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{
"metadata": {
"name": "",
"signature": "sha256:b3d39c917cf6a960ba7edac2c3153505a96c95d76c51386c4b445bdbf3a8a712"
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 2 : Temperature"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 2.1 Page No : 35"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math \n",
"\n",
"# Variables\n",
"d = 1\n",
"l = 1; \t\t\t# Assuming\n",
"\n",
"# Calculation\n",
"A_ACDB = (math.pi/4)*(1./3)*((1.05*d)**2)*10.5*l - (math.pi/4)*(1./3)*d**2*10*l ; \t\t\t# Area of ABCD\n",
"A_AEFB = (math.pi/4)*(1./3)*((1.1*d)**2)*11*l - (math.pi/4)*(1./3)*d**2*10*l;\n",
"t = 100*(A_ACDB/A_AEFB);\n",
"\n",
"# Results\n",
"print \"The straight bore thermometer reading would e %.1f degree Celcius\"%t\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The straight bore thermometer reading would e 47.6 degree Celcius\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 2.2 Page No : 37"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"from hornerc import horner\n",
"\n",
"# Calculation\n",
"#e0 = horner(e, 0.); \t\t\t# e.m.f. at t = 0 degree\n",
"e100 = horner([0,0.2,-5e-04], 100.); \t\t\t# e.m.f. at t = 100 degree\n",
"e50 = horner([0,0.2,-5e-04],50); \t\t\t# e.m.f. at t = 50 degreer\n",
"r = (100./e100)*e50; \t\t\t# Reading of thermocouple at t = 50degree\n",
"\n",
"# Results\n",
"print \"Reading of thermocouple at t = 50 degree is %.2f degree Celcius \"%r\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Reading of thermocouple at t = 50 degree is 58.33 degree Celcius \n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 2.3 Page No : 37"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variables\n",
"R0 = 2.8; \t\t\t# Resistence at t=0 degree in ohm\n",
"R100 = 3.8; \t\t\t# Resistence at t = 100 degree in ohm\n",
"\n",
"# Calculation\n",
"a = (R100/R0 - 1)*0.01; \t\t\t# alpha\n",
"R = 5.8; \t\t\t# Indicated ressistace in ohm\n",
"t = (R/R0 - 1)/a; \t\t\t# Temperature in degree\n",
"\n",
"# Results\n",
"print \"The temperature when indicated resismath.tance is 5.8 ohm is \",t,\"degree\"\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The temperature when indicated resismath.tance is 5.8 ohm is 300.0 degree\n"
]
}
],
"prompt_number": 3
}
],
"metadata": {}
}
]
}
|
