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| author | kinitrupti | 2017-05-12 18:53:46 +0530 |
|---|---|---|
| committer | kinitrupti | 2017-05-12 18:53:46 +0530 |
| commit | 6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d (patch) | |
| tree | 22789c9dbe468dae6697dcd12d8e97de4bcf94a2 /Mechanical_Engineering_Thermodynamics_by_Mooney_D_A/Chapter_10.ipynb | |
| parent | d36fc3b8f88cc3108ffff6151e376b619b9abb01 (diff) | |
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Removed duplicates
Diffstat (limited to 'Mechanical_Engineering_Thermodynamics_by_Mooney_D_A/Chapter_10.ipynb')
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diff --git a/Mechanical_Engineering_Thermodynamics_by_Mooney_D_A/Chapter_10.ipynb b/Mechanical_Engineering_Thermodynamics_by_Mooney_D_A/Chapter_10.ipynb new file mode 100755 index 00000000..aa1e31ac --- /dev/null +++ b/Mechanical_Engineering_Thermodynamics_by_Mooney_D_A/Chapter_10.ipynb @@ -0,0 +1,457 @@ +{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 10 - Tabulated Properties : Steam Tables"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 1 - Pg 155"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Calculate the work and heat of vaporization of water\n",
+ "#initialization of varaibles\n",
+ "P=100. #psia\n",
+ "hfg=888.8 #B/lb\n",
+ "#calculations\n",
+ "print '%s' %(\"From steam tables,\")\n",
+ "vg=4.432 #cu ft/lb\n",
+ "vf=0.001774 #cu ft/lb\n",
+ "W=P*(vg-vf)*144\n",
+ "ufg=807.1 #B/lb\n",
+ "W=hfg-ufg\n",
+ "sfg=1.1286\n",
+ "Q=788*sfg #Heat\n",
+ "#results\n",
+ "print '%s %.1f %s' %(\"Work done = \",W,\"B/lb\")\n",
+ "print '%s %d %s' %(\"\\n Heat of vaporization of water =\",Q,\"B/lb\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "From steam tables,\n",
+ "Work done = 81.7 B/lb\n",
+ "\n",
+ " Heat of vaporization of water = 889 B/lb\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2 - Pg 156"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#caclulate the pressure, temperature and enthalpy\n",
+ "#initialization of varaibles\n",
+ "s=1.6315 #B/lb R\n",
+ "#calculations\n",
+ "print '%s' %(\"From table 1 \")\n",
+ "h=1180.6 #B/lb\n",
+ "t=302.92 #F\n",
+ "p=70 #psia\n",
+ "#results\n",
+ "print '%s %d %s' %(\"Pressure = \",p,\"psia\")\n",
+ "print '%s %.2f %s' %(\"\\n Temperature =\",t,\"F\")\n",
+ "print '%s %.1f %s' %(\"\\n Enthalpy =\",h,\"B/lb\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "From table 1 \n",
+ "Pressure = 70 psia\n",
+ "\n",
+ " Temperature = 302.92 F\n",
+ "\n",
+ " Enthalpy = 1180.6 B/lb\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3 - Pg 156"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the Internal energy of the gas\n",
+ "#initialization of varaibles\n",
+ "T=250. #F\n",
+ "print '%s' %(\"From table 1,\")\n",
+ "p=29.825 #psia\n",
+ "hg=1164 #B/lb\n",
+ "vg=13.821 #cu ft/lb\n",
+ "#calculations\n",
+ "ug=hg-(p)*144*vg/778.\n",
+ "#results\n",
+ "print '%s %.1f %s' %(\"Internal energy of the gas = \",ug,\"B/lb\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "From table 1,\n",
+ "Internal energy of the gas = 1087.7 B/lb\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4 - Pg 158"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Calculate the specific volume, Enthalpy and Entropy of the gas\n",
+ "#initialization of varaibles\n",
+ "x=0.4\n",
+ "P=100. #psia\n",
+ "#calculations\n",
+ "y=1-x\n",
+ "print '%s' %(\"From table 2,\")\n",
+ "vf=0.01774\n",
+ "vg=4.432\n",
+ "vx=x*vf+y*vg\n",
+ "hf=298.4\n",
+ "hfg=888.8\n",
+ "hx=hf+y*hfg\n",
+ "sg=1.6026\n",
+ "sfg=1.1286\n",
+ "sx=sg-x*sfg\n",
+ "#results\n",
+ "print '%s %.3f %s' %(\"Specific volume = \",vx,\"cu ft/lb\")\n",
+ "print '%s %.1f %s' %(\"\\n Enthalpy =\",hx,\"B/lb\")\n",
+ "print '%s %.4f %s' %(\"\\n Entropy = \",sx,\"B/lb R\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "From table 2,\n",
+ "Specific volume = 2.666 cu ft/lb\n",
+ "\n",
+ " Enthalpy = 831.7 B/lb\n",
+ "\n",
+ " Entropy = 1.1512 B/lb R\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5 - Pg 158"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Calculate the enthalpy of the gas\n",
+ "#initialization of varaibles\n",
+ "x=0.97\n",
+ "P=100. #psia\n",
+ "#calculations\n",
+ "print '%s' %(\"From table 2,\")\n",
+ "hf=298.4\n",
+ "hfg=888.8\n",
+ "hx=hf+x*hfg\n",
+ "hg=1187.2\n",
+ "hx2=hg-(1-x)*hfg\n",
+ "#results\n",
+ "print '%s %d %s' %(\"\\n Enthalpy =\",hx,\"B/lb\")\n",
+ "print '%s %.1f %s' %(\"\\n Accurate Enthalpy =\",hx2,\"B/lb\")"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "From table 2,\n",
+ "\n",
+ " Enthalpy = 1160 B/lb\n",
+ "\n",
+ " Accurate Enthalpy = 1160.5 B/lb\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6 - Pg 159"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Calculate the specific volume and enthalpy of the process\n",
+ "#initialization of varaibles\n",
+ "s=1.7050 #B/lb R\n",
+ "#calculations\n",
+ "print '%s' %(\"From table 2,\")\n",
+ "sx=1.7050\n",
+ "sg=1.7549\n",
+ "sfg=1.4415\n",
+ "dx=(sg-sx)/sfg\n",
+ "hg=1150.8\n",
+ "hfg=969.7\n",
+ "hx=hg-dx*hfg\n",
+ "vg=26.29\n",
+ "vfg=26.27\n",
+ "vx=vg-dx*vfg\n",
+ "#results\n",
+ "print '%s %.2f %s' %(\"Specific volume = \",vx,\"cu ft/lb\")\n",
+ "print '%s %.1f %s' %(\"\\n Enthalpy =\",hx,\"B/lb\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "From table 2,\n",
+ "Specific volume = 25.38 cu ft/lb\n",
+ "\n",
+ " Enthalpy = 1117.2 B/lb\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7 - Pg 159"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the enthalpy required\n",
+ "#initialization of varaibles\n",
+ "P=150 #psia\n",
+ "T=400 #F\n",
+ "#calculations\n",
+ "print '%s' %(\"From table 3,\")\n",
+ "h=1219.4 #B/lb\n",
+ "#results\n",
+ "print '%s %.1f %s' %(\"Enthalpy =\",h,\"B/lb\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "From table 3,\n",
+ "Enthalpy = 1219.4 B/lb\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8 - Pg 159"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Calculate the temperature of steam\n",
+ "#initialization of varaibles\n",
+ "en=1303.7 #B/lb\n",
+ "P=300 #psia\n",
+ "#calculations\n",
+ "print '%s' %(\"Given hg is less than h, steam is superheated. T=580 F\")\n",
+ "T=580 #F\n",
+ "#results\n",
+ "print '%s %d %s' %(\"Temperature =\",T,\"F\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Given hg is less than h, steam is superheated. T=580 F\n",
+ "Temperature = 580 F\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9 - Pg 160"
+ ]
+ },
+ {
+ "cell_type": "raw",
+ "metadata": {},
+ "source": [
+ "This is a theoretical example."
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 10 - Pg 161"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Calculate the Enthalpy and Volume of the gas\n",
+ "#initialization of varaibles\n",
+ "import math\n",
+ "T=100. #F\n",
+ "P=1000. #psia\n",
+ "#calculations\n",
+ "print '%s' %(\"From table 4\")\n",
+ "dvf=-5.1*math.pow(10,-5)\n",
+ "dhf=2.7\n",
+ "vf=0.01613\n",
+ "hf=67.97\n",
+ "v=vf+dvf\n",
+ "h=hf+dhf\n",
+ "#results\n",
+ "print '%s %.2f %s' %(\"Enthalpy =\",h,\"B/lb\")\n",
+ "print '%s %.5f %s' %(\"\\n Volume = \",v,\"cu ft/lb\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "From table 4\n",
+ "Enthalpy = 70.67 B/lb\n",
+ "\n",
+ " Volume = 0.01608 cu ft/lb\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11 - Pg 164"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the Quality of steam\n",
+ "#initialization of varaibles\n",
+ "h1=1183.2 #B/lb\n",
+ "hg=1198.4 #B/lb\n",
+ "hfg=843.\n",
+ "#calculations\n",
+ "x=1- (hg-h1)/hfg\n",
+ "#results\n",
+ "print '%s %.3f' %(\"Quality =\",x)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Quality = 0.982\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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