From d36fc3b8f88cc3108ffff6151e376b619b9abb01 Mon Sep 17 00:00:00 2001 From: kinitrupti Date: Fri, 12 May 2017 18:40:35 +0530 Subject: Revised list of TBCs --- Thermodynamics_for_Engineers/Chapter_10.ipynb | 579 -------------------------- 1 file changed, 579 deletions(-) delete mode 100755 Thermodynamics_for_Engineers/Chapter_10.ipynb (limited to 'Thermodynamics_for_Engineers/Chapter_10.ipynb') diff --git a/Thermodynamics_for_Engineers/Chapter_10.ipynb b/Thermodynamics_for_Engineers/Chapter_10.ipynb deleted file mode 100755 index 6a9f7f74..00000000 --- a/Thermodynamics_for_Engineers/Chapter_10.ipynb +++ /dev/null @@ -1,579 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:cbda57f5092671910369ce2a43538fa17705152cf0ccb12e90ebe176631fb4e1" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter 10 - Vapors" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 1 - Pg 154" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the specific volume, enthalpy and entropy of the gas\n", - "#Initialization of variables\n", - "import math\n", - "p=3000. #psia\n", - "T=250. #F\n", - "#calculations\n", - "print '%s' %(\"From table 1, keenan and keynes,\")\n", - "vf=0.01700\n", - "print '%s' %(\"From table 4,\")\n", - "dvf=-18.3*math.pow(10,-5)\n", - "v=vf+dvf\n", - "print '%s' %(\"From table 1,\")\n", - "hf=218.48\n", - "print '%s' %(\"From table 4,\")\n", - "dhf=6.13\n", - "h=hf+dhf\n", - "sf=0.3675\n", - "dsf=-4.34*math.pow(10,-3)\n", - "s=sf+dsf\n", - "#results\n", - "print '%s %.5f %s' %(\"Specific volume =\",v,\" cu ft/lb\")\n", - "print '%s %.2f %s' %(\"\\n Enthalpy =\",h,\" Btu/lb\")\n", - "print '%s %.4f %s' %(\"\\n Entropy =\",s,\" Btu/lb per deg R\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "From table 1, keenan and keynes,\n", - "From table 4,\n", - "From table 1,\n", - "From table 4,\n", - "Specific volume = 0.01682 cu ft/lb\n", - "\n", - " Enthalpy = 224.61 Btu/lb\n", - "\n", - " Entropy = 0.3632 Btu/lb per deg R\n" - ] - } - ], - "prompt_number": 1 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 2 - Pg 157" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the state of the gas and moisture content\n", - "#Initialization of variables\n", - "h=1100 #Btu/lb\n", - "P=100 #psia\n", - "#calculations\n", - "print '%s' %(\"From table 2 of keenan and keynes,\")\n", - "hg=1187.2 #Btu/lb\n", - "hfg=888.8 #Btu/lb\n", - "y=-(h-hg)/hfg*100\n", - "#results\n", - "print '%s %.2f %s %.2f %s' %(\"The state is\",P,\"psia with a moisture content of\",y,\"percent\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "From table 2 of keenan and keynes,\n", - "The state is 100.00 psia with a moisture content of 9.81 percent\n" - ] - } - ], - "prompt_number": 2 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 3 - Pg 157" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the state of steam\n", - "#Initialization of variables\n", - "print '%s' %(\"From table 1 of keenan and keynes,\")\n", - "v1=0.2688\n", - "#calculations\n", - "v2=3.060\n", - "p2=200 #psia\n", - "t2=600 #F\n", - "#results\n", - "print '%s %d %s %d %s' %(\"State of steam is\",p2, \"psia and\",t2,\"F\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "From table 1 of keenan and keynes,\n", - "State of steam is 200 psia and 600 F\n" - ] - } - ], - "prompt_number": 4 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 4 - Pg 157" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the state of steam\n", - "#Initialization of variables\n", - "print '%s' %(\"From table 2 of keenan and keynes,\")\n", - "t1=439.60 #F\n", - "u1=1118.4 #Btu/lb\n", - "#calculations\n", - "p2=380 #psia\n", - "#results\n", - "print '%s %d %s %.2f %s' %(\"The state of steam is saturated at\",p2,\"psia and\",t1,\"F\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "From table 2 of keenan and keynes,\n", - "The state of steam is saturated at 380 psia and 439.60 F\n" - ] - } - ], - "prompt_number": 5 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5 - Pg 157" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calcualte the state of steam and moisture content\n", - "#Initialization of variables\n", - "print '%s' %(\"From table 2 of keenan and keynes,\")\n", - "p1=1 #in of Hg\n", - "s=1.9812 \n", - "#calculations\n", - "sf=2.0387\n", - "sfg=1.9473\n", - "y=-(s-sf)/sfg*100\n", - "#results\n", - "print '%s %d %s %.2f %s' %(\"The state is\",p1, \"in of Hg with a moisture content of\",y, \"percent\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "From table 2 of keenan and keynes,\n", - "The state is 1 in of Hg with a moisture content of 2.95 percent\n" - ] - } - ], - "prompt_number": 6 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 6 - Pg 161" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the final state of steam and temperature. Also calculate the final enthalpy\n", - "#Initialization of variables\n", - "print '%s' %(\"From table 1 of keenan and keynes,\")\n", - "h1=1204.8 #Btu/lb\n", - "q=174. #Btu/lb\n", - "#calculations\n", - "h2=h1+q\n", - "p2=30. #psia\n", - "t2=720. #F\n", - "#results\n", - "print '%s %d %s %d %s' %(\"Final state of steam is\",p2,\"psia and\",t2,\" F\")\n", - "print '%s %.1f %s' %(\"\\n Final enthalpy is\",h2,\"Btu/lb\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "From table 1 of keenan and keynes,\n", - "Final state of steam is 30 psia and 720 F\n", - "\n", - " Final enthalpy is 1378.8 Btu/lb\n" - ] - } - ], - "prompt_number": 8 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 7 - Pg 161" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the final specific volume and final state of steam\n", - "#Initialization of variables\n", - "print '%s' %(\"From table 1 of keenan and keynes,\")\n", - "p=70 #psia\n", - "x=0.1\n", - "p2=198 #psia\n", - "#calculations\n", - "v1=6.206\n", - "v2=0.017\n", - "vx=v1-x*(v1-v2)\n", - "t2=1400 #F\n", - "#results\n", - "print '%s %.3f %s' %(\"Final specific volume =\",vx,\"cu ft\")\n", - "print '%s %d %s %d %s' %(\"\\n Final state is\",p2,\"psia and\",t2,\"F\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "From table 1 of keenan and keynes,\n", - "Final specific volume = 5.587 cu ft\n", - "\n", - " Final state is 198 psia and 1400 F\n" - ] - } - ], - "prompt_number": 9 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 8 - Pg 162" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the final state of steam\n", - "#Initialization of variables\n", - "print '%s' %(\"From table 1 of keenan and keynes,\")\n", - "p=400 #psia\n", - "t1=700 #F\n", - "p2=85 #psia\n", - "#calculations\n", - "s2=1.6398 #units/lb\n", - "t2=350 #F\n", - "#results\n", - "print '%s %d %s %d %s' %(\"Final state of steam is\",p2,\"psia and\",t2,\"F\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "From table 1 of keenan and keynes,\n", - "Final state of steam is 85 psia and 350 F\n" - ] - } - ], - "prompt_number": 10 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 9 - Pg 162" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the work of compression and heat removed\n", - "#Initialization of variables\n", - "import math\n", - "p1=20. #psia\n", - "p2=140. #psia\n", - "J=778.\n", - "t2=150. #F\n", - "t1=30. #F\n", - "#calculations\n", - "print '%s' %(\"From Table A-3,\")\n", - "v1=2.0884 #cu ft/lb\n", - "v2=0.33350 #cu ft/lb\n", - "h2=95.709\n", - "h1=81.842\n", - "n=math.log(p2/p1) /math.log(v1/v2)\n", - "W=(p2*v2-p1*v1)*144/(1-n)\n", - "du=h2-h1 + (p1*v1-p2*v2)*144/J\n", - "Q=du+W/J\n", - "s2=0.17718\n", - "s1=0.18126\n", - "Q2=((t2+t1)/2 +460) *(s2-s1)\n", - "#results\n", - "print '%s %d %s' %(\"Work of compression =\",W,\"ft-lb\")\n", - "print '%s %.3f %s' %(\"\\n Heat removed per pound of refrigerant =\",Q,\" Btu/lb\")\n", - "print '%s %.4f %s' %(\"\\n Heat removed in case 2 =\",Q2,\" Btu\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "From Table A-3,\n", - "Work of compression = -11671 ft-lb\n", - "\n", - " Heat removed per pound of refrigerant = -2.046 Btu/lb\n", - "\n", - " Heat removed in case 2 = -2.2440 Btu\n" - ] - } - ], - "prompt_number": 11 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 10 - Pg 163" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the specific enthalpy of exhaust steam\n", - "#Initialization of variables\n", - "print '%s' %(\"From table 1 of keenan and keynes,\")\n", - "intt=440000 #lb/hr\n", - "out=255000 #lb/hr\n", - "p1=400 #psia\n", - "t1=700 #F\n", - "p2=35 #psia\n", - "t2=290 #F\n", - "vel=500 #ft/s\n", - "hp=44000 #hp\n", - "ent=1362.7 #Btu/lb\n", - "#calculations\n", - "ein=ent*intt\n", - "eout=hp*2544 + out*1183 + 925000.\n", - "h2= (ein-eout)/185000.\n", - "#results\n", - "print '%s %d %s' %(\"Specific enthalpy of exhaust steam =\",h2,\"Btu/lb\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "From table 1 of keenan and keynes,\n", - "Specific enthalpy of exhaust steam = 1000 Btu/lb\n" - ] - } - ], - "prompt_number": 12 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 11 - Pg 165" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calcualte the final state of steam and loss of available energy\n", - "#Initialization of variables\n", - "print '%s' %(\"From table 1 of keenan and keynes,\")\n", - "h1=1351.1 #Btu/lb\n", - "p1=600. #psia\n", - "t1=700. #F\n", - "p2=234. #psia\n", - "h2=1.6865\n", - "h1=1.5875\n", - "t3=101.74\n", - "#calculations\n", - "t2=660. #F\n", - "loss= (h2-h1)*(t3+459.69)\n", - "#results\n", - "print '%s %d %s %d %s' %(\"Final state of steam is\",p2,\" psia and\",t2,\"F\")\n", - "print '%s %.1f %s' %(\"\\n Loss of available energy =\",loss,\"Btu/lb\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "From table 1 of keenan and keynes,\n", - "Final state of steam is 234 psia and 660 F\n", - "\n", - " Loss of available energy = 55.6 Btu/lb\n" - ] - } - ], - "prompt_number": 13 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 12 - Pg 165" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the state of vapor and also the quality\n", - "#Initialization of variables\n", - "print '%s' %(\"From table 2 of keenan and keynes,\")\n", - "p1=98.87 #psia\n", - "p2=31.78 #psia\n", - "t1=80 #F\n", - "h2=26.365 #btu/lb\n", - "h1=11.554 #btu/lb\n", - "hfg=67.203 #btu/lb\n", - "#calculations\n", - "x=(h2-h1)/hfg*100\n", - "#results\n", - "print '%s %.2f %s %.2f %s' %(\"The state of vapor leaving is\",p2, \"psia with a quality of\",x, \" percent\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "From table 2 of keenan and keynes,\n", - "The state of vapor leaving is 31.78 psia with a quality of 22.04 percent\n" - ] - } - ], - "prompt_number": 14 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 13 - Pg 167" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the mean state in the line and also the moisture content\n", - "#Initialization of variables\n", - "ps=216 #psig\n", - "pb=29.12 #in of Hg\n", - "p2=0.4 #in\n", - "t2=244 #F\n", - "#calculations\n", - "pa=0.491*pb\n", - "pabs=pa + p2*0.491\n", - "plb=pa+ ps\n", - "hcal=1166.5 #Btu/lb\n", - "h2=1200.1 #Btu/lb\n", - "h3=831.9 #Btu/lb\n", - "y=-(hcal-h2)/h3*100\n", - "#results\n", - "print '%s %.1f %s %.2f %s' %(\"Mean state in the line is\",plb,\" psia with a moisture content of\",y,\"percent\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Mean state in the line is 230.3 psia with a moisture content of 4.04 percent\n" - ] - } - ], - "prompt_number": 15 - } - ], - "metadata": {} - } - ] -} \ No newline at end of file -- cgit