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{
"metadata": {
"name": "",
"signature": "sha256:b68069a86d982f0fbb7f292544735818ed7473431281a6c20f1e7336e739e90b"
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 13 :\n",
"Thermal and Optical\n",
"Properties of Materials"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 13.1 Page No : 417"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\t\t\t\n",
"import math \n",
"\n",
"# Variables \n",
"alpha = 20*10**(-6);\t\t\t#linear coefficient of thermal expansion per\u00b0C\n",
"Sigma = -(172);\t\t\t#compressive stress MPa\n",
"T = 20;\t\t\t#Temprature at which rod is stress free(in \u00b0C)\n",
"\n",
"# Calculation\n",
"E = 100*10**3;\t\t\t#modulus of elasticity (in MPa)\n",
"T_f = T-(Sigma/(alpha*E));\t\t\t#maximum temperature the rod may be heated without exceeding a compressive stress of 172 MPa\n",
"\n",
"# Results\n",
"print 'maximum temperature(in \u00b0C) the rod may be heated without exceeding a compressive stress of 172 MPa = %.0f \u00b0C'%T_f\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"maximum temperature(in \u00b0C) the rod may be heated without exceeding a compressive stress of 172 MPa = 106 \u00b0C\n"
]
}
],
"prompt_number": 3
}
],
"metadata": {}
}
]
}
|
