From 92cca121f959c6616e3da431c1e2d23c4fa5e886 Mon Sep 17 00:00:00 2001
From: hardythe1
Date: Tue, 7 Apr 2015 15:58:05 +0530
Subject: added books

---
 Fundamentals_Of_Thermodynamics/Chapter7.ipynb | 188 ++++++++++++++++++++++++++
 1 file changed, 188 insertions(+)
 create 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
new file mode 100755
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--- /dev/null
+++ b/Fundamentals_Of_Thermodynamics/Chapter7.ipynb
@@ -0,0 +1,188 @@
+{
+ "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": {}
+  }
+ ]
+}
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-- 
cgit