{
 "metadata": {
  "name": "",
  "signature": "sha256:3e2ac1bf133acbbd856da5493c5fd89c5f1a7ed7a5559688ae90d4aacb790c72"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": [
      "Chapter12-Hydrodynamics"
     ]
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Ex1-pg155"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "##Solutions to Problems In applied mechanics\n",
      "##A N Gobby\n",
      "import math\n",
      "##initialisation of variables\n",
      "p=144.*60.##lbf/ft^2\n",
      "A1=1./4.*math.pi*(1/2.)**2##ft^2\n",
      "A2=1./4.*math.pi*(1/4.)**2##ft^2\n",
      "w=5.##ft/s\n",
      "U1=1./A1##ft/s\n",
      "U2=1./A2##ft/s\n",
      "g=32.2##ft/s\n",
      "P=(U1**2/(2.*g))+(p/(2.*g))\n",
      "P1=(3.+U2**2/(62.4))+(144./(62.4))\n",
      "##CALCULATIONS\n",
      "Pb=(P/P1)*w##lbf/in^2\n",
      "##RESULTS\n",
      "print'%s %.2f %s'%('the bernouli s equation= ',Pb,' lbf/in^2')\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "the bernouli s equation=  56.26  lbf/in^2\n"
       ]
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Ex2-pg156"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "##Solutions to Problems In applied mechanics\n",
      "##A N Gobby\n",
      "import math\n",
      "##initialisation of variables\n",
      "p=1.23##ft^2\n",
      "t=0.197##ft^2\n",
      "u=1.595##ft^2\n",
      "g=13.56##ft^2\n",
      "w=9.2##in\n",
      "m=0.97##in\n",
      "##CALCULATIONS\n",
      "H=(g-1.)*w/12.##ft^2\n",
      "Q=m*u*math.sqrt(H)##ft^3\n",
      "S=Q*60.*62.4/10.##gallons/min\n",
      "##RESULTS\n",
      "print'%s %.2f %s'%('the head difference in feet of water= ',S,' gallons/min')\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "the head difference in feet of water=  1797.49  gallons/min\n"
       ]
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Ex3-pg158"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "##Solutions to Problems In applied mechanics\n",
      "##A N Gobby\n",
      "import math\n",
      "##initialisation of variables\n",
      "h=4.##ft\n",
      "h1=3.24##ft^3/min\n",
      "d=0.785##in\n",
      "v=5.26##ft^3/min\n",
      "##CALCULATIONS\n",
      "Cd=h1/v##ft\n",
      "C=1/4.*math.pi*(d)**2/(1./4.*math.pi*(1.)**2)##ft^3\n",
      "V=Cd/C\n",
      "##RESULTS\n",
      "print'%s %.2f %s'%('the coefficients of discharge velocity and contraction=',V,'')\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "the coefficients of discharge velocity and contraction= 1.00 \n"
       ]
      }
     ],
     "prompt_number": 3
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Ex4-pg159"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "##Solutions to Problems In applied mechanics\n",
      "##A N Gobby\n",
      "import math\n",
      "##initialisation of variables\n",
      "x=32.5##in\n",
      "y=33.7##in\n",
      "h=8.##in\n",
      "##CALCULATIONS\n",
      "C=math.sqrt((x)**2/(4.*y*h))##ft\n",
      "##RESULTS\n",
      "print'%s %.2f %s'%('the coefficient of velocity= ',C,' ft')\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "the coefficient of velocity=  0.99  ft\n"
       ]
      }
     ],
     "prompt_number": 4
    }
   ],
   "metadata": {}
  }
 ]
}