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  {

   "cells": [

    {

     "cell_type": "heading",

     "level": 1,

     "metadata": {},

     "source": [

      "Chapter12:Emerging Technologies"

     ]

    },

    {

     "cell_type": "heading",

     "level": 2,

     "metadata": {},

     "source": [

      "Ex12.1:pg-375"

     ]

    },

    {

     "cell_type": "code",

     "collapsed": false,

     "input": [

      "import math\n",

      "# given data\n",

      "delG=-39.59 # kJ/mol\n",

      "delH=-56.83 # change in enthalpy in kJ/mol\n",

      "mdotmethanol=32.0 # in g/s\n",

      "mdotoxygen=48.0 # in g/s\n",

      "\n",

      "Wmax=166.3 # -delG in kJ\n",

      "\n",

      "flowmethanol=mdotmethanol*100*3600/(Wmax*1000) # in kg/h\n",

      "flowoxygen=mdotoxygen*100*3600/(Wmax*1000) # in kg/h\n",

      "print \"The required flow rate of methanol is \",round(flowmethanol,2),\"kg/h\"\n",

      "print \"The required flow rate of oxygen is \",round(flowoxygen,2),\"kg/h\"\n",

      "delQ=delH-delG # using eq 12.7 \n",

      "\n",

      "fuelrate=-delQ*19.24/mdotmethanol # in kcal/s\n",

      "\n",

      "print \"The required heat removal rate is \",round(fuelrate,3),\"kcal/s\"\n",

      "\n",

      "# The answer is wrong in textbook because of incorrect conversion from g/s to kg/h"

     ],

     "language": "python",

     "metadata": {},

     "outputs": [

      {

       "output_type": "stream",

       "stream": "stdout",

       "text": [

        "The required flow rate of methanol is  69.27 kg/h\n",

        "The required flow rate of oxygen is  103.91 kg/h\n",

        "The required heat removal rate is  10.366 kcal/s\n"

       ]

      }

     ],

     "prompt_number": 1

    }

   ],

   "metadata": {}

  }

 ]

}