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Diffstat (limited to 'Engineering_Physics_by_V_Rajendran/Chapter2.ipynb')
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diff --git a/Engineering_Physics_by_V_Rajendran/Chapter2.ipynb b/Engineering_Physics_by_V_Rajendran/Chapter2.ipynb new file mode 100755 index 00000000..417da87c --- /dev/null +++ b/Engineering_Physics_by_V_Rajendran/Chapter2.ipynb @@ -0,0 +1,153 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:ba867fe9fbc8067f0691ccade40c2ad894318b7fde36802aa91fc404852bb7c8"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "2: Viscosity"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example number 2.1, Page number 11"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "eta=8.9*10**-4; #coefficient of viscosity of water(Ns/m**2)\n",
+ "a=0.054*10**-2; #radius of capillary tube(m)\n",
+ "l=56*10**-2; #length of capillary tube(m)\n",
+ "h=34*10**-4; #height of pressure head(m)\n",
+ "t=5*60; #time of flow(s)\n",
+ "g=9.8;\n",
+ "rho=10**3; #density of water(kg/m**3)\n",
+ "\n",
+ "#Calculation\n",
+ "V=math.pi*h*g*rho*(a**4)/(8*eta*l); #volume of water in 1 sec(m**3)\n",
+ "V5=V*t; #volme of water flowing in 5 minutes(m**3)\n",
+ "m=V5*rho; #mass of water flowing in 5 minutes(kg)\n",
+ "\n",
+ "#Result\n",
+ "print \"mass of water flowing in 5 minutes is\",round(m*10**3,4),\"g\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "mass of water flowing in 5 minutes is 0.6697 g\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example number 2.2, Page number 12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "t1=6; #time taken by water(s)\n",
+ "t2=3.6; #time taken by alcohol(s)\n",
+ "rho1=10**3; #density of water(kg/m**3)\n",
+ "rho2=800; #density of alcohol(kg/m**3)\n",
+ "eta1=8.9*10**-4; #viscosity of water(Ns/m**2)\n",
+ "\n",
+ "#Calculation\n",
+ "eta2=t2*rho2*eta1/(t1*rho1); #viscosity of alcohol(Ns/m**2)\n",
+ "\n",
+ "#Result\n",
+ "print \"viscosity of alcohol is\",eta2*10**4,\"*10**-4 Ns/m**2\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "viscosity of alcohol is 4.272 *10**-4 Ns/m**2\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example number 2.3, Page number 12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "sigma=1.26*10**-3; #density of medium(kg/m**3)\n",
+ "eta=2*10**-5; #viscosity of medium(Ns/m**2)\n",
+ "r=0.2*10**-2; #radius of body(m)\n",
+ "rho=8*10**-3; #density of body(kg/m**3)\n",
+ "g=9.8;\n",
+ "\n",
+ "#Calculation\n",
+ "v=2*(r**2)*(rho-sigma)*g/(9*eta); #terminal velocity(m/s)\n",
+ "\n",
+ "#Result\n",
+ "print \"terminal velocity is\",round(v*10**3,4),\"*10**-3 m/s\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "terminal velocity is 2.9356 *10**-3 m/s\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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