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Diffstat (limited to 'Basic_Fluid_Mechanics/ch5.ipynb')
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diff --git a/Basic_Fluid_Mechanics/ch5.ipynb b/Basic_Fluid_Mechanics/ch5.ipynb new file mode 100755 index 00000000..e44fb093 --- /dev/null +++ b/Basic_Fluid_Mechanics/ch5.ipynb @@ -0,0 +1,212 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:925f1eedf50c877ed321461a7c6fe2319e03573a843bd9a8a44c0d22ceada0ec" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 5 : Control-Volume Analysis" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.1 Page No : 114" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\t\n", + "#initialisation of variables\n", + "w= 20. \t#lbm/sec plant rate\n", + "sh= 0.004\n", + "mw2= 0.12 \t#lbm/sec stream rate\n", + "ma3= 12.2 \t#lbm/sec rates of air\n", + "mw3= 0.130 \t#lbm/sec water rate\n", + "\t\n", + "#CALCULATIONS\n", + "mw1= w/((1/sh)+1)\n", + "ma1= w-mw1\n", + "ma4= ma1-ma3\n", + "mw4= mw1+mw2-mw3\n", + "mr= ma4+mw4\n", + "sh1= mw4/ma4\n", + "\t\n", + "#RESULTS\n", + "print ' mw1 = %.4f lbm/sec'%(mw1)\n", + "print ' ma1 = %.2f lbm/sec'%(ma1)\n", + "print ' ma4 = %.2f lbm/sec'%(ma4)\n", + "print ' mw4 = %.4f lbm/sec'%(mw4)\n", + "print ' mr = %.2f lbm/sec'%(mr)\n", + "print ' specific humidity = %.5f lbm/sec'%(sh1)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " mw1 = 0.0797 lbm/sec\n", + " ma1 = 19.92 lbm/sec\n", + " ma4 = 7.72 lbm/sec\n", + " mw4 = 0.0697 lbm/sec\n", + " mr = 7.79 lbm/sec\n", + " specific humidity = 0.00903 lbm/sec\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.2 Page No : 131" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math \n", + "\t\n", + "#initialisation of variables\n", + "w= 62.4 \t#lbf/ft**3 fluid density\n", + "g= 32.2 \t#ft/sec**2 \n", + "v= 86.5 \t#ft/sec velocity\n", + "d2= 3. \t#in\n", + "d1= 6. \t#in\n", + "dp= 50. \t#lbf/in**2 gauge pressure\n", + "\t\n", + "#CALCULATIONS\n", + "Fb= ((math.pi*(w/g)*v**2*(1/d1)**2*(1-(d2/d1)**2)*0.25)-dp*144*(math.pi/4)*(1/d2)**2)\n", + "\t\n", + "#RESULTS\n", + "print 'Load on the bolts = %.f lbf'%(Fb)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Load on the bolts = -391 lbf\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.3 Page No : 133" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math \n", + "\t\n", + "#initialisation of variables\n", + "F1= 237. \t#lb\n", + "dp= 50. \t#lbf/in**2\n", + "D= 6. \t#in diameter\n", + "\t\n", + "#CALCULATIONS\n", + "F2= dp*144*(math.pi/4)*(D/12)**2\n", + "Fb= F1-F2\n", + "\t\n", + "#RESULTS\n", + "\n", + "print 'Load on the bolts = %.f lbf'%(Fb)\n", + "#rounding-off error" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Load on the bolts = -1177 lbf\n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.5 Page No : 137" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math \n", + "\t\n", + "#initialisation of variables\n", + "w1= 0.0286 \t#lbm/ft**3 density\n", + "v= 2500. \t#ft/sec velocity\n", + "A= 2.5 \t#ft**3 area\n", + "k= 0.015\n", + "p2= 700. \t#lbf/ft**2\n", + "p1= 628. \t#lbf/ft**2 pressure\n", + "v2= 3500. \t#ft/sec outlet\n", + "g= 32.17 \t#ft/sec**2\n", + "\t\n", + "#CALCULATIONS\n", + "ma= w1*v*A\n", + "mf= round(k*ma,2)\n", + "mt= round(ma+mf,1)\n", + "F= (p2-p1)*A+(mt*v2/g)-(ma*v/g)\n", + "\n", + "\n", + "#RESULTS\n", + "print ' air mass flow rate = %.2f lbm/sec'%(ma)\n", + "print ' Fuel flow rate = %.2f lbm/sec'%(mf)\n", + "print ' Fuel flow rate at station 2 = %.2f lbm/sec'%(mt)\n", + "print ' Thrust force = %d lbf'%(round(F,-1))\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " air mass flow rate = 178.75 lbm/sec\n", + " Fuel flow rate = 2.68 lbm/sec\n", + " Fuel flow rate at station 2 = 181.40 lbm/sec\n", + " Thrust force = 6020 lbf\n" + ] + } + ], + "prompt_number": 4 + } + ], + "metadata": {} + } + ] +}
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