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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:8c130f65381c568b421044f85ca49022c02733507c1f974f96d3542659c93a58"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 1 : Introduction"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 1.1 pg : 22"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\t\t\t\n",
+      "# Variables\n",
+      "import math \n",
+      "d = 8. \t\t\t#in\n",
+      "ir = 16. \t\t\t#in\n",
+      "MW = 28.97\n",
+      "T = 70.+460 \t\t\t#R\n",
+      "P = 30+14.7 \t\t\t#psia\n",
+      "\t\t\t\n",
+      "# Calculations\n",
+      "V = math.pi**2 *d**2 *(d+ir)/4\n",
+      "V = V*10./12**3\n",
+      "Rair = 1545/MW\n",
+      "m = P*144*V/(Rair*T)\n",
+      "\t\t\t\n",
+      "# Results\n",
+      "print \"Mass of air  =  %.2f lbm\"%(m)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Mass of air  =  4.99 lbm\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 1.2 pg : 22"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\t\t\t\n",
+      "# Variables\n",
+      "V = 4. \t\t\t#in**3\n",
+      "P = 30. \t\t\t#psia\n",
+      "T = 500.\t\t\t#R\n",
+      "MW = 32.\n",
+      "\t\t\t\n",
+      "# Calculations\n",
+      "print (\"Metric unit conversion,\")\n",
+      "V = V*2.54**3 *10**-3\n",
+      "P = 30*4.448/(2.54**2 *10**-4)\n",
+      "T = 5*(T-32)/9 +273\n",
+      "n = P*V/(8314.5*T)\n",
+      "eta = n*1000\n",
+      "N = eta*6.025*10**23\n",
+      "m = eta*MW\n",
+      "\t\t\t\n",
+      "# Results\n",
+      "print \"No. of molecules of oxygen  =  %.3e molecules\"%(N)\n",
+      "print \" Mass of molecules  =  %.1f g\"%(m)\n",
+      "\n",
+      "#The answer in the textbook is a bit different due to rounding off error\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Metric unit conversion,\n",
+        "No. of molecules of oxygen  =  1.843e+24 molecules\n",
+        " Mass of molecules  =  97.9 g\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 1.3 pg : 26"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\t\t\t\n",
+      "# Variables\n",
+      "import math \n",
+      "P = 14.7 \t\t\t#psia\n",
+      "T = 70.+460 \t\t\t#R\n",
+      "M = 32.\n",
+      "\t\t\t\n",
+      "# Calculations\n",
+      "Ro = 1545/M\n",
+      "V2 = 3*Ro*T\n",
+      "V2 = V2*32.174\n",
+      "vrms = math.sqrt(V2)\n",
+      "\t\t\t\n",
+      "# Results\n",
+      "print \"rms velocity  =  %d ft/sec\"%(vrms)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "rms velocity  =  1571 ft/sec\n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
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