From 6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d Mon Sep 17 00:00:00 2001 From: kinitrupti Date: Fri, 12 May 2017 18:53:46 +0530 Subject: Removed duplicates --- .../ch7.ipynb | 292 +++++++++++++++++++++ 1 file changed, 292 insertions(+) create mode 100755 Elementary_Fluid_Mechanics_by_J._K._Vennard/ch7.ipynb (limited to 'Elementary_Fluid_Mechanics_by_J._K._Vennard/ch7.ipynb') diff --git a/Elementary_Fluid_Mechanics_by_J._K._Vennard/ch7.ipynb b/Elementary_Fluid_Mechanics_by_J._K._Vennard/ch7.ipynb new file mode 100755 index 00000000..219a93a5 --- /dev/null +++ b/Elementary_Fluid_Mechanics_by_J._K._Vennard/ch7.ipynb @@ -0,0 +1,292 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:46e45d2f6c46e25d719ba327e4ef8cabd3b2b67788136ad3286b5847149f6378" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 7 : Flow of a Real Fluid" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 7.1 Page No : 225" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "import math \n", + "\t\t\n", + "# variables\n", + "nu = 0.00001;\t\t# sqft/sec\n", + "d = 1.;\t\t#in\n", + "R_c = 2100.;\n", + "\n", + "# calculations \n", + "V = R_c*nu/(d/12);\n", + "Q = V*0.25*math.pi*(d/12)**2;\n", + "\n", + "# results \n", + "print 'Q = %.6f cfs'%(Q);" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Q = 0.001374 cfs\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 7.2 pageno : 230" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "# calculations\n", + "e = 0.2/(1./0.33)\n", + "l2 = 0.2/(1.94 * (1/0.33)**2)\n", + "l = math.sqrt(l2)\n", + "k2 = 0.2/(1.94 * (1/0.33)**2 / (-1/(0.33**2)**0.5)**2)\n", + "k = math.sqrt(k2)\n", + "\n", + "# results\n", + "print \"E = %.3f lb-sec/sqft\"%e\n", + "print \"l = %.3f ft\"%l\n", + "print \"k = %.2f\"%k\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "E = 0.066 lb-sec/sqft\n", + "l = 0.106 ft\n", + "k = 0.32\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 7.4 Page No : 240" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "import math \n", + "\t\t\n", + "# variables\n", + "G = 240.;\t\t#lb/sec\n", + "A1 = 4.;\t\t#sqft\n", + "A2 = 2.;\t\t#sqft\n", + "z1 = 30.;\t\t#ft\n", + "z2 = 80.;\t\t#ft\n", + "V1 = 600.;\t\t# fps\n", + "V2 = 800.;\t\t#fps\n", + "p1 = 20.;\t\t#psia\n", + "p2 = 35.;\t\t# psia\n", + "\n", + "# calculations \n", + "gam1 = G/(A1*V1);\n", + "gam2 = G/(A2*V2);\n", + "T1 = p1*144/(53.3*gam1);\n", + "T2 = p2*144/(53.3*gam2);\n", + "del_H = 186.5*(T2-T1);\n", + "E_H1 = (V2**2)/(2*32.2) - (V1**2)/(2*32.2) +del_H+z2-z1;\n", + "E_H2 = (V2**2)/(2*32.2) - (V1**2)/(2*32.2) +del_H;\n", + "Q = G*E_H2/550.;\n", + "\n", + "# results \n", + "print 'T1 = %d degreeR, T2 = %d degreeR'%(T1,T2);\n", + "print ' The net heat energy added = %d hp'%(round(Q,-1));\n", + "\n", + "#answer differs due to rounding-off errors" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "T1 = 540 degreeR, T2 = 630 degreeR\n", + " The net heat energy added = 9230 hp\n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 7.5 Page No : 240" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "import math \n", + "\t\t\n", + "# variables\n", + "G = 50.;\t\t#cfs\n", + "Q = 400.;\t\t#hp\n", + "A1 = 4.;\t\t#sqft\n", + "A2 = 2.;\t\t#sqft\n", + "z1 = 30.;\t\t#ft\n", + "z2 = 80.;\t\t#ft\n", + "p1 = 20.;\t\t#psi\n", + "p2 = 10.;\t\t#psi\n", + "\n", + "# calculations \n", + "V1 = G/A1;\n", + "V2 = G/A2;\n", + "E_p = Q*(550/62.4)/G;\n", + "h_L = (p1-p2)*144/62.4 + (V1**2 - V2**2)/(2*32.2) +(z1-z2)+E_p;\n", + "\n", + "# results \n", + "print 'Head lost = %.1f ft'%(h_L);" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Head lost = 36.3 ft\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 7.6 Page No : 243" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "import math \n", + "\t\t\n", + "# variables\n", + "b = 3.;\t\t#ft\n", + "d = 2.;\t\t#ft\n", + "l = 200.;\t\t#ft\n", + "h_L = 30.;\t\t#ft\n", + "\n", + "# calculations \n", + "tau_0 = h_L*62.4*b*d/(10*l);\t\t#0.00694\n", + "\n", + "# results \n", + "print 'The resistance stress exerted between fluid and conduit walls = %.2f psf = %.3f psi'%(tau_0,tau_0*0.00694);" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The resistance stress exerted between fluid and conduit walls = 5.62 psf = 0.039 psi\n" + ] + } + ], + "prompt_number": 9 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 7.7 Page No : 244" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "import math \n", + "\t\t\n", + "# variables \n", + "h_L = 30.;\t\t#ft\n", + "l = 200.;\t\t#ft\n", + "d = 2.;\t\t#ft\n", + "r = 8.;\t\t#in\n", + "\n", + "# calculations \n", + "#part (a)\n", + "tau_0 = h_L*62.4/(d*l);\n", + "#part(b)\n", + "tau = (0.5*r/12)*(tau_0*0.00694);\n", + "\n", + "# results \n", + "print 'Parta): Shear stress = %.2f psf = %.4f psi '%(tau_0,tau_0*0.00694);\n", + "print 'Partb): Shear stress = %.4f psi '%(tau);" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Parta): Shear stress = 4.68 psf = 0.0325 psi \n", + "Partb): Shear stress = 0.0108 psi \n" + ] + } + ], + "prompt_number": 10 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit