From 41f1f72e9502f5c3de6ca16b303803dfcf1df594 Mon Sep 17 00:00:00 2001 From: Thomas Stephen Lee Date: Fri, 4 Sep 2015 22:04:10 +0530 Subject: add/remove/update books --- Fundamentals_Of_Thermodynamics/Chapter7.ipynb | 188 -------------------------- 1 file changed, 188 deletions(-) delete mode 100755 Fundamentals_Of_Thermodynamics/Chapter7.ipynb (limited to 'Fundamentals_Of_Thermodynamics/Chapter7.ipynb') diff --git a/Fundamentals_Of_Thermodynamics/Chapter7.ipynb b/Fundamentals_Of_Thermodynamics/Chapter7.ipynb deleted file mode 100755 index 8b49a808..00000000 --- a/Fundamentals_Of_Thermodynamics/Chapter7.ipynb +++ /dev/null @@ -1,188 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:eaab49a206212133280afcf75d94d2c8dc077f30ee178c5c537c49bf39ade08a" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter7:THE SECOND LAW OF THERMODYNAMICS" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Ex7.1:pg-241" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#example 1\n", - "#rate of fuel consumption\n", - "\n", - "W=136*0.7355 #output of automobile engine in kW\n", - "neng=0.3 #thermal efficiency of automobile engine\n", - "Qh=W/neng #energy output of fuel in kW\n", - "Q1=Qh-W #total rate of energy rejected to the ambient\n", - "qh=35000.0 #energy output of fuel in kJ/kg\n", - "m=Qh/qh #rate of fuel consumption in kg/s\n", - "print\"\\n hence,total rate of energy rejected is\",round(Q1),\"kW\" \n", - "print\"\\n and rate of fuel consumption is\",round(m,4),\"kg/s\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "\n", - " hence,total rate of energy rejected is 233.0 kW\n", - "\n", - " and rate of fuel consumption is 0.0095 kg/s\n" - ] - } - ], - "prompt_number": 12 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Ex7.2:pg-243" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#example 2\n", - "#coefficient of performance of refrigerator\n", - "\n", - "Qh=400 #heat rejected to kitchen air in W\n", - "W=150.0 #electrical input power in W\n", - "Q1=Qh-W #rate of energy taken out to cold space in W\n", - "B=Ql/W #coefficicent of performnace of refrigerator\n", - "print\"\\n hence,rate of energy taken out of the cold space is\",round(Q1),\"W\"\n", - "print\"\\n and coefficient of performance of the refrigerator is\",round(B,2)," - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "\n", - " hence,rate of energy taken out of the cold space is 250.0 W\n", - "\n", - " and coefficient of performance of the refrigerator is 1.67\n" - ] - } - ], - "prompt_number": 22 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Ex7.4:pg-260" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#example 4\n", - "#comparison of ideal carnot heat engine with actual heat engine\n", - "\n", - "Qh=1000.0 #rate of heat transfer to heat engine in kW\n", - "W=450.0 #rate of production of work in kW\n", - "Ql=Qh-W #rate of heat rejected by heat engine in kW\n", - "nthermal=W/Qh #efficiency from the definition of efficiency\n", - "Tl=300 #temperature of surroundings in K\n", - "Th=550.0 #temperature of heat source in Celsius\n", - "ncarnot=1-Tl/(Th+273.15) #efficiency if heat engine is considered to be ideal carnot heat engine\n", - "W2=ncarnot*Qh #rate of work production if heat engine is assumed to be ideal carnot heat engine in kW\n", - "Q12=Qh-W2 #rate of heat rejected by heat engine in kW if heat engine is assumed to be ideal carnot heat engine\n", - "print\"\\n hence,energy discarded to the ambient surroundings iS\",round(Q12,4),\"kw\"\n", - "print\"\\n and the engine efficiency is\",round(ncarnot,4)," - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "\n", - " hence,energy discarded to the ambient surroundings iS 364.4536 kw\n", - "\n", - " and the engine efficiency is 0.6355\n" - ] - } - ], - "prompt_number": 53 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Ex7.5:pg-261" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#example 5\n", - "#calculating required work\n", - "\n", - "Tl=24+273.15 #room temperature in Kelvins\n", - "Th=35+273.15 #atmospheric temperature in Kelvins\n", - "Ql=4 #rate of heat rejection from room\n", - "B=Tl/(Th-Tl) #coefficient of performance of air conditioner\n", - "W=Ql/B #required work in kW\n", - "print\"\\n hence,the magnitude of reqiured work is\",round(W,2),\"kw\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "\n", - " hence,the magnitude of reqiured work is 0.15 kw\n" - ] - } - ], - "prompt_number": 40 - }, - { - "cell_type": "code", - "collapsed": false, - "input": [], - "language": "python", - "metadata": {}, - "outputs": [] - } - ], - "metadata": {} - } - ] -} \ No newline at end of file -- cgit