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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 1: Fundamentals"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 1.1: Chapter_1_Example_1.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clear;\n",
"clc;\n",
"//page no.8\n",
"T = 80;//temperature of chlorine gas in degree F\n",
"p = 100;//pressure in psia\n",
"W = 2*35.45;//molecular weight of chlorine \n",
"R = 1545/W;//specific gas constant in ft-lb/lb-degreeR\n",
"gam = p*(144/R)*(1/(460+T));//specific weight of chlorine in lb/cuft\n",
"Spec_vol = 1/gam;//specific volume in cuft/lb\n",
"rho = gam/32.2;//density of chlorine in slug/cuft\n",
"printf('Spec. weight = %.3f lb/cuft\n Spec. volume = %.3f cuft/lb\n density = %.4f slug/cuft',gam,Spec_vol,rho);"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 1.2: Chapter_1_Example_2.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clear;\n",
"clc;\n",
"//page no. 12\n",
"\n",
"funcprot(0);\n",
"gamma = 1.4;\n",
"T1 = 60;//temperature of air in degree F\n",
"p1 = 14.7;//pressure in psia\n",
"k = 0.5;//(final volume/initial volume) = k\n",
"R = 53.3;//Engineering gas constant\n",
"gam1 = p1*(144/R)*(1/(460+T1));//lb/cuft\n",
"gam2 = gam1/k;//lb/cuft\n",
"p2 = (p1/(gam1^(gamma)))*(gam2^(gamma));// in psia\n",
"T2 = p2*(144/R)*(1/gam2);//in degree F\n",
"a1 = sqrt(gamma*32.2*R*(460+T1));// in fps\n",
"a2 = sqrt(gamma*32.2*R*(T2));// in fps\n",
"printf('Final pressure = %.1f psia\n Final temperature = %d degreeR \n Sonic velocity before compression = %d fps\n Sonic velocity after compression = %d fps',p2,T2,a1,a2);\n",
"\n",
"//there are small errors in the answers given in textbook"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 1.3: Chapter_1_Example_3.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clear;\n",
"clc;\n",
"//page no. 17\n",
"\n",
"r1 = 0.25;// radius of cylinder in feet\n",
"l = 2;//length of cylnider in feet\n",
"r2 = 0.30;// radius of co-axial cylinder in feet\n",
"mu = 0.018;//lb-sec/ft^2\n",
"torque = 0.25;// in ft-lb\n",
"dv_dy1 = torque/(4*%pi*mu*r1^2);//velocity gradient at radius = 0.25 in fps/ft\n",
"dv_dy2 = torque/(4*%pi*mu*r2^2);//velocity gradient at radius = 0.30 in fps/ft\n",
"V1 = integrate('-torque/(4*%pi*mu*r^2)','r',r2,r1);// velocity in fps\n",
"rpm1 = V1*60/(2*%pi*r1);\n",
"V2 = torque*(r2-r1)/(4*%pi*mu*r1^2);//in fps\n",
"rpm2 = V2*60/(2*%pi*r1);\n",
"hp = 2*%pi*r1*(rpm1/(550*60));\n",
"printf('Velocity gradient at the inner cylinder wall is %.1f fps/ft and \n at the outer cylinder wall is %.1f fps/ft',dv_dy1,dv_dy2);\n",
"printf('\n rpm = %.1f and approximate rpm = %.1f \n hp = %.5f ',rpm1,rpm2,hp);"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 1.4: Chapter_1_Example_4.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clear;\n",
"clc;\n",
"\n",
"//page no.20\n",
"\n",
"T = 70;//degreeF\n",
"del_p = 0.1;// in psi\n",
"sigma = 0.00498;// lb/ft\n",
"R = (sigma*2)/(del_p*144);//in ft\n",
"d = 12*2*R;// in inches\n",
"printf('Diameter of the droplet of water, d = %.4f in',d);"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 1.5: Chapter_1_Example_5.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clear;\n",
"clc;\n",
"\n",
"//page no. 20\n",
"\n",
"l = 12;// length of the cylinder\n",
"T = 150;//temperature of water in degreeF\n",
"p1 = 14.52;//atmospheric pressure in psia\n",
"p2 = 3.72;//the pressure on the inside of the piston in psia\n",
"F = 0.25*(p1-p2)*%pi*l^2;//Force on the piston in lb\n",
"printf('Minimum force on the piston to be applied is, F = %d lb.',F);\n",
"\n",
"//there is an error in the answer given in textbook"
]
}
],
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"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"
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"nbformat": 4,
"nbformat_minor": 0
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|
