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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 10: The Pvt relationships"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 10.1: Pressure_calculations.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"\n",
"clc\n",
"clear\n",
"//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",
"disp('For ideal gas case, Table B-6 and for vanderwaals case, Table B-8 have been used')\n",
"printf('\n In vanderwaals equation, pressure = %.1f atm',p2)\n",
"printf('\n In ideal gas case, pressure = %.1f atm',p)"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 10.2: volume_calculatio.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc\n",
"clear\n",
"//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",
"printf('volume = %.3f ft^3/mole',v)"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 10.3: Pressure_calculations.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc\n",
"clear\n",
"//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",
"printf('Pressure = %.1f atm',p)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Scilab",
"language": "scilab",
"name": "scilab"
},
"language_info": {
"file_extension": ".sce",
"help_links": [
{
"text": "MetaKernel Magics",
"url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
}
],
"mimetype": "text/x-octave",
"name": "scilab",
"version": "0.7.1"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
|
