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diff --git a/Principles_of_Physics_by_F.J.Bueche/chapter12.ipynb b/Principles_of_Physics_by_F.J.Bueche/chapter12.ipynb new file mode 100644 index 00000000..deed5b2f --- /dev/null +++ b/Principles_of_Physics_by_F.J.Bueche/chapter12.ipynb @@ -0,0 +1,245 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 12:Thermodynamics" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex12.1:pg-413" + ] + }, + { + "cell_type": "code", + "execution_count": 1, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The work done by the gas is= -220.0 J\n" + ] + } + ], + "source": [ + " #Example 12_1\n", + " \n", + " \n", + " #To find the work done by the gas\n", + "d1=800 #Units in meter**3\n", + "d2=500 #Units in meter**3\n", + "p1=5*10**5 #Units in Pa\n", + "w1=p1*(d1-d2)*10**-6 #Units in J\n", + "p2=2*10**5 #Units in Pa\n", + "d3=200*10**-6 #Units in meter**3\n", + "p3=3*10**5 #Units in Pa\n", + "w2=(p2*d3)+(0.5*p3*d3) #Units in J\n", + "print \"The work done by the gas is=\",round(-(w1+w2)),\" J\"\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex12.2:pg-415" + ] + }, + { + "cell_type": "code", + "execution_count": 2, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The estimated Cv value of nitric acid is Cv= 693.0 J/Kg K\n" + ] + } + ], + "source": [ + " #Example 12_2\n", + " \n", + " \n", + " #To estimate the Cv of nitric acid\n", + "r=8314 #Units in J/Kmol K\n", + "m=30 #Units in Kg/Kmol\n", + "Cv=2.5*(r/m) #Units in J/Kg K\n", + "print \"The estimated Cv value of nitric acid is Cv=\",round(Cv),\" J/Kg K\"\n", + " #in textbook the answer is printed wrong as Cv=690 J/Kg K correct answer is 692 J/Kg K\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex12.3:pg-415" + ] + }, + { + "cell_type": "code", + "execution_count": 4, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The final temperature is T2= 886.0 K\n" + ] + } + ], + "source": [ + " #Example 12_3\n", + " \n", + "import math \n", + " #To find the final temperature\n", + "t1=27 #units in Centigrade\n", + "t1=t1+273 #Units in K\n", + "gama=1.4 #Units in Constant\n", + "p1=1 #units in Pa\n", + "v1_v2=15 #Units of in ratio\n", + "logT2=math.log10(t1)-((gama-1)*(math.log10(p1)-math.log10(v1_v2)))\n", + "T2=10**logT2 #Uniys in K\n", + "print \"The final temperature is T2=\",round(T2),\" K\"\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex12.4:pg-417## " + ] + }, + { + "cell_type": "code", + "execution_count": 7, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "This type of process is termed as throttling process and described by the equation Delta U=- Delta W\n", + "\n", + "Where Delta W is the work done\n" + ] + } + ], + "source": [ + " #Example 12_4\n", + " \n", + " \n", + " #To describe the Temperature changes of the gas\n", + "print \"This type of process is termed as throttling process and described by the equation Delta U=- Delta W\\n\"\n", + "print \"Where Delta W is the work done\"\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex12.5:pg-418## " + ] + }, + { + "cell_type": "code", + "execution_count": 8, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The entropy is Delta S= 24.5 J/K\n" + ] + } + ], + "source": [ + " #Example 12_5\n", + " \n", + " \n", + " #To findout by how much the entropy of the system changes\n", + "m=20 #Units in gm\n", + "alpha=80 #Units in cal/gm\n", + "t=4.184 #Units in J/Cal\n", + "Q=m*alpha*t #Units in J\n", + "T=273 #Units in K\n", + "S=Q/T #Units in J/K\n", + "print \"The entropy is Delta S=\",round(S,1),\" J/K\"\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex12.6:pg-419## " + ] + }, + { + "cell_type": "code", + "execution_count": 9, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The amount of Electricity is required is Delta W= 11666.0 J\n" + ] + } + ], + "source": [ + " #Example 12_6\n", + " \n", + " \n", + " #To findout how much electricity is needed\n", + "Tc=278 #Units in K\n", + "Th=293 #Units in K\n", + "COP=Tc/(Th-Tc) #Units in ratio\n", + "Qc=210000 #Units in J\n", + "W=Qc/COP #Units in J\n", + "print \"The amount of Electricity is required is Delta W=\",round(W),\" J\"\n" + ] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python 2", + "language": "python", + "name": "python2" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 2 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython2", + "version": "2.7.11" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} |