From 47d7279a724246ef7aa0f5359cf417992ed04449 Mon Sep 17 00:00:00 2001 From: hardythe1 Date: Wed, 3 Jun 2015 15:27:17 +0530 Subject: add books --- .../Chapter_15_1.ipynb | 291 +++++++++++++++++++++ 1 file changed, 291 insertions(+) create mode 100755 Elements_of_Thermodynamics_and_heat_transfer/Chapter_15_1.ipynb (limited to 'Elements_of_Thermodynamics_and_heat_transfer/Chapter_15_1.ipynb') diff --git a/Elements_of_Thermodynamics_and_heat_transfer/Chapter_15_1.ipynb b/Elements_of_Thermodynamics_and_heat_transfer/Chapter_15_1.ipynb new file mode 100755 index 00000000..5c710163 --- /dev/null +++ b/Elements_of_Thermodynamics_and_heat_transfer/Chapter_15_1.ipynb @@ -0,0 +1,291 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:d49c3ebbe462c89b25518f64eebe9040738bf2ef82ee8e4dec85ee0229afc06b" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 15 - Vapor cycles and processes" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 1 - Pg 276" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#calculate the Thermal efficiency and Furnace efficiency\n", + "#Initialization of variables\n", + "p1=600. #psia\n", + "p2=0.2563 #psia\n", + "t1=486.21 #F\n", + "t2=60. #F\n", + "fur=0.75\n", + "#calculations\n", + "print '%s' %(\"from steam tables,\")\n", + "h1=1203.2\n", + "hf1=471.6\n", + "hfg1=731.6\n", + "h2=1088\n", + "hf2=28.06\n", + "hfg2=1059.9\n", + "s1=1.4454\n", + "sf1=0.6720\n", + "sfg1=0.7734\n", + "s2=2.0948\n", + "sf2=0.0555\n", + "sfg2=2.0393\n", + "xd=(s1-sf2)/sfg2\n", + "hd=hf2+xd*hfg2\n", + "xa=0.3023\n", + "ha=hf2+xa*hfg2\n", + "wbc=0\n", + "wda=0\n", + "wcd=h1-hd\n", + "wab=ha-hf1\n", + "W=wab+wcd+wbc+wda\n", + "Wrev=hfg1- (t2+459.7)*sfg1\n", + "etat=(t1-t2)/(t1+459.7)*100\n", + "eta=fur*etat\n", + "#results\n", + "print '%s %d %s' %(\"Thermal efficiency =\",etat,\"percent\")\n", + "print '%s %.1f %s' %(\"\\n Furnace efficiency =\",eta,\" percent\")\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "from steam tables,\n", + "Thermal efficiency = 45 percent\n", + "\n", + " Furnace efficiency = 33.8 percent\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 2 - Pg 277" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#calculate the Thermal and Overall efficiency\n", + "#Initialization of variables\n", + "dhab=-123.1\n", + "etac=0.5\n", + "ha=348.5\n", + "etaf=0.75\n", + "eta=0.85\n", + "hf=471.6\n", + "hfg=731.6\n", + "hc=1203.2\n", + "dhcd=452.7\n", + "#calculations\n", + "dwabs=dhab/etac\n", + "hbd=ha-dwabs\n", + "dwcds=dhcd*eta\n", + "dqa=hc-hbd\n", + "etat=(dwcds+dwabs)/dqa*100.\n", + "eta=etat*etaf\n", + "#results\n", + "print '%s %.1f %s' %(\"Thermal efficiency =\",etat,\" percent\")\n", + "print '%s %.1f %s' %(\"\\n Overall efficiency = \",eta,\" percent\")\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Thermal efficiency = 22.8 percent\n", + "\n", + " Overall efficiency = 17.1 percent\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 3 - Pg 277" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#calculate the Thermal and Overall efficiency\n", + "#Initialization of variables\n", + "t=60 #F\n", + "J=778.16\n", + "p1=600 #psia\n", + "p2=0.2563 #psia\n", + "etaf=0.85 \n", + "#calculations\n", + "print '%s' %(\"From steam tables,\")\n", + "vf=0.01604 #ft^3/lbm\n", + "dw=-vf*(p1-p2)*144/J\n", + "ha=28.06 #Btu/lbm\n", + "hb=29.84 #Btu/lbm\n", + "hd=1203.2 #Btu/lbm\n", + "he=750.5 #Btu/lbm\n", + "dqa=hd-hb\n", + "dqr=ha-he\n", + "dw=dqa+dqr\n", + "dwturb=hd-he\n", + "dwpump=ha-hb\n", + "etat=dw/dqa*100.\n", + "eta=etat*etaf\n", + "#results\n", + "print '%s %.1f %s' %(\"Thermal efficiency =\",etat,\" percent\")\n", + "print '%s %.1f %s' %(\"\\n Overall efficiency =\",eta,\"percent\")\n", + " \n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "From steam tables,\n", + "Thermal efficiency = 38.4 percent\n", + "\n", + " Overall efficiency = 32.7 percent\n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 4 - Pg 278" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#calculate the Thermal and Overall efficiency\n", + "#Initialization of variables\n", + "dhab=-1.78\n", + "etac=0.5\n", + "ha=28.06\n", + "eta=0.85\n", + "hf=471.6\n", + "hfg=731.6\n", + "hd=1203.2\n", + "dhcd=452.7\n", + "#calculations\n", + "dwabs=dhab/etac\n", + "hbd=ha-dwabs\n", + "dwcds=dhcd*eta\n", + "dqa=hd-hbd\n", + "etat=(dwcds+dwabs)/dqa*100.\n", + "eta=etat*eta\n", + "#results\n", + "print '%s %.1f %s' %(\"Thermal efficiency =\",etat,\"percent\")\n", + "print '%s %.1f %s' %(\"\\n Overall efficiency =\",eta,\"percent\")\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Thermal efficiency = 32.5 percent\n", + "\n", + " Overall efficiency = 27.7 percent\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5 - Pg 287" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#calculate the thermal efficiency\n", + "#Initialization of variables\n", + "p2=600 #psia\n", + "p1=44 #psia\n", + "te=486.21 #F\n", + "tb=273.1 #F\n", + "J=778.16\n", + "p3=0.25 #psia\n", + "#calculations\n", + "hc=241.9\n", + "hj=834.6\n", + "y=1-0.805\n", + "v1=0.0172\n", + "v2=0.016\n", + "ha=28.06\n", + "hd=hc+v1*(p2-p1)*144/J\n", + "hb=ha+v2*(p1-p3)*144/J\n", + "hh=1374\n", + "Qa=hh-hd\n", + "Qr=(ha-hj)*(1-y)\n", + "etat=(Qa+Qr)/Qa*100.\n", + "#results\n", + "print '%s %.1f %s' %(\"thermal efficiency =\",etat,\"percent\")\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "thermal efficiency = 42.6 percent\n" + ] + } + ], + "prompt_number": 5 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit