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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:2f3fb462cc0db08450310246022ae2504547e2c6d9d1ee2fc4b7cff1e946c1f6"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 3: Properties of Thermodynamic Media"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 3.1, page no. 43"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "#initilisation\n",
+      "P = 80                        #lb/in^2\n",
+      "x = 0.9                       #quality\n",
+      "hg = 1183.1                   #B/lbm\n",
+      "hfg = 901.1                   #B/lbm\n",
+      "\n",
+      "#calculation\n",
+      "h=hg-(1-x)*hfg\n",
+      "\n",
+      "#result\n",
+      "print \"Enthalpy of steam = \", round(h), \"B/lbm\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enthalpy of steam =  1093.0 B/lbm\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 3.2, page no. 44"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "#initilisation\n",
+      "P = 100                         #lb/in^2\n",
+      "T = 470                         #F\n",
+      "T2 = 500                        #F\n",
+      "T1 = 450                        #F\n",
+      "\n",
+      "#calculation\n",
+      "#From table 4 of appendix\n",
+      "v1 = 5.268\n",
+      "v2 = 5.589\n",
+      "v = v1+2*(v2-v1)/5.0\n",
+      "\n",
+      "#result\n",
+      "print \"Specific volume at \", T, \"F\", \"= \", round(v,3), \"ft**3/lbm\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Specific volume at  470 F =  5.396 ft**3/lbm\n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 3.3, page no. 47"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "#initilisation\n",
+      "\n",
+      "R = 1544.0                    #ft-lb/R\n",
+      "M = 44.0                      #lbm\n",
+      "\n",
+      "#calculation\n",
+      "Rdash=R/M\n",
+      "\n",
+      "#result\n",
+      "print \"Gas constant for CO2 = \", round(Rdash, 1), \"ft-lb/lbm R\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Gas constant for CO2 =  35.1 ft-lb/lbm R\n"
+       ]
+      }
+     ],
+     "prompt_number": 5
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 3.4, page no. 48"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "#initialisation\n",
+      "h = 138.7                  #enthalpy - from table 6\n",
+      "t = 580.0                  #R absolute temprature\n",
+      "p = 11520.0                #pressure\n",
+      "g = 53.3                   #gas constant\n",
+      "\n",
+      "#calculation\n",
+      "#v = RT/P\n",
+      "\n",
+      "v = (g*t)/p\n",
+      "\n",
+      "#result\n",
+      "print \"The volume for air at given conditions is \", round(v, 2), \"ft**3/lbm\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The volume for air at given conditions is  2.68 ft**3/lbm\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
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