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_17_3.ipynb | 132 ------------------------ 1 file changed, 132 deletions(-) delete mode 100755 Thermodynamics_for_Engineers/Chapter_17_3.ipynb (limited to 'Thermodynamics_for_Engineers/Chapter_17_3.ipynb') diff --git a/Thermodynamics_for_Engineers/Chapter_17_3.ipynb b/Thermodynamics_for_Engineers/Chapter_17_3.ipynb deleted file mode 100755 index 98fc5f10..00000000 --- a/Thermodynamics_for_Engineers/Chapter_17_3.ipynb +++ /dev/null @@ -1,132 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:b620865a516deeb75cd703005b53698c7a7013658cab02400acc0bf08c43a5d1" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter 17 - Internal-combustion engines" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 1 - Pg 358" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the indicated efficiency, brake thermal efficiency in both cases\n", - "#Initalization of variables\n", - "hp1=2000. #bhp\n", - "m=792. #lb/hr\n", - "ex=0.5\n", - "hp2=210.\n", - "hv=18900. #Btu/lb\n", - "etth=51.3\n", - "#calculations\n", - "ihp=hp1+hp2\n", - "ietat= ihp*2544/(m*hv) *100\n", - "betat=ietat*hp1/ihp\n", - "betat2=hp1*2544/(m*hv) *100\n", - "ietae=ietat/etth *100\n", - "betae=betat/etth *100\n", - "brake= ietae*hp1/ihp\n", - "#results\n", - "print '%s %.1f %s' %(\"Indicated efficiency =\",ietat,\"percent\")\n", - "print '%s %.1f %s' %(\"\\n Brake thermal efficiency =\",betat,\" percent\")\n", - "print '%s %.1f %s' %(\"\\n In case 2, Brake thermal efficiency =\",betat2,\"percent\")\n", - "print '%s %.1f %s' %(\"\\n Indicated thermal efficiency =\",ietae,\" percent\")\n", - "print '%s %.1f %s' %(\"\\n Brake engine efficiency =\",betae,\" percent\")\n", - "print '%s %.1f %s' %(\"\\n In case 2, Brake engine efficiency =\",brake,\"percent\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Indicated efficiency = 37.6 percent\n", - "\n", - " Brake thermal efficiency = 34.0 percent\n", - "\n", - " In case 2, Brake thermal efficiency = 34.0 percent\n", - "\n", - " Indicated thermal efficiency = 73.2 percent\n", - "\n", - " Brake engine efficiency = 66.3 percent\n", - "\n", - " In case 2, Brake engine efficiency = 66.3 percent\n" - ] - } - ], - "prompt_number": 1 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 2 - Pg 361" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#calculate the indicated mep\n", - "#Initalization of variables\n", - "J=778.\n", - "o2=12.5\n", - "theo=0.95\n", - "N=56.5\n", - "R0=1545.\n", - "T=540. #R\n", - "p=14. #psia\n", - "LHV=2368089. #Btu/lb\n", - "ther=39.4\n", - "iep=0.78\n", - "ve=0.8\n", - "#calculations\n", - "Ar=o2/0.21 *theo\n", - "vol=N*R0*T/(144*p)\n", - "hv=(LHV -17730)/LHV\n", - "ithep=iep*ther\n", - "pd=ithep/100 *ve *100.5\n", - "mep=J*pd\n", - "#results\n", - "print '%s %d %s' %(\"Indicated mep =\",mep,\"lb/sq ft\")\n", - "print '%s' %(\"The answer might differ from textbook due to rounding off error\")" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Indicated mep = 19223 lb/sq ft\n", - "The answer might differ from textbook due to rounding off error\n" - ] - } - ], - "prompt_number": 1 - } - ], - "metadata": {} - } - ] -} \ No newline at end of file -- cgit