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{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 5 : Equations of state"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.1 pageno : 167"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variables\n",
"t = 304;\t\t\t#temperature of the gas in k\n",
"p = 73;\t\t\t#pressure of the gas in atm\n",
"r = 0.00366;\t\t\t#universal gas constant in j/K/mole\n",
"\t\t\t#ct = 8a/27br;cp = a/27b**2\n",
"\n",
"# Calculations\n",
"b = (t*r/(8*p));\n",
"a = p*27*b**2;\n",
"\n",
"# Result\n",
"print 'the value of the constant b is %.5f \\\n",
"\\nthe value of the constant a is %3.5f'%(b,a)\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"the value of the constant b is 0.00191 \n",
"the value of the constant a is 0.00715\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.4 pageno : 169"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variables\n",
"tc = 132;\t\t\t#critical temperature in K\n",
"pc = 37.2;\t\t\t#critical pressure in atm\n",
"r = 82.07;\t\t\t#universal gas constant in cm**3atm/mole/K\n",
"\n",
"# Calculations\n",
"a = 27*(r**2)*(tc**2)/(64*pc);\t\t\t#value of a in atm/cm**6/mol**2\n",
"b = r*tc/(8*pc);\t\t\t#value of b in cm**3/mol\n",
"\n",
"# Result\n",
"print 'the value of is %.2e atm/cm**6/mol**2 \\\n",
"\\nthe value of b is %3.2f cm**3/mol'%(a,b)\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"the value of is 1.33e+06 atm/cm**6/mol**2 \n",
"the value of b is 36.40 cm**3/mol\n"
]
}
],
"prompt_number": 5
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.5 pageno : 169"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variables\n",
"p = 2.26*1.013*10**5;\t\t\t#critical pressure in N/m**2\n",
"v = 4./69;\t\t\t#critical volume in m**3/kmol\n",
"r = 8.31*10**3;\t\t\t#universal gas consmath.tant in J/kmol.K\n",
"\n",
"# Calculations\n",
"t = (8*p*v/(3*r));\t\t\t#critical temperature in K\n",
"\n",
"# Result\n",
"print 'critical temperature of the given problem is %3.2f K'%(t)\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"critical temperature of the given problem is 4.26 K\n"
]
}
],
"prompt_number": 6
}
],
"metadata": {}
}
]
}
|
