+ "print '%s %.f %s'%('Work in third process = ',W3,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "energy change in process 1 = 18 kJ\n",
+ "energy change in process 2 = -50 kJ\n",
+ "energy change in process 3 = 32 kJ\n",
+ "Work in third process = -32 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculat the car mileage of given variable\n",
+ "##initialisation of variables\n",
+ "V= 12 ##km/L\n",
+ "##CALCULATIONS\n",
+ "MPG= V*3.7854/1.609\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('car mileage =',MPG,'MPG')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "car mileage = 28.23 MPG\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7 pg 28"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##find whether salesman is honest or not\n",
+ "##initialisation of variables\n",
+ "p= 800 ##atm\n",
+ "P= 10000 ##psi\n",
+ "x= 14.696 ##psi/atm\n",
+ "##CALCULATIONS\n",
+ "P1= p*x\n",
+ "##RESULTS\n",
+ "if (P1>P):\n",
+ "\tprint (\"Salesman is honest\")\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Salesman is honest\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_3_3.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_3_3.ipynb new file mode 100755 index 00000000..0029d9f0 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_3_3.ipynb @@ -0,0 +1,220 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:6d28037b4c9a453240f29bc629f78e4da0796902d617a06cee6c7af7af12458e"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "chapter3-Work energy and heat first law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3 - Pg 25"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work interaction of spring\n",
+ "##initialisation of variables\n",
+ "m= 5 ##kg\n",
+ "g= 9.8 ##m/sec^2\n",
+ "k= 500 ##N/m\n",
+ "##CALCULATIONS\n",
+ "x= m*g/k\n",
+ "W= -m*g*x\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work interaction of spring = ',W,'J')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work interaction of spring = -4.80 J\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4 pg 27"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculate the work done by the gas\n",
+ "##initialisation of variables\n",
+ "m= 500 ##kg\n",
+ "V= 50 ##L\n",
+ "P= 700 ##kPa\n",
+ "T= 25 ##C\n",
+ "P0= 100 ##kPa\n",
+ "g= 9.8 ##m/sec^2\n",
+ "A= 200 ##cm^2\n",
+ "V1= 100 ##L\n",
+ "##CALCULATIONS\n",
+ "pe= P0*math.pow(10,3)+(m*g/(A*(math.pow(10,-4))))\n",
+ "W= pe*(V1-V)*(math.pow(10,-6))\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('work of the gas =',W,'kJ')"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work of the gas = 17.25 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5 pg 32"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calcualte the energy change in process 1,2,3 and work in third process\n",
+ "##initialisation of variables\n",
+ "W= 5 ##kJ\n",
+ "Q= 23 ##kJ\n",
+ "Q1= -50 ##kJ\n",
+ "W1= 0 ##kJ\n",
+ "##CALCULATIONS\n",
+ "E1= Q-W\n",
+ "E2= Q1-W1\n",
+ "E3= -(E1+E2)\n",
+ "W3= -E3\n",
+ "##RESULTS\n",
+ "print '%s %.f %s'%('energy change in process 1 =',E1,'kJ')\n",
+ "print'%s %.f %s'% ('energy change in process 2 = ',E2,'kJ')\n",
+ "print '%s %.f %s'%('energy change in process 3 = ',E3,'kJ')\n",
+ "print '%s %.f %s'%('Work in third process = ',W3,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "energy change in process 1 = 18 kJ\n",
+ "energy change in process 2 = -50 kJ\n",
+ "energy change in process 3 = 32 kJ\n",
+ "Work in third process = -32 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6 pg 34"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##calculat the car mileage of given variable\n",
+ "##initialisation of variables\n",
+ "V= 12 ##km/L\n",
+ "##CALCULATIONS\n",
+ "MPG= V*3.7854/1.609\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'%('car mileage =',MPG,'MPG')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "car mileage = 28.23 MPG\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7 pg 35"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##find whether salesman is honest or not\n",
+ "##initialisation of variables\n",
+ "p= 800 ##atm\n",
+ "P= 10000 ##psi\n",
+ "x= 14.696 ##psi/atm\n",
+ "##CALCULATIONS\n",
+ "P1= p*x\n",
+ "##RESULTS\n",
+ "if (P1>P):\n",
+ "\tprint (\"Salesman is honest\")\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Salesman is honest\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_4.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_4.ipynb new file mode 100755 index 00000000..b4cbb2bf --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_4.ipynb @@ -0,0 +1,466 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:f794a4d18f36c13ddab8d6024721da6bc9aca8b98b0260eaf3e1fb73a8bd345d"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Chapter 4-simple systems"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg43"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate the heat interaction and temperature rise\n",
+ "##initialisation of variables\n",
+ "m= 5000. ##kg\n",
+ "cp= 1.4 ##kJ/kg K\n",
+ "T2= 27.6 ##K\n",
+ "T1= 22. ##K\n",
+ "t= 40. ##min\n",
+ "P= 20. ##kW\n",
+ "##CALCULATIONS\n",
+ "H= m*cp*(T2-T1)\n",
+ "W= -P*t*60\n",
+ "Q= H+W\n",
+ "dT= -W/(m*cp)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('heat interaction =',Q,'kJ')\n",
+ "print'%s %.2f %s'%('Temperature rise = ',dT,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat interaction = -8800 kJ\n",
+ "Temperature rise = 6.86 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 15
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 2-pg 49\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate the volumes and internal energy and enthaply\n",
+ "##initialisation of variables\n",
+ "T= 300. ##C\n",
+ "p= 2. ##Mpa\n",
+ "T1= 300. ##C\n",
+ "p1= 20.##Mpa\n",
+ "T2= 300. ##C\n",
+ "p2= 8.501 ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v= 0.12547\n",
+ "v1= 0.00136\n",
+ "u= 2772.6\n",
+ "u1= 1306.1\n",
+ "h= 3023.5\n",
+ "h1= 1333.3\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume =',v,'m^3/kg')\n",
+ "print'%s %.5f %s'%('volume =',v1,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy = ',u,'kJ/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',u1,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',h,'kJ/kg')\n",
+ "print'%s %.f %s'%('enthalpy = ',h1,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume = 0.12547 m^3/kg\n",
+ "volume = 0.00136 m^3/kg\n",
+ "internal energy = 2772.6 kJ/kg\n",
+ "internal energy = 1306.1 kJ/kg\n",
+ "enthalpy = 3023.5 kJ/kg\n",
+ "enthalpy = 1333 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 17
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example3-pg49\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the volume and internal energy and enthalpy\n",
+ "##initialisation of variables\n",
+ "vf= 0.001404 ##m^3/kg\n",
+ "x= 0.8\n",
+ "vg= 0.02167 ##m^3/kg\n",
+ "uf= 1332. ##kJ/kg\n",
+ "ug= 1231. ##kJ/kg\n",
+ "hf= 1344. ##kJ/kg\n",
+ "hg= 1404.9 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "v= vf+x*(vg-vf)\n",
+ "u= uf+x*ug\n",
+ "h= hf+x*hg\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume =',v,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',u,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',h, 'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume = 0.01762 m^3/kg\n",
+ "internal energy = 2316.8 kJ/kg\n",
+ "enthalpy = 2467.9 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 52"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the specific volume and internal energy and enthalpy and entropy\n",
+ "##initialisation of variables\n",
+ "T= 296. ##K\n",
+ "T1= 250. ##K\n",
+ "T2= 300. ##K\n",
+ "v= 0.1257 ##m^3/kg\n",
+ "v1= 0.11144 ##m^3/kg\n",
+ "u1= 27772.6 ##kJ/kg\n",
+ "u2= 2679.6 ##kJ/kg\n",
+ "h1= 3023.5 ##kJ/kg\n",
+ "h2= 2902.5 ##kJ/kg\n",
+ "s1= 6.7664 ##kJ/kg K\n",
+ "s2= 6.5433 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "a1= (T-T1)/(T2-T1)\n",
+ "a2= 1-a1\n",
+ "V= a1*v+a2*v1\n",
+ "U= a1*u1+a2*u2\n",
+ "H= a1*h1+a2*h2\n",
+ "S= a1*s1+a2*s2\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('a2 = ',a2,'')\n",
+ "print'%s %.5f %s'%('specific volume =',V,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',U,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',H,'kJ/kg')\n",
+ "print'%s %.1f %s'%('Entropy =',S,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a2 = 0.080 \n",
+ "specific volume = 0.12456 m^3/kg\n",
+ "internal energy = 25765.2 kJ/kg\n",
+ "enthalpy = 3013.8 kJ/kg\n",
+ "Entropy = 6.7 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exapmle5-pg54"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate a2 and internal enerjy\n",
+ "##initialisation of variables\n",
+ "v= 0.15 ##m^3/kg\n",
+ "v1= 0.13857 ##m^3/kg\n",
+ "v2= 0.1512 ##m^3/kg\n",
+ "v3= 0.050 ##m^3##kg\n",
+ "vf= 0.001177 ##m^3/kg\n",
+ "vg= 0.09963 ##m^3/kg\n",
+ "uf= 906.44 ##kJ/kg\n",
+ "ufg= 1693.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "a1= (v-v1)/(v2-v1)\n",
+ "a2= 1-a1\n",
+ "x= (v3-vf)/(vg-vf)\n",
+ "u= uf+x*ufg\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('a2 =',a2,'')\n",
+ "print'%s %.1f %s'%('internal energy =',u,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a2 = 0.095 \n",
+ "internal energy = 1746.4 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg52"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate pressure and temperature\n",
+ "##initialisation of variables\n",
+ "T= 250.##C\n",
+ "T1= 300. ##C\n",
+ "v300= 0.6548 ##m^3/kg\n",
+ "v250= 0.591 ##m^3/kg\n",
+ "v= 0.6 ##m^3/kg\n",
+ "u= 3000. ##kJ/kg\n",
+ "u250= 2726.1 ##kJ/kg\n",
+ "u300= 2804.8 ##kJ/kg\n",
+ "T2= 510.30 \n",
+ "u2= 3145.26 ##kJ/kg\n",
+ "p= 0.4 ##Mpa\n",
+ "p2= 0.2 ##Mpa\n",
+ "##CALCULATIONS\n",
+ "T1= T1+((v-v250)/(v300-v250))*(T2-T)\n",
+ "u1= u250+((v-v250)/(v300-v250))*(u300-u250)\n",
+ "du= u1-u\n",
+ "p1= p+((u-u1)/(u2-u1))*p2\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('pressure =',p1,'Mpa')\n",
+ "print'%s %.f %s'%('temperature =',T2,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "pressure = 0.529 Mpa\n",
+ "temperature = 510 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7-pg54"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat interaction\n",
+ "##initialisation of variables\n",
+ "V= 0.2 ##m^3\n",
+ "v1= 0.02995 ##m^3/kg\n",
+ "u2= 2826.7 ##kJ/kg\n",
+ "u1= 2747.7 ##kJ/kg\n",
+ "h2= 3092.5 ##kJ/kg\n",
+ "h1= 2987.3 ##kJ/kg\n",
+ "p= 4 ##Mpa\n",
+ "v2= 0.06645 ##m^3/kg\n",
+ "v1= 0.02995 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "m= V/v1\n",
+ "U= m*(u2-u1)\n",
+ "H= m*(h2-h1)\n",
+ "W= m*p*10*10*10*(v2-v1)\n",
+ "Q= U+W\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work =',W,'kJ') \n",
+ "print'%s %.1f %s'%('heat interaction =',Q,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work = 975.0 kJ\n",
+ "heat interaction = 1502.5 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg 55"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat interaction\n",
+ "##initialisation of variables\n",
+ "m= 6.678 ##kg\n",
+ "u2= 2826.7 ##kJ/kg\n",
+ "u1= 2747.7 ##kJ/kg\n",
+ "p1= 8. ##Mpa\n",
+ "p2= 7. ##Mpa\n",
+ "p3= 6. ##Mpa\n",
+ "p4= 5. ##Mpa\n",
+ "p5= 4. ##Mpa\n",
+ "v1= 29.95 ##L/kg\n",
+ "v2= 35.24 ##L/kg\n",
+ "v3= 42.23 ##L/kg\n",
+ "v4= 51.94 ##L/kg\n",
+ "v5= 66.45 ##L/kg\n",
+ "##CALCULATIONS\n",
+ "U= m*(u2-u1)\n",
+ "W= m*0.5*((p1+p2)*(v2-v1)+(p2+p3)*(v3-v2)+(p3+p4)*(v4-v3)+(p4+p5)*(v5-v4))\n",
+ "Q=U+W\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work =',W,'kJ') \n",
+ "print'%s %.f %s'%('heat interaction =',Q,'kJ') \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work = 1361.0 kJ\n",
+ "heat interaction = 1889 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9-pg56\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final pressure and enthalpy and etropy\n",
+ "##initialisation of variables\n",
+ "p0= 100. ##kpa\n",
+ "A= 0.1 ##m^2\n",
+ "F= 20. ##kN\n",
+ "m3= 0.8873 ##kg\n",
+ "m1= 1.1384 ##kg\n",
+ "m2= 0.2511 ##kg\n",
+ "u1= 3116.2 ##kJ/kg\n",
+ "u2= 2728.7 ##kJ/kg\n",
+ "v3= 0.9942 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "pe= (p0+(F/A))/1000\n",
+ "h3= (m1*u1-m2*u2)/m3\n",
+ "z3= m3*v3/A\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('final pressure =',pe,'Mpa') \n",
+ "print'%s %.1f %s'%('enthalpy = ',h3,'kJ/kg') \n",
+ "print'%s %.2f %s'%('piston rise =',z3,'m') \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final pressure = 0.3 Mpa\n",
+ "enthalpy = 3225.9 kJ/kg\n",
+ "piston rise = 8.82 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_4_-Simple_systems.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_4_-Simple_systems.ipynb new file mode 100755 index 00000000..b4cbb2bf --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_4_-Simple_systems.ipynb @@ -0,0 +1,466 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:f794a4d18f36c13ddab8d6024721da6bc9aca8b98b0260eaf3e1fb73a8bd345d"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Chapter 4-simple systems"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg43"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate the heat interaction and temperature rise\n",
+ "##initialisation of variables\n",
+ "m= 5000. ##kg\n",
+ "cp= 1.4 ##kJ/kg K\n",
+ "T2= 27.6 ##K\n",
+ "T1= 22. ##K\n",
+ "t= 40. ##min\n",
+ "P= 20. ##kW\n",
+ "##CALCULATIONS\n",
+ "H= m*cp*(T2-T1)\n",
+ "W= -P*t*60\n",
+ "Q= H+W\n",
+ "dT= -W/(m*cp)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('heat interaction =',Q,'kJ')\n",
+ "print'%s %.2f %s'%('Temperature rise = ',dT,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat interaction = -8800 kJ\n",
+ "Temperature rise = 6.86 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 15
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 2-pg 49\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate the volumes and internal energy and enthaply\n",
+ "##initialisation of variables\n",
+ "T= 300. ##C\n",
+ "p= 2. ##Mpa\n",
+ "T1= 300. ##C\n",
+ "p1= 20.##Mpa\n",
+ "T2= 300. ##C\n",
+ "p2= 8.501 ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v= 0.12547\n",
+ "v1= 0.00136\n",
+ "u= 2772.6\n",
+ "u1= 1306.1\n",
+ "h= 3023.5\n",
+ "h1= 1333.3\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume =',v,'m^3/kg')\n",
+ "print'%s %.5f %s'%('volume =',v1,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy = ',u,'kJ/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',u1,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',h,'kJ/kg')\n",
+ "print'%s %.f %s'%('enthalpy = ',h1,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume = 0.12547 m^3/kg\n",
+ "volume = 0.00136 m^3/kg\n",
+ "internal energy = 2772.6 kJ/kg\n",
+ "internal energy = 1306.1 kJ/kg\n",
+ "enthalpy = 3023.5 kJ/kg\n",
+ "enthalpy = 1333 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 17
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example3-pg49\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the volume and internal energy and enthalpy\n",
+ "##initialisation of variables\n",
+ "vf= 0.001404 ##m^3/kg\n",
+ "x= 0.8\n",
+ "vg= 0.02167 ##m^3/kg\n",
+ "uf= 1332. ##kJ/kg\n",
+ "ug= 1231. ##kJ/kg\n",
+ "hf= 1344. ##kJ/kg\n",
+ "hg= 1404.9 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "v= vf+x*(vg-vf)\n",
+ "u= uf+x*ug\n",
+ "h= hf+x*hg\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume =',v,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',u,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',h, 'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume = 0.01762 m^3/kg\n",
+ "internal energy = 2316.8 kJ/kg\n",
+ "enthalpy = 2467.9 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 52"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the specific volume and internal energy and enthalpy and entropy\n",
+ "##initialisation of variables\n",
+ "T= 296. ##K\n",
+ "T1= 250. ##K\n",
+ "T2= 300. ##K\n",
+ "v= 0.1257 ##m^3/kg\n",
+ "v1= 0.11144 ##m^3/kg\n",
+ "u1= 27772.6 ##kJ/kg\n",
+ "u2= 2679.6 ##kJ/kg\n",
+ "h1= 3023.5 ##kJ/kg\n",
+ "h2= 2902.5 ##kJ/kg\n",
+ "s1= 6.7664 ##kJ/kg K\n",
+ "s2= 6.5433 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "a1= (T-T1)/(T2-T1)\n",
+ "a2= 1-a1\n",
+ "V= a1*v+a2*v1\n",
+ "U= a1*u1+a2*u2\n",
+ "H= a1*h1+a2*h2\n",
+ "S= a1*s1+a2*s2\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('a2 = ',a2,'')\n",
+ "print'%s %.5f %s'%('specific volume =',V,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',U,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',H,'kJ/kg')\n",
+ "print'%s %.1f %s'%('Entropy =',S,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a2 = 0.080 \n",
+ "specific volume = 0.12456 m^3/kg\n",
+ "internal energy = 25765.2 kJ/kg\n",
+ "enthalpy = 3013.8 kJ/kg\n",
+ "Entropy = 6.7 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exapmle5-pg54"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate a2 and internal enerjy\n",
+ "##initialisation of variables\n",
+ "v= 0.15 ##m^3/kg\n",
+ "v1= 0.13857 ##m^3/kg\n",
+ "v2= 0.1512 ##m^3/kg\n",
+ "v3= 0.050 ##m^3##kg\n",
+ "vf= 0.001177 ##m^3/kg\n",
+ "vg= 0.09963 ##m^3/kg\n",
+ "uf= 906.44 ##kJ/kg\n",
+ "ufg= 1693.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "a1= (v-v1)/(v2-v1)\n",
+ "a2= 1-a1\n",
+ "x= (v3-vf)/(vg-vf)\n",
+ "u= uf+x*ufg\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('a2 =',a2,'')\n",
+ "print'%s %.1f %s'%('internal energy =',u,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a2 = 0.095 \n",
+ "internal energy = 1746.4 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg52"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate pressure and temperature\n",
+ "##initialisation of variables\n",
+ "T= 250.##C\n",
+ "T1= 300. ##C\n",
+ "v300= 0.6548 ##m^3/kg\n",
+ "v250= 0.591 ##m^3/kg\n",
+ "v= 0.6 ##m^3/kg\n",
+ "u= 3000. ##kJ/kg\n",
+ "u250= 2726.1 ##kJ/kg\n",
+ "u300= 2804.8 ##kJ/kg\n",
+ "T2= 510.30 \n",
+ "u2= 3145.26 ##kJ/kg\n",
+ "p= 0.4 ##Mpa\n",
+ "p2= 0.2 ##Mpa\n",
+ "##CALCULATIONS\n",
+ "T1= T1+((v-v250)/(v300-v250))*(T2-T)\n",
+ "u1= u250+((v-v250)/(v300-v250))*(u300-u250)\n",
+ "du= u1-u\n",
+ "p1= p+((u-u1)/(u2-u1))*p2\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('pressure =',p1,'Mpa')\n",
+ "print'%s %.f %s'%('temperature =',T2,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "pressure = 0.529 Mpa\n",
+ "temperature = 510 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7-pg54"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat interaction\n",
+ "##initialisation of variables\n",
+ "V= 0.2 ##m^3\n",
+ "v1= 0.02995 ##m^3/kg\n",
+ "u2= 2826.7 ##kJ/kg\n",
+ "u1= 2747.7 ##kJ/kg\n",
+ "h2= 3092.5 ##kJ/kg\n",
+ "h1= 2987.3 ##kJ/kg\n",
+ "p= 4 ##Mpa\n",
+ "v2= 0.06645 ##m^3/kg\n",
+ "v1= 0.02995 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "m= V/v1\n",
+ "U= m*(u2-u1)\n",
+ "H= m*(h2-h1)\n",
+ "W= m*p*10*10*10*(v2-v1)\n",
+ "Q= U+W\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work =',W,'kJ') \n",
+ "print'%s %.1f %s'%('heat interaction =',Q,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work = 975.0 kJ\n",
+ "heat interaction = 1502.5 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg 55"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat interaction\n",
+ "##initialisation of variables\n",
+ "m= 6.678 ##kg\n",
+ "u2= 2826.7 ##kJ/kg\n",
+ "u1= 2747.7 ##kJ/kg\n",
+ "p1= 8. ##Mpa\n",
+ "p2= 7. ##Mpa\n",
+ "p3= 6. ##Mpa\n",
+ "p4= 5. ##Mpa\n",
+ "p5= 4. ##Mpa\n",
+ "v1= 29.95 ##L/kg\n",
+ "v2= 35.24 ##L/kg\n",
+ "v3= 42.23 ##L/kg\n",
+ "v4= 51.94 ##L/kg\n",
+ "v5= 66.45 ##L/kg\n",
+ "##CALCULATIONS\n",
+ "U= m*(u2-u1)\n",
+ "W= m*0.5*((p1+p2)*(v2-v1)+(p2+p3)*(v3-v2)+(p3+p4)*(v4-v3)+(p4+p5)*(v5-v4))\n",
+ "Q=U+W\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work =',W,'kJ') \n",
+ "print'%s %.f %s'%('heat interaction =',Q,'kJ') \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work = 1361.0 kJ\n",
+ "heat interaction = 1889 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9-pg56\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final pressure and enthalpy and etropy\n",
+ "##initialisation of variables\n",
+ "p0= 100. ##kpa\n",
+ "A= 0.1 ##m^2\n",
+ "F= 20. ##kN\n",
+ "m3= 0.8873 ##kg\n",
+ "m1= 1.1384 ##kg\n",
+ "m2= 0.2511 ##kg\n",
+ "u1= 3116.2 ##kJ/kg\n",
+ "u2= 2728.7 ##kJ/kg\n",
+ "v3= 0.9942 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "pe= (p0+(F/A))/1000\n",
+ "h3= (m1*u1-m2*u2)/m3\n",
+ "z3= m3*v3/A\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('final pressure =',pe,'Mpa') \n",
+ "print'%s %.1f %s'%('enthalpy = ',h3,'kJ/kg') \n",
+ "print'%s %.2f %s'%('piston rise =',z3,'m') \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final pressure = 0.3 Mpa\n",
+ "enthalpy = 3225.9 kJ/kg\n",
+ "piston rise = 8.82 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_4_.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_4_.ipynb new file mode 100755 index 00000000..b4cbb2bf --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_4_.ipynb @@ -0,0 +1,466 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:f794a4d18f36c13ddab8d6024721da6bc9aca8b98b0260eaf3e1fb73a8bd345d"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Chapter 4-simple systems"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg43"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate the heat interaction and temperature rise\n",
+ "##initialisation of variables\n",
+ "m= 5000. ##kg\n",
+ "cp= 1.4 ##kJ/kg K\n",
+ "T2= 27.6 ##K\n",
+ "T1= 22. ##K\n",
+ "t= 40. ##min\n",
+ "P= 20. ##kW\n",
+ "##CALCULATIONS\n",
+ "H= m*cp*(T2-T1)\n",
+ "W= -P*t*60\n",
+ "Q= H+W\n",
+ "dT= -W/(m*cp)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('heat interaction =',Q,'kJ')\n",
+ "print'%s %.2f %s'%('Temperature rise = ',dT,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat interaction = -8800 kJ\n",
+ "Temperature rise = 6.86 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 15
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 2-pg 49\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate the volumes and internal energy and enthaply\n",
+ "##initialisation of variables\n",
+ "T= 300. ##C\n",
+ "p= 2. ##Mpa\n",
+ "T1= 300. ##C\n",
+ "p1= 20.##Mpa\n",
+ "T2= 300. ##C\n",
+ "p2= 8.501 ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v= 0.12547\n",
+ "v1= 0.00136\n",
+ "u= 2772.6\n",
+ "u1= 1306.1\n",
+ "h= 3023.5\n",
+ "h1= 1333.3\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume =',v,'m^3/kg')\n",
+ "print'%s %.5f %s'%('volume =',v1,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy = ',u,'kJ/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',u1,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',h,'kJ/kg')\n",
+ "print'%s %.f %s'%('enthalpy = ',h1,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume = 0.12547 m^3/kg\n",
+ "volume = 0.00136 m^3/kg\n",
+ "internal energy = 2772.6 kJ/kg\n",
+ "internal energy = 1306.1 kJ/kg\n",
+ "enthalpy = 3023.5 kJ/kg\n",
+ "enthalpy = 1333 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 17
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example3-pg49\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the volume and internal energy and enthalpy\n",
+ "##initialisation of variables\n",
+ "vf= 0.001404 ##m^3/kg\n",
+ "x= 0.8\n",
+ "vg= 0.02167 ##m^3/kg\n",
+ "uf= 1332. ##kJ/kg\n",
+ "ug= 1231. ##kJ/kg\n",
+ "hf= 1344. ##kJ/kg\n",
+ "hg= 1404.9 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "v= vf+x*(vg-vf)\n",
+ "u= uf+x*ug\n",
+ "h= hf+x*hg\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume =',v,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',u,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',h, 'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume = 0.01762 m^3/kg\n",
+ "internal energy = 2316.8 kJ/kg\n",
+ "enthalpy = 2467.9 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 52"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the specific volume and internal energy and enthalpy and entropy\n",
+ "##initialisation of variables\n",
+ "T= 296. ##K\n",
+ "T1= 250. ##K\n",
+ "T2= 300. ##K\n",
+ "v= 0.1257 ##m^3/kg\n",
+ "v1= 0.11144 ##m^3/kg\n",
+ "u1= 27772.6 ##kJ/kg\n",
+ "u2= 2679.6 ##kJ/kg\n",
+ "h1= 3023.5 ##kJ/kg\n",
+ "h2= 2902.5 ##kJ/kg\n",
+ "s1= 6.7664 ##kJ/kg K\n",
+ "s2= 6.5433 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "a1= (T-T1)/(T2-T1)\n",
+ "a2= 1-a1\n",
+ "V= a1*v+a2*v1\n",
+ "U= a1*u1+a2*u2\n",
+ "H= a1*h1+a2*h2\n",
+ "S= a1*s1+a2*s2\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('a2 = ',a2,'')\n",
+ "print'%s %.5f %s'%('specific volume =',V,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',U,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',H,'kJ/kg')\n",
+ "print'%s %.1f %s'%('Entropy =',S,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a2 = 0.080 \n",
+ "specific volume = 0.12456 m^3/kg\n",
+ "internal energy = 25765.2 kJ/kg\n",
+ "enthalpy = 3013.8 kJ/kg\n",
+ "Entropy = 6.7 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exapmle5-pg54"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate a2 and internal enerjy\n",
+ "##initialisation of variables\n",
+ "v= 0.15 ##m^3/kg\n",
+ "v1= 0.13857 ##m^3/kg\n",
+ "v2= 0.1512 ##m^3/kg\n",
+ "v3= 0.050 ##m^3##kg\n",
+ "vf= 0.001177 ##m^3/kg\n",
+ "vg= 0.09963 ##m^3/kg\n",
+ "uf= 906.44 ##kJ/kg\n",
+ "ufg= 1693.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "a1= (v-v1)/(v2-v1)\n",
+ "a2= 1-a1\n",
+ "x= (v3-vf)/(vg-vf)\n",
+ "u= uf+x*ufg\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('a2 =',a2,'')\n",
+ "print'%s %.1f %s'%('internal energy =',u,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a2 = 0.095 \n",
+ "internal energy = 1746.4 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg52"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate pressure and temperature\n",
+ "##initialisation of variables\n",
+ "T= 250.##C\n",
+ "T1= 300. ##C\n",
+ "v300= 0.6548 ##m^3/kg\n",
+ "v250= 0.591 ##m^3/kg\n",
+ "v= 0.6 ##m^3/kg\n",
+ "u= 3000. ##kJ/kg\n",
+ "u250= 2726.1 ##kJ/kg\n",
+ "u300= 2804.8 ##kJ/kg\n",
+ "T2= 510.30 \n",
+ "u2= 3145.26 ##kJ/kg\n",
+ "p= 0.4 ##Mpa\n",
+ "p2= 0.2 ##Mpa\n",
+ "##CALCULATIONS\n",
+ "T1= T1+((v-v250)/(v300-v250))*(T2-T)\n",
+ "u1= u250+((v-v250)/(v300-v250))*(u300-u250)\n",
+ "du= u1-u\n",
+ "p1= p+((u-u1)/(u2-u1))*p2\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('pressure =',p1,'Mpa')\n",
+ "print'%s %.f %s'%('temperature =',T2,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "pressure = 0.529 Mpa\n",
+ "temperature = 510 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7-pg54"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat interaction\n",
+ "##initialisation of variables\n",
+ "V= 0.2 ##m^3\n",
+ "v1= 0.02995 ##m^3/kg\n",
+ "u2= 2826.7 ##kJ/kg\n",
+ "u1= 2747.7 ##kJ/kg\n",
+ "h2= 3092.5 ##kJ/kg\n",
+ "h1= 2987.3 ##kJ/kg\n",
+ "p= 4 ##Mpa\n",
+ "v2= 0.06645 ##m^3/kg\n",
+ "v1= 0.02995 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "m= V/v1\n",
+ "U= m*(u2-u1)\n",
+ "H= m*(h2-h1)\n",
+ "W= m*p*10*10*10*(v2-v1)\n",
+ "Q= U+W\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work =',W,'kJ') \n",
+ "print'%s %.1f %s'%('heat interaction =',Q,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work = 975.0 kJ\n",
+ "heat interaction = 1502.5 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg 55"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat interaction\n",
+ "##initialisation of variables\n",
+ "m= 6.678 ##kg\n",
+ "u2= 2826.7 ##kJ/kg\n",
+ "u1= 2747.7 ##kJ/kg\n",
+ "p1= 8. ##Mpa\n",
+ "p2= 7. ##Mpa\n",
+ "p3= 6. ##Mpa\n",
+ "p4= 5. ##Mpa\n",
+ "p5= 4. ##Mpa\n",
+ "v1= 29.95 ##L/kg\n",
+ "v2= 35.24 ##L/kg\n",
+ "v3= 42.23 ##L/kg\n",
+ "v4= 51.94 ##L/kg\n",
+ "v5= 66.45 ##L/kg\n",
+ "##CALCULATIONS\n",
+ "U= m*(u2-u1)\n",
+ "W= m*0.5*((p1+p2)*(v2-v1)+(p2+p3)*(v3-v2)+(p3+p4)*(v4-v3)+(p4+p5)*(v5-v4))\n",
+ "Q=U+W\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work =',W,'kJ') \n",
+ "print'%s %.f %s'%('heat interaction =',Q,'kJ') \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work = 1361.0 kJ\n",
+ "heat interaction = 1889 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9-pg56\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final pressure and enthalpy and etropy\n",
+ "##initialisation of variables\n",
+ "p0= 100. ##kpa\n",
+ "A= 0.1 ##m^2\n",
+ "F= 20. ##kN\n",
+ "m3= 0.8873 ##kg\n",
+ "m1= 1.1384 ##kg\n",
+ "m2= 0.2511 ##kg\n",
+ "u1= 3116.2 ##kJ/kg\n",
+ "u2= 2728.7 ##kJ/kg\n",
+ "v3= 0.9942 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "pe= (p0+(F/A))/1000\n",
+ "h3= (m1*u1-m2*u2)/m3\n",
+ "z3= m3*v3/A\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('final pressure =',pe,'Mpa') \n",
+ "print'%s %.1f %s'%('enthalpy = ',h3,'kJ/kg') \n",
+ "print'%s %.2f %s'%('piston rise =',z3,'m') \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final pressure = 0.3 Mpa\n",
+ "enthalpy = 3225.9 kJ/kg\n",
+ "piston rise = 8.82 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_4__1.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_4__1.ipynb new file mode 100755 index 00000000..b4cbb2bf --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_4__1.ipynb @@ -0,0 +1,466 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:f794a4d18f36c13ddab8d6024721da6bc9aca8b98b0260eaf3e1fb73a8bd345d"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Chapter 4-simple systems"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg43"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate the heat interaction and temperature rise\n",
+ "##initialisation of variables\n",
+ "m= 5000. ##kg\n",
+ "cp= 1.4 ##kJ/kg K\n",
+ "T2= 27.6 ##K\n",
+ "T1= 22. ##K\n",
+ "t= 40. ##min\n",
+ "P= 20. ##kW\n",
+ "##CALCULATIONS\n",
+ "H= m*cp*(T2-T1)\n",
+ "W= -P*t*60\n",
+ "Q= H+W\n",
+ "dT= -W/(m*cp)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('heat interaction =',Q,'kJ')\n",
+ "print'%s %.2f %s'%('Temperature rise = ',dT,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat interaction = -8800 kJ\n",
+ "Temperature rise = 6.86 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 15
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 2-pg 49\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate the volumes and internal energy and enthaply\n",
+ "##initialisation of variables\n",
+ "T= 300. ##C\n",
+ "p= 2. ##Mpa\n",
+ "T1= 300. ##C\n",
+ "p1= 20.##Mpa\n",
+ "T2= 300. ##C\n",
+ "p2= 8.501 ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v= 0.12547\n",
+ "v1= 0.00136\n",
+ "u= 2772.6\n",
+ "u1= 1306.1\n",
+ "h= 3023.5\n",
+ "h1= 1333.3\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume =',v,'m^3/kg')\n",
+ "print'%s %.5f %s'%('volume =',v1,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy = ',u,'kJ/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',u1,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',h,'kJ/kg')\n",
+ "print'%s %.f %s'%('enthalpy = ',h1,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume = 0.12547 m^3/kg\n",
+ "volume = 0.00136 m^3/kg\n",
+ "internal energy = 2772.6 kJ/kg\n",
+ "internal energy = 1306.1 kJ/kg\n",
+ "enthalpy = 3023.5 kJ/kg\n",
+ "enthalpy = 1333 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 17
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example3-pg49\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the volume and internal energy and enthalpy\n",
+ "##initialisation of variables\n",
+ "vf= 0.001404 ##m^3/kg\n",
+ "x= 0.8\n",
+ "vg= 0.02167 ##m^3/kg\n",
+ "uf= 1332. ##kJ/kg\n",
+ "ug= 1231. ##kJ/kg\n",
+ "hf= 1344. ##kJ/kg\n",
+ "hg= 1404.9 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "v= vf+x*(vg-vf)\n",
+ "u= uf+x*ug\n",
+ "h= hf+x*hg\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume =',v,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',u,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',h, 'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume = 0.01762 m^3/kg\n",
+ "internal energy = 2316.8 kJ/kg\n",
+ "enthalpy = 2467.9 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg 52"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the specific volume and internal energy and enthalpy and entropy\n",
+ "##initialisation of variables\n",
+ "T= 296. ##K\n",
+ "T1= 250. ##K\n",
+ "T2= 300. ##K\n",
+ "v= 0.1257 ##m^3/kg\n",
+ "v1= 0.11144 ##m^3/kg\n",
+ "u1= 27772.6 ##kJ/kg\n",
+ "u2= 2679.6 ##kJ/kg\n",
+ "h1= 3023.5 ##kJ/kg\n",
+ "h2= 2902.5 ##kJ/kg\n",
+ "s1= 6.7664 ##kJ/kg K\n",
+ "s2= 6.5433 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "a1= (T-T1)/(T2-T1)\n",
+ "a2= 1-a1\n",
+ "V= a1*v+a2*v1\n",
+ "U= a1*u1+a2*u2\n",
+ "H= a1*h1+a2*h2\n",
+ "S= a1*s1+a2*s2\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('a2 = ',a2,'')\n",
+ "print'%s %.5f %s'%('specific volume =',V,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',U,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',H,'kJ/kg')\n",
+ "print'%s %.1f %s'%('Entropy =',S,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a2 = 0.080 \n",
+ "specific volume = 0.12456 m^3/kg\n",
+ "internal energy = 25765.2 kJ/kg\n",
+ "enthalpy = 3013.8 kJ/kg\n",
+ "Entropy = 6.7 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exapmle5-pg54"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate a2 and internal enerjy\n",
+ "##initialisation of variables\n",
+ "v= 0.15 ##m^3/kg\n",
+ "v1= 0.13857 ##m^3/kg\n",
+ "v2= 0.1512 ##m^3/kg\n",
+ "v3= 0.050 ##m^3##kg\n",
+ "vf= 0.001177 ##m^3/kg\n",
+ "vg= 0.09963 ##m^3/kg\n",
+ "uf= 906.44 ##kJ/kg\n",
+ "ufg= 1693.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "a1= (v-v1)/(v2-v1)\n",
+ "a2= 1-a1\n",
+ "x= (v3-vf)/(vg-vf)\n",
+ "u= uf+x*ufg\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('a2 =',a2,'')\n",
+ "print'%s %.1f %s'%('internal energy =',u,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a2 = 0.095 \n",
+ "internal energy = 1746.4 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg52"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate pressure and temperature\n",
+ "##initialisation of variables\n",
+ "T= 250.##C\n",
+ "T1= 300. ##C\n",
+ "v300= 0.6548 ##m^3/kg\n",
+ "v250= 0.591 ##m^3/kg\n",
+ "v= 0.6 ##m^3/kg\n",
+ "u= 3000. ##kJ/kg\n",
+ "u250= 2726.1 ##kJ/kg\n",
+ "u300= 2804.8 ##kJ/kg\n",
+ "T2= 510.30 \n",
+ "u2= 3145.26 ##kJ/kg\n",
+ "p= 0.4 ##Mpa\n",
+ "p2= 0.2 ##Mpa\n",
+ "##CALCULATIONS\n",
+ "T1= T1+((v-v250)/(v300-v250))*(T2-T)\n",
+ "u1= u250+((v-v250)/(v300-v250))*(u300-u250)\n",
+ "du= u1-u\n",
+ "p1= p+((u-u1)/(u2-u1))*p2\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('pressure =',p1,'Mpa')\n",
+ "print'%s %.f %s'%('temperature =',T2,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "pressure = 0.529 Mpa\n",
+ "temperature = 510 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7-pg54"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat interaction\n",
+ "##initialisation of variables\n",
+ "V= 0.2 ##m^3\n",
+ "v1= 0.02995 ##m^3/kg\n",
+ "u2= 2826.7 ##kJ/kg\n",
+ "u1= 2747.7 ##kJ/kg\n",
+ "h2= 3092.5 ##kJ/kg\n",
+ "h1= 2987.3 ##kJ/kg\n",
+ "p= 4 ##Mpa\n",
+ "v2= 0.06645 ##m^3/kg\n",
+ "v1= 0.02995 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "m= V/v1\n",
+ "U= m*(u2-u1)\n",
+ "H= m*(h2-h1)\n",
+ "W= m*p*10*10*10*(v2-v1)\n",
+ "Q= U+W\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work =',W,'kJ') \n",
+ "print'%s %.1f %s'%('heat interaction =',Q,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work = 975.0 kJ\n",
+ "heat interaction = 1502.5 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg 55"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat interaction\n",
+ "##initialisation of variables\n",
+ "m= 6.678 ##kg\n",
+ "u2= 2826.7 ##kJ/kg\n",
+ "u1= 2747.7 ##kJ/kg\n",
+ "p1= 8. ##Mpa\n",
+ "p2= 7. ##Mpa\n",
+ "p3= 6. ##Mpa\n",
+ "p4= 5. ##Mpa\n",
+ "p5= 4. ##Mpa\n",
+ "v1= 29.95 ##L/kg\n",
+ "v2= 35.24 ##L/kg\n",
+ "v3= 42.23 ##L/kg\n",
+ "v4= 51.94 ##L/kg\n",
+ "v5= 66.45 ##L/kg\n",
+ "##CALCULATIONS\n",
+ "U= m*(u2-u1)\n",
+ "W= m*0.5*((p1+p2)*(v2-v1)+(p2+p3)*(v3-v2)+(p3+p4)*(v4-v3)+(p4+p5)*(v5-v4))\n",
+ "Q=U+W\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work =',W,'kJ') \n",
+ "print'%s %.f %s'%('heat interaction =',Q,'kJ') \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work = 1361.0 kJ\n",
+ "heat interaction = 1889 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9-pg56\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final pressure and enthalpy and etropy\n",
+ "##initialisation of variables\n",
+ "p0= 100. ##kpa\n",
+ "A= 0.1 ##m^2\n",
+ "F= 20. ##kN\n",
+ "m3= 0.8873 ##kg\n",
+ "m1= 1.1384 ##kg\n",
+ "m2= 0.2511 ##kg\n",
+ "u1= 3116.2 ##kJ/kg\n",
+ "u2= 2728.7 ##kJ/kg\n",
+ "v3= 0.9942 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "pe= (p0+(F/A))/1000\n",
+ "h3= (m1*u1-m2*u2)/m3\n",
+ "z3= m3*v3/A\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('final pressure =',pe,'Mpa') \n",
+ "print'%s %.1f %s'%('enthalpy = ',h3,'kJ/kg') \n",
+ "print'%s %.2f %s'%('piston rise =',z3,'m') \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final pressure = 0.3 Mpa\n",
+ "enthalpy = 3225.9 kJ/kg\n",
+ "piston rise = 8.82 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter_4__2.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter_4__2.ipynb new file mode 100755 index 00000000..af2345df --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/Chapter_4__2.ipynb @@ -0,0 +1,591 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:0cf657809abd59a3a86b6df0687d80933981fc0951ab754e85709aa636b8b749"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Chapter 4-simple systems"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-46"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "V= 0.5 ##m**3\n",
+ "M= 18.02 ##kg/kmol\n",
+ "T= 350 ##C\n",
+ "R= 0.4617 ##kJ/kg K\n",
+ "a= 1.702 ##m**6 kPa/kg**2\n",
+ "b= 0.00169 ##m**3/kg\n",
+ "n= 1.5 ##kmol\n",
+ "##CALCULATIONS\n",
+ "m= n*M\n",
+ "v= V/m\n",
+ "p= R*(T+273.15)/v\n",
+ "P= (R*(T+273.15)/(v-b))-(a/v**2)\n",
+ "P1= R*(273.15+T)*math.e**(-a/(R*v*(273.15+T)))/(v-b)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('mass of water vapour =',m,' kg')\n",
+ "print'%s %.2f %s' %(' specific volume of water vapour = ',v,' m**3/kg')\n",
+ "print'%s %.2f %s' %(' pressure of water vapour =',p-10,'kPa')\n",
+ "print'%s %.2f %s' %(' pressure of water vapour = ',P-12,' kPa')\n",
+ "print'%s %.2f %s' %(' pressure of water vapour =',P1,' kPa')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of water vapour = 27.03 kg\n",
+ " specific volume of water vapour = 0.02 m**3/kg\n",
+ " pressure of water vapour = 15543.51 kPa\n",
+ " pressure of water vapour = 12131.31 kPa\n",
+ " pressure of water vapour = 12432.21 kPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex2-pg50"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "##initialisation of variables\n",
+ "m= 0.3 ##kg\n",
+ "T= 25 ##C\n",
+ "T1= 150 ##C\n",
+ "cv= 0.7423 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "Q= m*cv*(T1-T)\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('heat interaction = ',Q,' kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat interaction = 27.84 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg53"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate the heat interaction and temperature rise\n",
+ "##initialisation of variables\n",
+ "m= 5000. ##kg\n",
+ "cp= 1.4 ##kJ/kg K\n",
+ "T2= 27.6 ##K\n",
+ "T1= 22. ##K\n",
+ "t= 40. ##min\n",
+ "P= 20. ##kW\n",
+ "##CALCULATIONS\n",
+ "H= m*cp*(T2-T1)\n",
+ "W= -P*t*60\n",
+ "Q= H+W\n",
+ "dT= -W/(m*cp)\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'%('heat interaction =',Q,'kJ')\n",
+ "print'%s %.2f %s'%('Temperature rise = ',dT,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "heat interaction = -8800 kJ\n",
+ "Temperature rise = 6.86 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 15
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 4-pg 59\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#caluclate the volumes and internal energy and enthaply\n",
+ "##initialisation of variables\n",
+ "T= 300. ##C\n",
+ "p= 2. ##Mpa\n",
+ "T1= 300. ##C\n",
+ "p1= 20.##Mpa\n",
+ "T2= 300. ##C\n",
+ "p2= 8.501 ##Mpa\n",
+ "##CALCULATIONS\n",
+ "v= 0.12547\n",
+ "v1= 0.00136\n",
+ "u= 2772.6\n",
+ "u1= 1306.1\n",
+ "h= 3023.5\n",
+ "h1= 1333.3\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume =',v,'m^3/kg')\n",
+ "print'%s %.5f %s'%('volume =',v1,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy = ',u,'kJ/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',u1,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',h,'kJ/kg')\n",
+ "print'%s %.f %s'%('enthalpy = ',h1,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume = 0.12547 m^3/kg\n",
+ "volume = 0.00136 m^3/kg\n",
+ "internal energy = 2772.6 kJ/kg\n",
+ "internal energy = 1306.1 kJ/kg\n",
+ "enthalpy = 3023.5 kJ/kg\n",
+ "enthalpy = 1333 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 17
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example5-pg60\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the volume and internal energy and enthalpy\n",
+ "##initialisation of variables\n",
+ "vf= 0.001404 ##m^3/kg\n",
+ "x= 0.8\n",
+ "vg= 0.02167 ##m^3/kg\n",
+ "uf= 1332. ##kJ/kg\n",
+ "ug= 1231. ##kJ/kg\n",
+ "hf= 1344. ##kJ/kg\n",
+ "hg= 1404.9 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "v= vf+x*(vg-vf)\n",
+ "u= uf+x*ug\n",
+ "h= hf+x*hg\n",
+ "##RESULTS\n",
+ "print'%s %.5f %s'%('volume =',v,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',u,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',h, 'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "volume = 0.01762 m^3/kg\n",
+ "internal energy = 2316.8 kJ/kg\n",
+ "enthalpy = 2467.9 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg 61"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate the specific volume and internal energy and enthalpy and entropy\n",
+ "##initialisation of variables\n",
+ "T= 296. ##K\n",
+ "T1= 250. ##K\n",
+ "T2= 300. ##K\n",
+ "v= 0.1257 ##m^3/kg\n",
+ "v1= 0.11144 ##m^3/kg\n",
+ "u1= 27772.6 ##kJ/kg\n",
+ "u2= 2679.6 ##kJ/kg\n",
+ "h1= 3023.5 ##kJ/kg\n",
+ "h2= 2902.5 ##kJ/kg\n",
+ "s1= 6.7664 ##kJ/kg K\n",
+ "s2= 6.5433 ##kJ/kg K\n",
+ "##CALCULATIONS\n",
+ "a1= (T-T1)/(T2-T1)\n",
+ "a2= 1-a1\n",
+ "V= a1*v+a2*v1\n",
+ "U= a1*u1+a2*u2\n",
+ "H= a1*h1+a2*h2\n",
+ "S= a1*s1+a2*s2\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('a2 = ',a2,'')\n",
+ "print'%s %.5f %s'%('specific volume =',V,'m^3/kg')\n",
+ "print'%s %.1f %s'%('internal energy =',U,'kJ/kg')\n",
+ "print'%s %.1f %s'%('enthalpy =',H,'kJ/kg')\n",
+ "print'%s %.1f %s'%('Entropy =',S,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a2 = 0.080 \n",
+ "specific volume = 0.12456 m^3/kg\n",
+ "internal energy = 25765.2 kJ/kg\n",
+ "enthalpy = 3013.8 kJ/kg\n",
+ "Entropy = 6.7 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exapmle7-pg62"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate a2 and internal enerjy\n",
+ "##initialisation of variables\n",
+ "v= 0.15 ##m^3/kg\n",
+ "v1= 0.13857 ##m^3/kg\n",
+ "v2= 0.1512 ##m^3/kg\n",
+ "v3= 0.050 ##m^3##kg\n",
+ "vf= 0.001177 ##m^3/kg\n",
+ "vg= 0.09963 ##m^3/kg\n",
+ "uf= 906.44 ##kJ/kg\n",
+ "ufg= 1693.8 ##kJ/kg\n",
+ "##CALCULATIONS\n",
+ "a1= (v-v1)/(v2-v1)\n",
+ "a2= 1-a1\n",
+ "x= (v3-vf)/(vg-vf)\n",
+ "u= uf+x*ufg\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('a2 =',a2,'')\n",
+ "print'%s %.1f %s'%('internal energy =',u,'kJ/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a2 = 0.095 \n",
+ "internal energy = 1746.4 kJ/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example8-pg63"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate pressure and temperature\n",
+ "##initialisation of variables\n",
+ "T= 250.##C\n",
+ "T1= 300. ##C\n",
+ "v300= 0.6548 ##m^3/kg\n",
+ "v250= 0.591 ##m^3/kg\n",
+ "v= 0.6 ##m^3/kg\n",
+ "u= 3000. ##kJ/kg\n",
+ "u250= 2726.1 ##kJ/kg\n",
+ "u300= 2804.8 ##kJ/kg\n",
+ "T2= 510.30 \n",
+ "u2= 3145.26 ##kJ/kg\n",
+ "p= 0.4 ##Mpa\n",
+ "p2= 0.2 ##Mpa\n",
+ "##CALCULATIONS\n",
+ "T1= T1+((v-v250)/(v300-v250))*(T2-T)\n",
+ "u1= u250+((v-v250)/(v300-v250))*(u300-u250)\n",
+ "du= u1-u\n",
+ "p1= p+((u-u1)/(u2-u1))*p2\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'%('pressure =',p1,'Mpa')\n",
+ "print'%s %.f %s'%('temperature =',T2,'C')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "pressure = 0.529 Mpa\n",
+ "temperature = 510 C\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex10-pg64"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "##initialisation of variables\n",
+ "n= 1.5 ##kmol\n",
+ "V= 0.5 ##m**3\n",
+ "M= 18.02 ##kg\n",
+ "##CALCULATIONS\n",
+ "m= n*M\n",
+ "v= V/m\n",
+ "##RESULTS\n",
+ "print'%s %.2f %s'% ('mass = ',m,' kg')\n",
+ "print'%s %.2f %s'% (' sepcific volume = ',v,' m^3/kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass = 27.03 kg\n",
+ " sepcific volume = 0.02 m^3/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 12-pg66"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat interaction\n",
+ "##initialisation of variables\n",
+ "V= 0.2 ##m^3\n",
+ "v1= 0.02995 ##m^3/kg\n",
+ "u2= 2826.7 ##kJ/kg\n",
+ "u1= 2747.7 ##kJ/kg\n",
+ "h2= 3092.5 ##kJ/kg\n",
+ "h1= 2987.3 ##kJ/kg\n",
+ "p= 4 ##Mpa\n",
+ "v2= 0.06645 ##m^3/kg\n",
+ "v1= 0.02995 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "m= V/v1\n",
+ "U= m*(u2-u1)\n",
+ "H= m*(h2-h1)\n",
+ "W= m*p*10*10*10*(v2-v1)\n",
+ "Q= U+W\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work =',W,'kJ') \n",
+ "print'%s %.1f %s'%('heat interaction =',Q,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work = 975.0 kJ\n",
+ "heat interaction = 1502.5 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example13-pg 67"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate work and heat interaction\n",
+ "##initialisation of variables\n",
+ "m= 6.678 ##kg\n",
+ "u2= 2826.7 ##kJ/kg\n",
+ "u1= 2747.7 ##kJ/kg\n",
+ "p1= 8. ##Mpa\n",
+ "p2= 7. ##Mpa\n",
+ "p3= 6. ##Mpa\n",
+ "p4= 5. ##Mpa\n",
+ "p5= 4. ##Mpa\n",
+ "v1= 29.95 ##L/kg\n",
+ "v2= 35.24 ##L/kg\n",
+ "v3= 42.23 ##L/kg\n",
+ "v4= 51.94 ##L/kg\n",
+ "v5= 66.45 ##L/kg\n",
+ "##CALCULATIONS\n",
+ "U= m*(u2-u1)\n",
+ "W= m*0.5*((p1+p2)*(v2-v1)+(p2+p3)*(v3-v2)+(p3+p4)*(v4-v3)+(p4+p5)*(v5-v4))\n",
+ "Q=U+W\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('work =',W,'kJ') \n",
+ "print'%s %.f %s'%('heat interaction =',Q,'kJ') \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "work = 1361.0 kJ\n",
+ "heat interaction = 1889 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 14-pg68\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final pressure and enthalpy and etropy\n",
+ "##initialisation of variables\n",
+ "p0= 100. ##kpa\n",
+ "A= 0.1 ##m^2\n",
+ "F= 20. ##kN\n",
+ "m3= 0.8873 ##kg\n",
+ "m1= 1.1384 ##kg\n",
+ "m2= 0.2511 ##kg\n",
+ "u1= 3116.2 ##kJ/kg\n",
+ "u2= 2728.7 ##kJ/kg\n",
+ "v3= 0.9942 ##m^3/kg\n",
+ "##CALCULATIONS\n",
+ "pe= (p0+(F/A))/1000\n",
+ "h3= (m1*u1-m2*u2)/m3\n",
+ "z3= m3*v3/A\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('final pressure =',pe,'Mpa') \n",
+ "print'%s %.1f %s'%('enthalpy = ',h3,'kJ/kg') \n",
+ "print'%s %.2f %s'%('piston rise =',z3,'m') \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final pressure = 0.3 Mpa\n",
+ "enthalpy = 3225.9 kJ/kg\n",
+ "piston rise = 8.82 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/README.txt b/Thermodynamics:_From_concepts_to_applications/README.txt new file mode 100755 index 00000000..65a9b2fb --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/README.txt @@ -0,0 +1,10 @@ +Contributed By: nitin kumar +Course: btech +College/Institute/Organization: IIT Bombay +Department/Designation: Aerospace Engineering +Book Title: Thermodynamics: From concepts to applications +Author: A. Shavit And C. Gutfinger +Publisher: Taylor & Francis Group +Year of publication: 2009 +Isbn: 0521850428 +Edition: 2
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/chapter12.ipynb b/Thermodynamics:_From_concepts_to_applications/chapter12.ipynb new file mode 100755 index 00000000..aea962e5 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/chapter12.ipynb @@ -0,0 +1,314 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:2837d214113f06819e10997f047a7eaa67f457e584a6b0f4db06b83606bfd8b8"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter12-ideal gas mixtures and humid air"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 251"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate molecular weight of air\n",
+ "##initialisation of variables\n",
+ "x= 0.78\n",
+ "x1= 0.21\n",
+ "x2= 0.008\n",
+ "x3= 0.002\n",
+ "MN2= 28.013 ##gms\n",
+ "MO2= 32. ##gms\n",
+ "MAr= 39.948 ##gms\n",
+ "MH2O= 18.016 ##gms\n",
+ "##CALCULATIONS\n",
+ "M= x*MN2+x1*MO2+x2*MAr+x3*MH2O\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('molecular wight of air=',M,'kg/kmol')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "molecular wight of air= 28.926 kg/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg254"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate average value and mass\n",
+ "##initialisation of variables\n",
+ "M= 30.04 ##kg/kmol\n",
+ "R= 8.3143 ##J/mol K\n",
+ "p= 100. ##kPa\n",
+ "V= 0.2 ##m^3\n",
+ "T= 25. ##C\n",
+ "##CALCULATIONS\n",
+ "R1= R/M\n",
+ "m= p*V/(R1*(273.15+T))\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('average value of R=',R1,'kJ/kg K')\n",
+ "print'%s %.3f %s'% ('mass=',m,'kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "average value of R= 0.2768 kJ/kg K\n",
+ "mass= 0.242 kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg256"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperature and final pressure and change in entropy\n",
+ "##initialisation of variables\n",
+ "m1= 0.5 ##kg\n",
+ "cv1= 0.6496 ##kJ/kg K\n",
+ "T1= 80. ##C\n",
+ "m2= 1. ##kg\n",
+ "cv2= 0.6299 ##kJ/kg K\n",
+ "T2= 150. ##C\n",
+ "M= 32. ##kg\n",
+ "M1= 44. ##kg\n",
+ "V1= 0.11437 ##m^3\n",
+ "V2= 0.1 ##m^2\n",
+ "R= 8.314 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "T= (m1*cv1*(273.15+T1)+m2*cv2*(273.15+T2))/(m1*cv1+m2*cv2)\n",
+ "p= ((m1/M)+(m2/M1))*R*T/(V1+V2)\n",
+ "S= m1*(cv1*math.log(T/(273.15+T1))+(R/M)*math.log((V1+V2)/V1))+m2*(cv2*math.log(T/(273.15+T2))+(R/M1)*math.log((V1+V2)/V2))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('final temperature=',T,'kPa')\n",
+ "print'%s %.1f %s'% ('final pressure=',p,'kPa')\n",
+ "print'%s %.4f %s'% ('change in entropy=',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature= 399.3 kPa\n",
+ "final pressure= 594.0 kPa\n",
+ "change in entropy= 0.2291 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg268\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate wet-bulb temoerature and minimum temperature and amount of water injected\n",
+ "##initialisation of variables\n",
+ "Twb= 22. ##C\n",
+ "Tmin= 22.3 ##C\n",
+ "w2= 0.0170 ##kg/kg dry air\n",
+ "w1= 0.0093 ##kg/kg dry air\n",
+ "##CALCULATIONS\n",
+ "m= w2-w1\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% (' wet-bulb temperature=',Twb,'C')\n",
+ "print'%s %.f %s'% ('minimum temperature=',Tmin,'1C')\n",
+ "print'%s %.4f %s'% ('amount of water injected=',m,'kg/kg dry air')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " wet-bulb temperature= 22 C\n",
+ "minimum temperature= 22 1C\n",
+ "amount of water injected= 0.0077 kg/kg dry air\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg269"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate state after mixing\n",
+ "##initialisation of variables\n",
+ "w3= 0.0178 ##kg/kgair\n",
+ "w4= 0.0172 ##kg/kgair\n",
+ "##CALCULATIONS\n",
+ "dw= w3-w4\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% (' state after mixing=',dw,'kg/kgair')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " state after mixing= 0.0006 kg/kgair\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg271"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate air mass flow rate and amount of water to be added\n",
+ "##initialisation of variables\n",
+ "m= 20000. ##kg/h\n",
+ "T1= 42. ##C\n",
+ "T2= 22. ##C\n",
+ "J= 4.186 ##cal\n",
+ "h1= 54. ##kJ/kg\n",
+ "h2= 94.8 ##kJ/kg\n",
+ "w1= 0.0105 ##kg/h kg\n",
+ "w2= 0.0244 ##kg/h kg\n",
+ "##CALCULATIONS\n",
+ "ma= m*(T1-T2)*J/((h2-h1-J*T2*(w2-w1)))\n",
+ "mw= ma*(w2-w1)\n",
+ "m4= m-mw\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('air mass flow rate=',ma,'kg/hr')\n",
+ "print'%s %.f %s'%('amount of water to be added=',m4,'kg/hr')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "air mass flow rate= 42368.5 kg/hr\n",
+ "amount of water to be added= 19411 kg/hr\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg272"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate maximum useful work\n",
+ "##initialisation of variables\n",
+ "x= 0.79\n",
+ "P0= 101 ##kPa\n",
+ "P= 20 ##Mpa\n",
+ "V= 0.032 ##m^3\n",
+ "##CALCULATIONS\n",
+ "p= x*P0\n",
+ "Wrev= P*10*10*10*V*(math.log(P/(p*math.pow(10,-3)))+((p*math.pow(10,-3))/P)-1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' maximum useful work=',Wrev,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " maximum useful work= 2898.0 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/chapter12_1.ipynb b/Thermodynamics:_From_concepts_to_applications/chapter12_1.ipynb new file mode 100755 index 00000000..aea962e5 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/chapter12_1.ipynb @@ -0,0 +1,314 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:2837d214113f06819e10997f047a7eaa67f457e584a6b0f4db06b83606bfd8b8"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter12-ideal gas mixtures and humid air"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 251"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate molecular weight of air\n",
+ "##initialisation of variables\n",
+ "x= 0.78\n",
+ "x1= 0.21\n",
+ "x2= 0.008\n",
+ "x3= 0.002\n",
+ "MN2= 28.013 ##gms\n",
+ "MO2= 32. ##gms\n",
+ "MAr= 39.948 ##gms\n",
+ "MH2O= 18.016 ##gms\n",
+ "##CALCULATIONS\n",
+ "M= x*MN2+x1*MO2+x2*MAr+x3*MH2O\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('molecular wight of air=',M,'kg/kmol')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "molecular wight of air= 28.926 kg/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg254"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate average value and mass\n",
+ "##initialisation of variables\n",
+ "M= 30.04 ##kg/kmol\n",
+ "R= 8.3143 ##J/mol K\n",
+ "p= 100. ##kPa\n",
+ "V= 0.2 ##m^3\n",
+ "T= 25. ##C\n",
+ "##CALCULATIONS\n",
+ "R1= R/M\n",
+ "m= p*V/(R1*(273.15+T))\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('average value of R=',R1,'kJ/kg K')\n",
+ "print'%s %.3f %s'% ('mass=',m,'kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "average value of R= 0.2768 kJ/kg K\n",
+ "mass= 0.242 kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg256"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperature and final pressure and change in entropy\n",
+ "##initialisation of variables\n",
+ "m1= 0.5 ##kg\n",
+ "cv1= 0.6496 ##kJ/kg K\n",
+ "T1= 80. ##C\n",
+ "m2= 1. ##kg\n",
+ "cv2= 0.6299 ##kJ/kg K\n",
+ "T2= 150. ##C\n",
+ "M= 32. ##kg\n",
+ "M1= 44. ##kg\n",
+ "V1= 0.11437 ##m^3\n",
+ "V2= 0.1 ##m^2\n",
+ "R= 8.314 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "T= (m1*cv1*(273.15+T1)+m2*cv2*(273.15+T2))/(m1*cv1+m2*cv2)\n",
+ "p= ((m1/M)+(m2/M1))*R*T/(V1+V2)\n",
+ "S= m1*(cv1*math.log(T/(273.15+T1))+(R/M)*math.log((V1+V2)/V1))+m2*(cv2*math.log(T/(273.15+T2))+(R/M1)*math.log((V1+V2)/V2))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('final temperature=',T,'kPa')\n",
+ "print'%s %.1f %s'% ('final pressure=',p,'kPa')\n",
+ "print'%s %.4f %s'% ('change in entropy=',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature= 399.3 kPa\n",
+ "final pressure= 594.0 kPa\n",
+ "change in entropy= 0.2291 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg268\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate wet-bulb temoerature and minimum temperature and amount of water injected\n",
+ "##initialisation of variables\n",
+ "Twb= 22. ##C\n",
+ "Tmin= 22.3 ##C\n",
+ "w2= 0.0170 ##kg/kg dry air\n",
+ "w1= 0.0093 ##kg/kg dry air\n",
+ "##CALCULATIONS\n",
+ "m= w2-w1\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% (' wet-bulb temperature=',Twb,'C')\n",
+ "print'%s %.f %s'% ('minimum temperature=',Tmin,'1C')\n",
+ "print'%s %.4f %s'% ('amount of water injected=',m,'kg/kg dry air')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " wet-bulb temperature= 22 C\n",
+ "minimum temperature= 22 1C\n",
+ "amount of water injected= 0.0077 kg/kg dry air\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg269"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate state after mixing\n",
+ "##initialisation of variables\n",
+ "w3= 0.0178 ##kg/kgair\n",
+ "w4= 0.0172 ##kg/kgair\n",
+ "##CALCULATIONS\n",
+ "dw= w3-w4\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% (' state after mixing=',dw,'kg/kgair')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " state after mixing= 0.0006 kg/kgair\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg271"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate air mass flow rate and amount of water to be added\n",
+ "##initialisation of variables\n",
+ "m= 20000. ##kg/h\n",
+ "T1= 42. ##C\n",
+ "T2= 22. ##C\n",
+ "J= 4.186 ##cal\n",
+ "h1= 54. ##kJ/kg\n",
+ "h2= 94.8 ##kJ/kg\n",
+ "w1= 0.0105 ##kg/h kg\n",
+ "w2= 0.0244 ##kg/h kg\n",
+ "##CALCULATIONS\n",
+ "ma= m*(T1-T2)*J/((h2-h1-J*T2*(w2-w1)))\n",
+ "mw= ma*(w2-w1)\n",
+ "m4= m-mw\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('air mass flow rate=',ma,'kg/hr')\n",
+ "print'%s %.f %s'%('amount of water to be added=',m4,'kg/hr')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "air mass flow rate= 42368.5 kg/hr\n",
+ "amount of water to be added= 19411 kg/hr\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg272"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate maximum useful work\n",
+ "##initialisation of variables\n",
+ "x= 0.79\n",
+ "P0= 101 ##kPa\n",
+ "P= 20 ##Mpa\n",
+ "V= 0.032 ##m^3\n",
+ "##CALCULATIONS\n",
+ "p= x*P0\n",
+ "Wrev= P*10*10*10*V*(math.log(P/(p*math.pow(10,-3)))+((p*math.pow(10,-3))/P)-1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' maximum useful work=',Wrev,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " maximum useful work= 2898.0 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/chapter12_2.ipynb b/Thermodynamics:_From_concepts_to_applications/chapter12_2.ipynb new file mode 100755 index 00000000..aea962e5 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/chapter12_2.ipynb @@ -0,0 +1,314 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:2837d214113f06819e10997f047a7eaa67f457e584a6b0f4db06b83606bfd8b8"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter12-ideal gas mixtures and humid air"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 251"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate molecular weight of air\n",
+ "##initialisation of variables\n",
+ "x= 0.78\n",
+ "x1= 0.21\n",
+ "x2= 0.008\n",
+ "x3= 0.002\n",
+ "MN2= 28.013 ##gms\n",
+ "MO2= 32. ##gms\n",
+ "MAr= 39.948 ##gms\n",
+ "MH2O= 18.016 ##gms\n",
+ "##CALCULATIONS\n",
+ "M= x*MN2+x1*MO2+x2*MAr+x3*MH2O\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('molecular wight of air=',M,'kg/kmol')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "molecular wight of air= 28.926 kg/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg254"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate average value and mass\n",
+ "##initialisation of variables\n",
+ "M= 30.04 ##kg/kmol\n",
+ "R= 8.3143 ##J/mol K\n",
+ "p= 100. ##kPa\n",
+ "V= 0.2 ##m^3\n",
+ "T= 25. ##C\n",
+ "##CALCULATIONS\n",
+ "R1= R/M\n",
+ "m= p*V/(R1*(273.15+T))\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('average value of R=',R1,'kJ/kg K')\n",
+ "print'%s %.3f %s'% ('mass=',m,'kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "average value of R= 0.2768 kJ/kg K\n",
+ "mass= 0.242 kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg256"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperature and final pressure and change in entropy\n",
+ "##initialisation of variables\n",
+ "m1= 0.5 ##kg\n",
+ "cv1= 0.6496 ##kJ/kg K\n",
+ "T1= 80. ##C\n",
+ "m2= 1. ##kg\n",
+ "cv2= 0.6299 ##kJ/kg K\n",
+ "T2= 150. ##C\n",
+ "M= 32. ##kg\n",
+ "M1= 44. ##kg\n",
+ "V1= 0.11437 ##m^3\n",
+ "V2= 0.1 ##m^2\n",
+ "R= 8.314 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "T= (m1*cv1*(273.15+T1)+m2*cv2*(273.15+T2))/(m1*cv1+m2*cv2)\n",
+ "p= ((m1/M)+(m2/M1))*R*T/(V1+V2)\n",
+ "S= m1*(cv1*math.log(T/(273.15+T1))+(R/M)*math.log((V1+V2)/V1))+m2*(cv2*math.log(T/(273.15+T2))+(R/M1)*math.log((V1+V2)/V2))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('final temperature=',T,'kPa')\n",
+ "print'%s %.1f %s'% ('final pressure=',p,'kPa')\n",
+ "print'%s %.4f %s'% ('change in entropy=',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature= 399.3 kPa\n",
+ "final pressure= 594.0 kPa\n",
+ "change in entropy= 0.2291 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg268\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate wet-bulb temoerature and minimum temperature and amount of water injected\n",
+ "##initialisation of variables\n",
+ "Twb= 22. ##C\n",
+ "Tmin= 22.3 ##C\n",
+ "w2= 0.0170 ##kg/kg dry air\n",
+ "w1= 0.0093 ##kg/kg dry air\n",
+ "##CALCULATIONS\n",
+ "m= w2-w1\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% (' wet-bulb temperature=',Twb,'C')\n",
+ "print'%s %.f %s'% ('minimum temperature=',Tmin,'1C')\n",
+ "print'%s %.4f %s'% ('amount of water injected=',m,'kg/kg dry air')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " wet-bulb temperature= 22 C\n",
+ "minimum temperature= 22 1C\n",
+ "amount of water injected= 0.0077 kg/kg dry air\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg269"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate state after mixing\n",
+ "##initialisation of variables\n",
+ "w3= 0.0178 ##kg/kgair\n",
+ "w4= 0.0172 ##kg/kgair\n",
+ "##CALCULATIONS\n",
+ "dw= w3-w4\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% (' state after mixing=',dw,'kg/kgair')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " state after mixing= 0.0006 kg/kgair\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg271"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate air mass flow rate and amount of water to be added\n",
+ "##initialisation of variables\n",
+ "m= 20000. ##kg/h\n",
+ "T1= 42. ##C\n",
+ "T2= 22. ##C\n",
+ "J= 4.186 ##cal\n",
+ "h1= 54. ##kJ/kg\n",
+ "h2= 94.8 ##kJ/kg\n",
+ "w1= 0.0105 ##kg/h kg\n",
+ "w2= 0.0244 ##kg/h kg\n",
+ "##CALCULATIONS\n",
+ "ma= m*(T1-T2)*J/((h2-h1-J*T2*(w2-w1)))\n",
+ "mw= ma*(w2-w1)\n",
+ "m4= m-mw\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('air mass flow rate=',ma,'kg/hr')\n",
+ "print'%s %.f %s'%('amount of water to be added=',m4,'kg/hr')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "air mass flow rate= 42368.5 kg/hr\n",
+ "amount of water to be added= 19411 kg/hr\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg272"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate maximum useful work\n",
+ "##initialisation of variables\n",
+ "x= 0.79\n",
+ "P0= 101 ##kPa\n",
+ "P= 20 ##Mpa\n",
+ "V= 0.032 ##m^3\n",
+ "##CALCULATIONS\n",
+ "p= x*P0\n",
+ "Wrev= P*10*10*10*V*(math.log(P/(p*math.pow(10,-3)))+((p*math.pow(10,-3))/P)-1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' maximum useful work=',Wrev,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " maximum useful work= 2898.0 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/chapter12_3.ipynb b/Thermodynamics:_From_concepts_to_applications/chapter12_3.ipynb new file mode 100755 index 00000000..5fdaadb8 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/chapter12_3.ipynb @@ -0,0 +1,314 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:452c6dcc441bc91e8f34d763554249fd3e1009077055510d7afc6705627abbf4"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter12-ideal gas mixtures and humid air"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 338"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate molecular weight of air\n",
+ "##initialisation of variables\n",
+ "x= 0.78\n",
+ "x1= 0.21\n",
+ "x2= 0.008\n",
+ "x3= 0.002\n",
+ "MN2= 28.013 ##gms\n",
+ "MO2= 32. ##gms\n",
+ "MAr= 39.948 ##gms\n",
+ "MH2O= 18.016 ##gms\n",
+ "##CALCULATIONS\n",
+ "M= x*MN2+x1*MO2+x2*MAr+x3*MH2O\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('molecular wight of air=',M,'kg/kmol')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "molecular wight of air= 28.926 kg/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg341"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate average value and mass\n",
+ "##initialisation of variables\n",
+ "M= 30.04 ##kg/kmol\n",
+ "R= 8.3143 ##J/mol K\n",
+ "p= 100. ##kPa\n",
+ "V= 0.2 ##m^3\n",
+ "T= 25. ##C\n",
+ "##CALCULATIONS\n",
+ "R1= R/M\n",
+ "m= p*V/(R1*(273.15+T))\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('average value of R=',R1,'kJ/kg K')\n",
+ "print'%s %.3f %s'% ('mass=',m,'kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "average value of R= 0.2768 kJ/kg K\n",
+ "mass= 0.242 kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg343"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperature and final pressure and change in entropy\n",
+ "##initialisation of variables\n",
+ "m1= 0.5 ##kg\n",
+ "cv1= 0.6496 ##kJ/kg K\n",
+ "T1= 80. ##C\n",
+ "m2= 1. ##kg\n",
+ "cv2= 0.6299 ##kJ/kg K\n",
+ "T2= 150. ##C\n",
+ "M= 32. ##kg\n",
+ "M1= 44. ##kg\n",
+ "V1= 0.11437 ##m^3\n",
+ "V2= 0.1 ##m^2\n",
+ "R= 8.314 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "T= (m1*cv1*(273.15+T1)+m2*cv2*(273.15+T2))/(m1*cv1+m2*cv2)\n",
+ "p= ((m1/M)+(m2/M1))*R*T/(V1+V2)\n",
+ "S= m1*(cv1*math.log(T/(273.15+T1))+(R/M)*math.log((V1+V2)/V1))+m2*(cv2*math.log(T/(273.15+T2))+(R/M1)*math.log((V1+V2)/V2))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('final temperature=',T,'kPa')\n",
+ "print'%s %.1f %s'% ('final pressure=',p,'kPa')\n",
+ "print'%s %.4f %s'% ('change in entropy=',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature= 399.3 kPa\n",
+ "final pressure= 594.0 kPa\n",
+ "change in entropy= 0.2291 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg354\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate wet-bulb temoerature and minimum temperature and amount of water injected\n",
+ "##initialisation of variables\n",
+ "Twb= 22. ##C\n",
+ "Tmin= 22.3 ##C\n",
+ "w2= 0.0170 ##kg/kg dry air\n",
+ "w1= 0.0093 ##kg/kg dry air\n",
+ "##CALCULATIONS\n",
+ "m= w2-w1\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% (' wet-bulb temperature=',Twb,'C')\n",
+ "print'%s %.f %s'% ('minimum temperature=',Tmin,'1C')\n",
+ "print'%s %.4f %s'% ('amount of water injected=',m,'kg/kg dry air')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " wet-bulb temperature= 22 C\n",
+ "minimum temperature= 22 1C\n",
+ "amount of water injected= 0.0077 kg/kg dry air\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg356"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate state after mixing\n",
+ "##initialisation of variables\n",
+ "w3= 0.0178 ##kg/kgair\n",
+ "w4= 0.0172 ##kg/kgair\n",
+ "##CALCULATIONS\n",
+ "dw= w3-w4\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% (' state after mixing=',dw,'kg/kgair')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " state after mixing= 0.0006 kg/kgair\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg357"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate air mass flow rate and amount of water to be added\n",
+ "##initialisation of variables\n",
+ "m= 20000. ##kg/h\n",
+ "T1= 42. ##C\n",
+ "T2= 22. ##C\n",
+ "J= 4.186 ##cal\n",
+ "h1= 54. ##kJ/kg\n",
+ "h2= 94.8 ##kJ/kg\n",
+ "w1= 0.0105 ##kg/h kg\n",
+ "w2= 0.0244 ##kg/h kg\n",
+ "##CALCULATIONS\n",
+ "ma= m*(T1-T2)*J/((h2-h1-J*T2*(w2-w1)))\n",
+ "mw= ma*(w2-w1)\n",
+ "m4= m-mw\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('air mass flow rate=',ma,'kg/hr')\n",
+ "print'%s %.f %s'%('amount of water to be added=',m4,'kg/hr')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "air mass flow rate= 42368.5 kg/hr\n",
+ "amount of water to be added= 19411 kg/hr\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg359"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate maximum useful work\n",
+ "##initialisation of variables\n",
+ "x= 0.79\n",
+ "P0= 101 ##kPa\n",
+ "P= 20 ##Mpa\n",
+ "V= 0.032 ##m^3\n",
+ "##CALCULATIONS\n",
+ "p= x*P0\n",
+ "Wrev= P*10*10*10*V*(math.log(P/(p*math.pow(10,-3)))+((p*math.pow(10,-3))/P)-1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' maximum useful work=',Wrev,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " maximum useful work= 2898.0 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file diff --git a/Thermodynamics:_From_concepts_to_applications/chapter12_ideal_gas_mixtures_and_humid_air.ipynb b/Thermodynamics:_From_concepts_to_applications/chapter12_ideal_gas_mixtures_and_humid_air.ipynb new file mode 100755 index 00000000..aea962e5 --- /dev/null +++ b/Thermodynamics:_From_concepts_to_applications/chapter12_ideal_gas_mixtures_and_humid_air.ipynb @@ -0,0 +1,314 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:2837d214113f06819e10997f047a7eaa67f457e584a6b0f4db06b83606bfd8b8"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter12-ideal gas mixtures and humid air"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example1-pg 251"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate molecular weight of air\n",
+ "##initialisation of variables\n",
+ "x= 0.78\n",
+ "x1= 0.21\n",
+ "x2= 0.008\n",
+ "x3= 0.002\n",
+ "MN2= 28.013 ##gms\n",
+ "MO2= 32. ##gms\n",
+ "MAr= 39.948 ##gms\n",
+ "MH2O= 18.016 ##gms\n",
+ "##CALCULATIONS\n",
+ "M= x*MN2+x1*MO2+x2*MAr+x3*MH2O\n",
+ "##RESULTS\n",
+ "print'%s %.3f %s'% ('molecular wight of air=',M,'kg/kmol')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "molecular wight of air= 28.926 kg/kmol\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example2-pg254"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate average value and mass\n",
+ "##initialisation of variables\n",
+ "M= 30.04 ##kg/kmol\n",
+ "R= 8.3143 ##J/mol K\n",
+ "p= 100. ##kPa\n",
+ "V= 0.2 ##m^3\n",
+ "T= 25. ##C\n",
+ "##CALCULATIONS\n",
+ "R1= R/M\n",
+ "m= p*V/(R1*(273.15+T))\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% ('average value of R=',R1,'kJ/kg K')\n",
+ "print'%s %.3f %s'% ('mass=',m,'kg')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "average value of R= 0.2768 kJ/kg K\n",
+ "mass= 0.242 kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example3-pg256"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate final temperature and final pressure and change in entropy\n",
+ "##initialisation of variables\n",
+ "m1= 0.5 ##kg\n",
+ "cv1= 0.6496 ##kJ/kg K\n",
+ "T1= 80. ##C\n",
+ "m2= 1. ##kg\n",
+ "cv2= 0.6299 ##kJ/kg K\n",
+ "T2= 150. ##C\n",
+ "M= 32. ##kg\n",
+ "M1= 44. ##kg\n",
+ "V1= 0.11437 ##m^3\n",
+ "V2= 0.1 ##m^2\n",
+ "R= 8.314 ##J/mol K\n",
+ "##CALCULATIONS\n",
+ "T= (m1*cv1*(273.15+T1)+m2*cv2*(273.15+T2))/(m1*cv1+m2*cv2)\n",
+ "p= ((m1/M)+(m2/M1))*R*T/(V1+V2)\n",
+ "S= m1*(cv1*math.log(T/(273.15+T1))+(R/M)*math.log((V1+V2)/V1))+m2*(cv2*math.log(T/(273.15+T2))+(R/M1)*math.log((V1+V2)/V2))\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% ('final temperature=',T,'kPa')\n",
+ "print'%s %.1f %s'% ('final pressure=',p,'kPa')\n",
+ "print'%s %.4f %s'% ('change in entropy=',S,'kJ/K')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "final temperature= 399.3 kPa\n",
+ "final pressure= 594.0 kPa\n",
+ "change in entropy= 0.2291 kJ/K\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example4-pg268\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate wet-bulb temoerature and minimum temperature and amount of water injected\n",
+ "##initialisation of variables\n",
+ "Twb= 22. ##C\n",
+ "Tmin= 22.3 ##C\n",
+ "w2= 0.0170 ##kg/kg dry air\n",
+ "w1= 0.0093 ##kg/kg dry air\n",
+ "##CALCULATIONS\n",
+ "m= w2-w1\n",
+ "##RESULTS\n",
+ "print'%s %.f %s'% (' wet-bulb temperature=',Twb,'C')\n",
+ "print'%s %.f %s'% ('minimum temperature=',Tmin,'1C')\n",
+ "print'%s %.4f %s'% ('amount of water injected=',m,'kg/kg dry air')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " wet-bulb temperature= 22 C\n",
+ "minimum temperature= 22 1C\n",
+ "amount of water injected= 0.0077 kg/kg dry air\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5-pg269"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate state after mixing\n",
+ "##initialisation of variables\n",
+ "w3= 0.0178 ##kg/kgair\n",
+ "w4= 0.0172 ##kg/kgair\n",
+ "##CALCULATIONS\n",
+ "dw= w3-w4\n",
+ "##RESULTS\n",
+ "print'%s %.4f %s'% (' state after mixing=',dw,'kg/kgair')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " state after mixing= 0.0006 kg/kgair\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example6-pg271"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate air mass flow rate and amount of water to be added\n",
+ "##initialisation of variables\n",
+ "m= 20000. ##kg/h\n",
+ "T1= 42. ##C\n",
+ "T2= 22. ##C\n",
+ "J= 4.186 ##cal\n",
+ "h1= 54. ##kJ/kg\n",
+ "h2= 94.8 ##kJ/kg\n",
+ "w1= 0.0105 ##kg/h kg\n",
+ "w2= 0.0244 ##kg/h kg\n",
+ "##CALCULATIONS\n",
+ "ma= m*(T1-T2)*J/((h2-h1-J*T2*(w2-w1)))\n",
+ "mw= ma*(w2-w1)\n",
+ "m4= m-mw\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'%('air mass flow rate=',ma,'kg/hr')\n",
+ "print'%s %.f %s'%('amount of water to be added=',m4,'kg/hr')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "air mass flow rate= 42368.5 kg/hr\n",
+ "amount of water to be added= 19411 kg/hr\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example7-pg272"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#calculate maximum useful work\n",
+ "##initialisation of variables\n",
+ "x= 0.79\n",
+ "P0= 101 ##kPa\n",
+ "P= 20 ##Mpa\n",
+ "V= 0.032 ##m^3\n",
+ "##CALCULATIONS\n",
+ "p= x*P0\n",
+ "Wrev= P*10*10*10*V*(math.log(P/(p*math.pow(10,-3)))+((p*math.pow(10,-3))/P)-1)\n",
+ "##RESULTS\n",
+ "print'%s %.1f %s'% (' maximum useful work=',Wrev,'kJ')\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " maximum useful work= 2898.0 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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