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{
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{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 02:Temperature"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Ex2.1:pg-33"
]
},
{
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{
"name": "stdout",
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"text": [
"\n",
" Example 2.1\n",
"\n",
" The straight bore thermometer reading will be 47.62 degree Celsius.\n"
]
}
],
"source": [
"import math\n",
"d = 1 # Assumption\n",
"l = 1 # Assumption\n",
"A_ACDB = (math.pi/4)*(1/3.0)*((1.05*d)**2)*10.5*l - (math.pi/4)*(1/3.0)*d**2*10*l # Area of ABCD\n",
"A_AEFB = (math.pi/4)*(1/3.0)*((1.1*d)**2)*11*l - (math.pi/4)*(1/3.0)*d**2*10*l # Area of AEFB\n",
"t = 100*(A_ACDB/A_AEFB)\n",
"print \"\\n Example 2.1\"\n",
"print \"\\n The straight bore thermometer reading will be \",round(t,2),\" degree Celsius.\"\n",
"#The answers vary due to round off error\n",
"\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Ex2.2:pg-35"
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
" Example 2.2\n",
"\n",
" Reading of thermocouple at t = 50 degree Celsius will be 58.33 degree Celsius.\n"
]
}
],
"source": [
"import math\n",
"import numpy.polynomial.polynomial\n",
"\n",
"#t = numpy.polynomial(0,'t')\n",
"def f1(t):\n",
" e=(0.2*t)-((5e-4)*t**2)\n",
" return e# e.m.f. as a function of temperature in mV\n",
"e0 = f1(0)#horner(e, 0) # e.m.f. at t = 0 degree\n",
"e100 = f1(100) # e.m.f. at t = 100 degree\n",
"e50 = f1(50) # e.m.f. at t = 50 degree\n",
"r = (100/e100)*e50 # Reading of thermocouple at t = 50degree\n",
"print \"\\n Example 2.2\"\n",
"print \"\\n Reading of thermocouple at t = 50 degree Celsius will be \",round(r,2),\" degree Celsius.\"\n",
"#The answers vary due to round off error\n",
"\n"
]
}
],
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|
