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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:9a6776975ca26711999c009e1ea80f5d9873f1eba4664269073ed9b23e69c74f"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 10 :\n",
+      "Gaseous Mixtures"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 10.1 pg : 262"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\t\t\t\n",
+      "# Variables\n",
+      "m = 2. \n",
+      "M = 28.\n",
+      "M2 = 32.\n",
+      "PN = 300. \t\t\t#psia\n",
+      "Pt = 400.\t\t\t#psia\n",
+      "\t\t\t\n",
+      "# Calculations\n",
+      "nN = m/M\n",
+      "PO = Pt-PN\n",
+      "nO = nN*PO/PN\n",
+      "mO = M2*nO\n",
+      "\t\t\t\n",
+      "# Results\n",
+      "print \"Mass of oxygen added  =  %.3f lbm\"%(mO)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Mass of oxygen added  =  0.762 lbm\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 10.2 pg : 262"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\t\t\t\n",
+      "# Variables\n",
+      "n = 0.0714\n",
+      "R = 1545.\n",
+      "T = 560. \t\t\t#R\n",
+      "P = 400. \t\t\t#psia\n",
+      "VN = n*R*T/(P*144)\n",
+      "VO = (0.0238)*R*T/(P*144)\n",
+      "V = VN+VO\n",
+      "\t\t\t\n",
+      "# Results\n",
+      "print \"Total volume  =  %.3f ft**3\"%(V)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Total volume  =  1.430 ft**3\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 10.3 pg : 265"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\t\t\t\n",
+      "# Variables\n",
+      "import math \n",
+      "m1 = 5.\n",
+      "m2 = 2.\n",
+      "cp1 = 0.248\n",
+      "cp2 = 0.203\n",
+      "T11 = 300. \t\t\t#F\n",
+      "T12 = 100. \t\t\t#F\n",
+      "P = 10. \t\t\t#psia\n",
+      "Pi = 20. \t\t\t#psia\n",
+      "Pf = 15. \t\t\t#psia\n",
+      "\t\t\t\n",
+      "# Calculations\n",
+      "T2 = (m1*cp1*T11 + m2*cp2*T12)/(m1*cp1+m2*cp2)\n",
+      "n1 = m1/28.\n",
+      "n2 = m2/44.\n",
+      "n = n1+n2\n",
+      "P1 = P*n1/n\n",
+      "P2 = P*n2/n\n",
+      "dS = m2*(cp2*math.log((T2+460)/(T12+460)) - 35.1/778 *math.log(P2/Pi)) +m2*(cp2*math.log((T2+460)/(T12+460)) - 55.2/778 *math.log(P1/Pf))\n",
+      "\t\t\t\n",
+      "# Results\n",
+      "print \"change in enthalpy  =  %.2f B/R\"%(dS)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "change in enthalpy  =  0.49 B/R\n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 10.4 pg : 268"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\t\t\t\n",
+      "# Variables\n",
+      "Pg = 2.8886 \t\t\t#psia\n",
+      "P = 25.      \t\t\t#psia\n",
+      "phi = 0.5\n",
+      "\t\t\t\n",
+      "# Calculations\n",
+      "pv = phi*Pg\n",
+      "pa = P-pv\n",
+      "w = 0.622*pv/pa\n",
+      "x = (w)/(1+w)\n",
+      "\t\t\t\n",
+      "# Results\n",
+      "print \"Mass fraction of water vapor in the mixture  =  %.4f lbm vapor/ lvm mixture\"%(x)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Mass fraction of water vapor in the mixture  =  0.0367 lbm vapor/ lvm mixture\n"
+       ]
+      }
+     ],
+     "prompt_number": 4
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 10.5 pg : 271"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\t\t\t\n",
+      "# Variables\n",
+      "pgw = 0.5069 \t\t\t#psia\n",
+      "p = 14.696   \t\t\t#psia\n",
+      "Td = 100. \t    \t\t#F\n",
+      "Tw = 80.     \t\t\t#F\n",
+      "\t\t\t\n",
+      "# Calculations\n",
+      "pv =  pgw- (p-pgw)*(Td-Tw)/(2800-Tw)\n",
+      "pg = 0.9492 \t\t\t#psia\n",
+      "phi = pv/pg\n",
+      "\t\t\t\n",
+      "# Results\n",
+      "print \"relative humidity of air stream  =  %.1f percent\"%(phi*100)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "relative humidity of air stream  =  42.4 percent\n"
+       ]
+      }
+     ],
+     "prompt_number": 5
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 10.6 pg : 279"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\t\t\t\n",
+      "# Variables\n",
+      "w1 = 0.0176 \t\t\t#lbm\n",
+      "w2 = 0.0093 \t\t\t#lbm\n",
+      "T2d = 73.   \t\t\t#F\n",
+      "T2 = 55.     \t\t\t#F\n",
+      "\t\t\t\n",
+      "# Calculations\n",
+      "hv1 = 1061+0.445*100\n",
+      "hv2 = 1061+0.445*55\n",
+      "hf = 23.06\n",
+      "q1 = 20.\n",
+      "q2 = 4.88\n",
+      "\t\t\t\n",
+      "# Results\n",
+      "print \"Heat removed in cooling section  =  %d Btu/lbm \"%(q1)\n",
+      "print \"Heat added in heating section  =  %.2f Btu/lbm \"%(q2)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Heat removed in cooling section  =  20 Btu/lbm \n",
+        "Heat added in heating section  =  4.88 Btu/lbm \n"
+       ]
+      }
+     ],
+     "prompt_number": 6
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 10.7 pg : 280"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\t\t\t\n",
+      "# Variables\n",
+      "Tdb = 115. \t\t\t#F\n",
+      "ph = 0.05\n",
+      "\n",
+      "Twb = 67. \t\t\t#F\n",
+      "\t\t\t\n",
+      "# Results\n",
+      "print (\"From steam tables, Twb = 67 F\")\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "From steam tables, Twb = 67 F\n"
+       ]
+      }
+     ],
+     "prompt_number": 7
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 10.8 pg : 280"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\t\t\t\n",
+      "# Variables\n",
+      "w1 = 206.\n",
+      "w2 = 55.\n",
+      "ma1 = 2.\n",
+      "ma2 = 3.\n",
+      "\t\t\t\n",
+      "# Calculations\n",
+      "w3 =  (ma1*w1 + ma2*w2)/(ma1+ma2)\n",
+      "Tdb3 = 82.   \t\t\t#F\n",
+      "TWb3 = 74.55 \t\t\t#F\n",
+      "phi3 = 70. \t    \t\t#percent\n",
+      "\t\t\t\n",
+      "# Results\n",
+      "print \"relative humidity  =  %d percent\"%(phi3)\n",
+      "print \" Dry bulb temperature  =  %d F\"%(Tdb3)\n",
+      "print \" Wet bulb temperature  =  %.2f F\"%(TWb3)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "relative humidity  =  70 percent\n",
+        " Dry bulb temperature  =  82 F\n",
+        " Wet bulb temperature  =  74.55 F\n"
+       ]
+      }
+     ],
+     "prompt_number": 8
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
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