{ "metadata": { "name": "", "signature": "sha256:cf784c378e9383adb15dcad9ef6ad8b764187d7f185393fb16ff16d5b2a1ed70" }, "nbformat": 3, "nbformat_minor": 0, "worksheets": [ { "cells": [ { "cell_type": "heading", "level": 1, "metadata": {}, "source": [ "Chapter 9 : Analysis of Two-Dimensional, Constant-Density, Turbulent Flow" ] }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 9.1 Page No : 324" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import math \n", "\t\n", "#initialisation of variables\n", "n=7.\n", "w= 62.4 \t#lbf/ft**3 density\n", "v= 6. \t#ft/sec velocity\n", "d= 2. \t #in pipe diameter\n", "u= 2.34*10**-5 \t#lbf/ft**3 viscosity\n", "f= 0.0178\n", "g= 32.2 \t#ft/sec**2\n", "R= 1.224\n", "R1= 8. \t#ft/sec\n", "\t\n", "#CALCULATIONS\n", "r= (n+1)*(2*n+1)/(2*n**2)\n", "Red= w*v*(d/12)/(u*g)\n", "C= (d/Red)**(1./7)*R*(R1/f)**(4./7)\n", "V = v*math.sqrt(f/8)\n", "\t\n", "#RESULTS\n", "print ' Vmax/V = %.3f'%(r)\n", "print ' Red = %.2e'%(Red)\n", "print ' C = %.2f'%(C)\n", "print ' Velocity = %.3f ft/sec'%(V)\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ " Vmax/V = 1.224\n", " Red = 8.28e+04\n", " C = 8.79\n", " Velocity = 0.283 ft/sec\n" ] } ], "prompt_number": 1 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 9.3 Page No : 332" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\t\n", "#initialisation of variables\n", "Re= 5.\n", "g= 32.2 \t#ft/sec**2\n", "u= 2.34*10**-5 \t#lbf/ft sec\n", "w= 62.4 \t#lbf/ft**3\n", "v= 0.283 \t#ft/sec\n", "Re1= 70.\n", "v1= 0.0374 \t#ft/sec\n", "\t\n", "#CALCULATIONS\n", "y= Re*u*g/(w*v)\n", "y1= Re1*u*g/(w*v)\n", "y2= Re*u*g/(w*v1)\n", "y3= Re1*u*g/(w*v1)\n", "\t\n", "#RESULTS\n", "print ' y = %.6f ft'%(y)\n", "print ' y = %.5f ft'%(y1)\n", "print ' y = %.5f ft'%(y2)\n", "print ' y = %.4f ft'%(y3)\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ " y = 0.000213 ft\n", " y = 0.00299 ft\n", " y = 0.00161 ft\n", " y = 0.0226 ft\n" ] } ], "prompt_number": 2 } ], "metadata": {} } ] }