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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 18: Extrusion"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 18.1: Extrusion_Process.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"//Example 18.1\n",
"//Extrusion Process\n",
"//Page No. 629\n",
"clc;clear;close;\n",
"\n",
"Db=6; //in inches\n",
"Df=2; //in inches\n",
"L=15; //in inches\n",
"v=2; //in inches/s\n",
"alpha=60; //in degrees\n",
"mu=0.1; //no unit\n",
"R=Db^2/Df^2;\n",
"e=6*v*log(R)/Db\n",
"sigma=200*e^0.15;\n",
"B=mu*cotd(alpha);\n",
"p_d=sigma*((1+B)/B)*(1-R^B);\n",
"p_d=abs(p_d);\n",
"t_i=sigma/sqrt(3);\n",
"p_e=p_d+4*t_i*L/Db;\n",
"p_e=p_e*145.0377; //conversion to psi\n",
"A=%pi*Db^2/4;\n",
"P=p_e*A;\n",
"P=P*0.000453; //conversion to metric tons\n",
"printf('\nForce required for the Operation = %g metric tons\n\n\nNote: Slight calculation errors in book',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"
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},
"nbformat": 4,
"nbformat_minor": 0
}
|
