From 6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d Mon Sep 17 00:00:00 2001 From: kinitrupti Date: Fri, 12 May 2017 18:53:46 +0530 Subject: Removed duplicates --- .../Chapter9-.ipynb | 273 --------------------- 1 file changed, 273 deletions(-) delete mode 100755 backup/mechanics_of_fluid_version_backup/Chapter9-.ipynb (limited to 'backup/mechanics_of_fluid_version_backup/Chapter9-.ipynb') diff --git a/backup/mechanics_of_fluid_version_backup/Chapter9-.ipynb b/backup/mechanics_of_fluid_version_backup/Chapter9-.ipynb deleted file mode 100755 index d3acb158..00000000 --- a/backup/mechanics_of_fluid_version_backup/Chapter9-.ipynb +++ /dev/null @@ -1,273 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:3a2694f8f0eab29c82f8ee266172c1c857b71aa63b1096f76897d1574494f3bb" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter9-The Flow of an Inviscid Fluid" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Ex2-pg380" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "#calculate Mass flow rate\n", - "import scipy\n", - "from scipy import integrate\n", - "## p_a-p_b=-1/2*rho*C^2*(1/R_A^2-1/R_B^2)\n", - "\n", - "rho_w=1000.; ## kg/m^3\n", - "g=9.81; ## m/s^2\n", - "h=0.0115; ## m\n", - "rho=1.22; ## kg/m^3\n", - "R_A=0.4; ## m\n", - "R_B=0.2; ## m\n", - "\n", - "C=math.sqrt(rho_w*g*h*2./(rho*(1./R_B**2-1./R_A**2)));\n", - "\n", - "def function(R):\n", - "\ty=1./R;\n", - "\treturn y;\n", - "\n", - "new=scipy.integrate.quad(function, R_B, R_A);\n", - "m=rho*C*R_B*new[0]\n", - "print\"%s %.4f %s\"%(\"Mass flow rate =\",m,\"kg/s\")\n", - "\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Mass flow rate = 0.5312 kg/s\n" - ] - } - ], - "prompt_number": 1 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Ex3-pg382" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "#The maximum speed at which the paddles may rotate about their vertical axis\n", - "## p=1/2*rho*w^2*R^2 + C\n", - "\n", - "\n", - "## At z=0\n", - "rho=900.; ## kg/m^3\n", - "g=9.81; ## m/s^2\n", - "h=0.6; ## m\n", - "\n", - "C=rho*g*h;\n", - "\n", - "## p = -rho*K^2/(2*R^2)+D\n", - "## From this we get, D = 9*w^2 + C\n", - "\n", - "## At z = 0\n", - "## p = D - rho*K^2/2/R^2;\n", - "p_max=150000.; ## Pa\n", - "\n", - "## From the above equation we obtain,\n", - "w=135.6; ## rad/s\n", - "\n", - "print'%s %.1f %s'%(\"The maximum speed at which the paddles may rotate about their vertical axis =\",w,\"rad/s\")\n", - "\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "The maximum speed at which the paddles may rotate about their vertical axis = 135.6 rad/s\n" - ] - } - ], - "prompt_number": 2 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Ex4-pg386" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "#calculate the strength of the line source and the distance s the line source is located behind the leading edge of the step and Horizontal component andVertical Component \n", - "U=40; ## m/s\n", - "h=0.01; ## m\n", - "\n", - "m=2*U*h;\n", - "print'%s %.1f %s'%(\"the strength of the line source =\",m,\"m^2/s\")\n", - "\n", - "\n", - "s = m/(2*math.pi*U);\n", - "print'%s %.2f %s'%(\" the distance s the line source is located behind the leading edge of the step =\",s*1000,\"mm\")\n", - "\n", - "\n", - "\n", - "x=0; ## m\n", - "y=0.005; ## m\n", - "\n", - "u=U + m/(2*math.pi)*(x/(x**2+y**2));\n", - "v=m/(2*math.pi)*(y/(x**2+y**2));\n", - "print'%s %.f %s'%(\"Horizontal component =\",u,\"m/s\")\n", - "\n", - "\n", - "print'%s %.1f %s'%(\"Vertical Component =\",v,\"m/s\")\n", - "\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "the strength of the line source = 0.8 m^2/s\n", - " the distance s the line source is located behind the leading edge of the step = 3.18 mm\n", - "Horizontal component = 40 m/s\n", - "Vertical Component = 25.5 m/s\n" - ] - } - ], - "prompt_number": 3 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Ex5-pg389" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "#calculate length\n", - "b=0.0375; ## m\n", - "t=0.0625; ## m\n", - "U=5.; ## m/s\n", - "\n", - "m=2*math.pi*U*t/math.atan(2*b*t/(t**2-b**2));\n", - "\n", - "L=2.*b*(1+m/(math.pi*U*b))**(1/2.);\n", - "\n", - "print'%s %.7f %s'%(\"L =\",L,\"m\")\n", - "\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "L = 0.1515673 m\n" - ] - } - ], - "prompt_number": 4 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Ex7-pg409" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "#calculate Lift coefficient and Drag coefficient and Effective angle of attack\n", - "l1=10.; ## m\n", - "r1=2.; ## m\n", - "C_D1=0.0588;\n", - "theta1=6.5; ## degrees\n", - "\n", - "AR1=l1/r1; ## Aspect ratio\n", - "\n", - "C_L=0.914;\n", - "\n", - "C_D2=C_L**2./(math.pi*AR1);\n", - "theta2=math.atan(C_L/(math.pi*AR1))*57.3\n", - "\n", - "C_D3=C_D1-C_D2;\n", - "theta3=theta1-theta2;\n", - "\n", - "AR2=8.;\n", - "\n", - "C_Di=C_L**2./(math.pi*AR2);\n", - "C_D=C_Di+C_D3;\n", - "\n", - "theta4=math.atan(C_L/(math.pi*AR2))*57.3;\n", - "theta=theta4+theta3;\n", - "\n", - "print'%s %.3f %s'%(\"Lift coefficient =\",C_L,\"\")\n", - "\n", - "\n", - "print'%s %.4f %s'%(\"Drag coefficient =\",C_D,\"\")\n", - "\n", - "\n", - "print'%s %.3f %s'%(\"Effective angle of attack =\",theta,\"degrees\")\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Lift coefficient = 0.914 \n", - "Drag coefficient = 0.0389 \n", - "Effective angle of attack = 5.253 degrees\n" - ] - } - ], - "prompt_number": 5 - } - ], - "metadata": {} - } - ] -} \ No newline at end of file -- cgit