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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 10 The pvt relationships"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Ex:10.1 Pg:360"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"For ideal gas case, Table B-6 and for vanderwaals case, Table B-8 have been used\n",
"\n",
" In vanderwaals equation, pressure = 50.0 atm\n",
"\n",
" In ideal gas case, pressure = 57.8 atm\n"
]
}
],
"source": [
"#Initialization of variables\n",
"m=1 #lbm\n",
"T1=212+460 #R\n",
"sv=0.193 #ft**3/lbm\n",
"M=44\n",
"a=924.2 #atm ft**2 /mole**2\n",
"b=0.685 #ft**3/mol\n",
"R=0.73 #atm ft**3/R mol\n",
"#calculations\n",
"v=sv*M\n",
"p=R*T1/v\n",
"p2=R*T1/(v-b) -a/v**2\n",
"#results\n",
"print \"For ideal gas case, Table B-6 and for vanderwaals case, Table B-8 have been used\"\n",
"print \"\\n In vanderwaals equation, pressure = %.1f atm\"%(p2)\n",
"print \"\\n In ideal gas case, pressure = %.1f atm\"%(p)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Ex:10.2 Pg:360"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"volume = 8.481 ft**3/mole\n"
]
}
],
"source": [
"#Initialization of variables\n",
"m=1 #lbm\n",
"p=50.9 #atm\n",
"t=212+460 #R\n",
"R=0.73\n",
"#calculations\n",
"pc=72.9 #atm\n",
"tc=87.9 +460 #R\n",
"pr=p/pc\n",
"Tr=t/tc\n",
"z=0.88\n",
"v=z*R*t/p\n",
"#results\n",
"print \"volume = %.3f ft**3/mole\"%(v)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Ex:10.3 Pg:361"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Pressure = 50.8 atm\n"
]
}
],
"source": [
"#Initialization of variables\n",
"t=212+460 #R\n",
"v=0.193 #ft**3/lbm\n",
"M=44\n",
"R=0.73\n",
"#calculations\n",
"tc=87.9+460 #F\n",
"zc=0.275\n",
"vc=1.51 #ft**3/mol\n",
"tr=t/tc\n",
"vr=v*M/vc\n",
"vrd=vr*zc\n",
"z=0.88\n",
"p=z*R*t/(M*v)\n",
"#results\n",
"print \"Pressure = %.1f atm\"%(p)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 2",
"language": "python",
"name": "python2"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 2
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
"version": "2.7.9"
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},
"nbformat": 4,
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|