From fba055ce5aa0955e22bac2413c33493b10ae6532 Mon Sep 17 00:00:00 2001 From: hardythe1 Date: Tue, 5 May 2015 14:21:39 +0530 Subject: add books --- .../Chapter8-Entropy.ipynb | 309 --------------------- 1 file changed, 309 deletions(-) delete mode 100755 Thermodynamics:_From_concepts_to_applications/Chapter8-Entropy.ipynb (limited to 'Thermodynamics:_From_concepts_to_applications/Chapter8-Entropy.ipynb') diff --git a/Thermodynamics:_From_concepts_to_applications/Chapter8-Entropy.ipynb b/Thermodynamics:_From_concepts_to_applications/Chapter8-Entropy.ipynb deleted file mode 100755 index c1d76b67..00000000 --- a/Thermodynamics:_From_concepts_to_applications/Chapter8-Entropy.ipynb +++ /dev/null @@ -1,309 +0,0 @@ -{ - "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 -- cgit