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author | hardythe1 | 2015-06-03 15:27:17 +0530 |
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committer | hardythe1 | 2015-06-03 15:27:17 +0530 |
commit | df60071cf1d1c18822d34f943ab8f412a8946b69 (patch) | |
tree | ab059cf19bad4a1233a464ccf5d72cf8b3fb323c /Textbook_Of_Heat_Transfer/Chapter_1_Introduction_.ipynb | |
parent | fba055ce5aa0955e22bac2413c33493b10ae6532 (diff) | |
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diff --git a/Textbook_Of_Heat_Transfer/Chapter_1_Introduction_.ipynb b/Textbook_Of_Heat_Transfer/Chapter_1_Introduction_.ipynb new file mode 100755 index 00000000..2ab3d5d9 --- /dev/null +++ b/Textbook_Of_Heat_Transfer/Chapter_1_Introduction_.ipynb @@ -0,0 +1,157 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:9b1229db232c49aaabbc7f0d29465c24cc6508532c6b435aa2f1e98a362531bd"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ " Chapter 1:Introduction"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 1.1 , Page no:5"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Variable declaration\n",
+ "v=28.8*10**-6; #the viscosity of water at 100 degree Celsius in kgf s/m^2\n",
+ "g=9.81; #Acceleration due to gravity in m/s^2\n",
+ "\n",
+ "#calculations\n",
+ "v=28.8*10**-6*g; # Conversion of unit\n",
+ "\n",
+ "#result\n",
+ "print (\"The viscosity of water at 100 degree Celsius = {:.4e}\".format(v)),\"N s/m^2 (or kg/m s)\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The viscosity of water at 100 degree Celsius = 2.8253e-04 N s/m^2 (or kg/m s)\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 1.2, Page no:14"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#variable declaration\n",
+ "i=950; # radiation flux [W/m^ 2 ]\n",
+ "A=1.5; # area [m^ 2 ]\n",
+ "Ti=61; # inlet temperature\n",
+ "To=69; # outlet temperature\n",
+ "m=1.5; # mass flow rate\n",
+ "M=1.5/60; # kg/sec\n",
+ "Qconductn=50; # W\n",
+ "t=0.95; # transmissivity\n",
+ "a=0.97; # absoptivity\n",
+ "Cp=4183; # J/kg K\n",
+ "\n",
+ "#calculations\n",
+ "q=M*Cp*(To-Ti); # heat gain rate\n",
+ "n=q/(i*A); # thermal efficiency\n",
+ "n_percent=n*100; # thermal efficiency\n",
+ "Qreradiated=(i*A*t*a)-Qconductn-q; # rate at which energy is lost by re-radiation\n",
+ "\n",
+ "#result\n",
+ "print \"Useful heat gain rate is \",round(q,4),\"W\"\n",
+ "print \"Thermal efficiency is\",'%.4E'%n,\"i.e\",round(n_percent,3),\"%\"\n",
+ "print \"The rate at which energy is lost by re-radiation and convection is \", round(Qreradiated,6),\"W\"\n",
+ " \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Useful heat gain rate is 836.6 W\n",
+ "Thermal efficiency is 5.8709E-01 i.e 58.709 %\n",
+ "The rate at which energy is lost by re-radiation and convection is 426.5375 W\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 1.3, Page no:16"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#variable declaration\n",
+ "vi=10; # velocity at inlet in m/s\n",
+ "q=1000; # heat in w\n",
+ "di=0.04; # inside diameter in m\n",
+ "do=0.06; # outside diameter in m\n",
+ "den1=0.946; # density in kg/m^3 at 100 degree C\n",
+ "Cp=1009; # specific heat in J/kg k\n",
+ "den2=0.773; # specific heat at To=183.4 degree C\n",
+ "\n",
+ "#calculations\n",
+ "m=den1*(3.14/4)*(di**2)*vi; # kg/s\n",
+ "dh=q/m; # j/kg\n",
+ "To=dh/Cp+100; # Exit Temperature\n",
+ "vo=m/(den2*(3.14/4)*(do)**2); # Exit velocity \n",
+ "dKeKg=(vo**2-vi**2)/2; # Change in Kinetic Energy per kg\n",
+ "\n",
+ "#result\n",
+ "print \"Exit Temperature is\",round(To,4),\"degree C\"\n",
+ "print \"Exit velocity is \",round(vo,4),\"m/s\"\n",
+ "print \"Change in Kinetic Energy per kg =\",round(dKeKg,5),\"J/kg\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Exit Temperature is 183.4119 degree C\n",
+ "Exit velocity is 5.4391 m/s\n",
+ "Change in Kinetic Energy per kg = -35.20795 J/kg\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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