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+{
+ "metadata": {
+  "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 14 : Hydro-kinetic Machines"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.1.1 page no : 435"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \n",
+      "#initialisation of variables\n",
+      "\n",
+      "W= 107.5 \t\t\t#ft lbf/lbf\n",
+      "H= 120. \t\t\t#ft\n",
+      "n= 0.93\n",
+      "P= 60. \t\t\t#hp\n",
+      "w= 62.3 \t\t\t#lbf/ft**3\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "nh= W/H\n",
+      "no= nh*n\n",
+      "Q= P*550./(w*H*no)\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  ' Rate of flow= %.1f ft**3/sec'%(Q)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " Rate of flow= 5.3 ft**3/sec\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.1.2 page no : 436"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \n",
+      "#initialisation of variables\n",
+      "w= 48. \t\t\t#ft/sec\n",
+      "u= 60. \t\t\t#ft/sec\n",
+      "g= 32.2 \t\t\t#ft/sec**2\n",
+      "hm= 5.5 \t\t\t#ft\n",
+      "Ws= 100. \t\t\t#ft\n",
+      "Wi= 94.5 \t\t\t#ft\n",
+      "hc= 21. \t\t\t#ft\n",
+      "hi= 5. \t\t\t#ft\n",
+      "h = 5.\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "Wo= w*u/g\n",
+      "nm= 1-(h/Ws)\n",
+      "nh= 1-((hc+hi)/Wi)\n",
+      "no= nm*nh\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  ' Hydraulic efficiency= %.3f '%(nh)\n",
+      "print  '  Hydraulic efficiency= %.3f '%(no)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " Hydraulic efficiency= 0.725 \n",
+        "  Hydraulic efficiency= 0.689 \n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.2.1 page no : 441"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \n",
+      "#initialisation of variables\n",
+      "\n",
+      "d= 0.96\n",
+      "H1= 300. \t\t\t#ft\n",
+      "g= 32.2 \t\t\t#ft/sec**2\n",
+      "u= 60. \t\t\t#ft/sec\n",
+      "dw= 118. \t\t\t#ft/sec\n",
+      "w= 62.3 \t\t\t#lbf/ft**3\n",
+      "n= 0.95\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "W= u*dw/g\n",
+      "V= d*math.sqrt(2*g*H1)\n",
+      "P= w*V*220*(math.pi/144.)/550.\n",
+      "nh= W/H1\n",
+      "nm= 0.5/nh\n",
+      "no= nh*nm*100.\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  ' Hydraulic efficiency= %.1f percent'%(no)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " Hydraulic efficiency= 50.0 percent\n"
+       ]
+      }
+     ],
+     "prompt_number": 4
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.2.2 page no : 441"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \t\t\t\n",
+      "#initialisation of variables\n",
+      "w= 500. \t\t\t#rev\n",
+      "r1= 1.21 \t\t\t#ft\n",
+      "r2= 0.65 \t\t\t#ft\n",
+      "a= 12. \t\t\t#deg\n",
+      "b= 165. \t\t\t#deg\n",
+      "g= 32.2 \t\t\t#ft/sec**2\n",
+      "n= 0.88\n",
+      "w1= 62.3 \t\t\t#lbf/ft**3\n",
+      "n= 0.88\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "u= w*(r1+r2)*2*math.pi/(2*60)\n",
+      "q= u*math.tan(math.radians(a))\n",
+      "wo= u+q*1./math.tan(math.radians(b))\n",
+      "W= (u*wo)/g\n",
+      "H= n*W\n",
+      "Q= math.pi*(r1**2-r2**2)*q*12400/34.\n",
+      "Ps= w*Q*33.2*H*62.2/(550*12400*457.7*n)\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  ' Head= %.1f ft'%(H)\n",
+      "print  ' discharge rate= %.f gal/min'%(round(Q,-2))\n",
+      "print  ' overall efficiency= %.1f h.p'%(Ps)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " Head= 13.4 ft\n",
+        " discharge rate= 12400 gal/min\n",
+        " overall efficiency= 62.2 h.p\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.3.1 pageno : 446"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \t\t\t\n",
+      "#initialisation of variables\n",
+      "H= 60. \t\t\t#ft\n",
+      "g= 32.2 \t\t\t#ft/sec**2\n",
+      "H1= 113. \t\t\t#ft\n",
+      "W = 4*20\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "u= math.sqrt(H*20*g/113.)\n",
+      "ui= 37.9 \t\t\t#ft/sec\n",
+      "nm= (100*W)/H1\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  '  Velocity of the rim= %.2f ft/sec'%(u)\n",
+      "print  '  hydraulic efficiency of the turbine= %.2f percent'%(nm)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " Velocity of the rim= 18.49 ft/sec\n",
+        "  hydraulic efficiency of the turbine= 70.80 percent\n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.3.2 page no : 447"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \n",
+      "#initialisation of variables\n",
+      "w= 62.3 \t\t\t#lbf/ft**3\n",
+      "Q= 10.5 \t\t\t#lbf/sec\n",
+      "P= 34.4 \t\t\t#h.p\n",
+      "n= 0.75\n",
+      "u = 52.4\n",
+      "q = 20\n",
+      "B = 150\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "w0 = round(u - q*math.sqrt(3),1)\n",
+      "V0 = round(math.sqrt(q**2 + w0**2),1)\n",
+      "a = round(math.degrees(math.atan(q/w0)),1)\n",
+      "\n",
+      "Pi = 181*1000*(2*math.pi/33000.)\n",
+      "Ps = Pi / .95\n",
+      "H= n*Pi*550/(w*Q)\n",
+      "\n",
+      "\n",
+      "\n",
+      "#RESULTS\n",
+      "print \"V0 = %.1f ft/sec   and A = %.1f degrees\"%(V0,a)\n",
+      "print \"Power exerted on water by the impeller is  = %.1f h.p.\"%Ps\n",
+      "print  ' lift of the pump= %.1f ft'%(H)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "V0 = 26.8 ft/sec   and A = 48.3 degrees\n",
+        "Power exerted on water by the impeller is  = 36.3 h.p.\n",
+        " lift of the pump= 21.7 ft\n"
+       ]
+      }
+     ],
+     "prompt_number": 21
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.3.3 page no : 449"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \n",
+      "#initialisation of variables\n",
+      "g= 32.2 \t\t\t#ft/sec**2\n",
+      "Z= 36. \t\t\t#ft\n",
+      "r= 4. \t\t\t#in\n",
+      "r1= 12. \t\t\t#in\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "w= (math.sqrt(2*g*Z/((r1/12)**2-(r/12)**2)))*(60/(2*math.pi))\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  ' minimum speed= %.f rev/min'%(w)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " minimum speed= 488 rev/min\n"
+       ]
+      }
+     ],
+     "prompt_number": 13
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.3.4 page no : 449"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math     \n",
+      "#initialisation of variables\n",
+      "\n",
+      "w= 1000. \t\t\t#rev\n",
+      "r= 1. \t\t\t#ft\n",
+      "Q= 2000. \t\t\t#ft**3\n",
+      "wa= 0.07\n",
+      "w1= 62.3 \t\t\t#lbf/ft**3\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "u= w*r*2.*math.pi/60\n",
+      "g = 32.2\n",
+      "q= Q/(60*math.pi)\n",
+      "H= (u**2/g)*(1+(q/u)*1./math.tan(math.radians(35)))\n",
+      "l= H/4.\n",
+      "Ha= H-l\n",
+      "Hv= (u**2/(2*g))*(1+(q/u)*1./math.tan(math.radians(35)))**2\n",
+      "Hva= Hv-78.\n",
+      "Hpa= Ha-145.\n",
+      "p= wa*Hpa*12/w1\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  ' gain in pressure= %.2f in of water'%(p)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " gain in pressure= 1.99 in of water\n"
+       ]
+      }
+     ],
+     "prompt_number": 14
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.3.5 page no : 452"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \n",
+      "#initialisation of variables\n",
+      "w= 62.3 \t\t\t#lbf/ft**3\n",
+      "Q= 195. \t\t\t#gal\n",
+      "n= 0.71 \t\t\t#t**3\n",
+      "Ht= 25. \t\t\t#ft\n",
+      "Q1= 325. \t\t\t#gal\n",
+      "Ht1= 31.5 \t\t\t#ft\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "P= w*Q*Ht/(n*6.23*33000)\n",
+      "Ps= w*Q1*Ht1/(n*6.23*33000)\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  ' pressure= %.2f h.p'%(P)\n",
+      "print  '  pressure= %.2f h.p'%(Ps)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " pressure= 2.08 h.p\n",
+        "  pressure= 4.37 h.p\n"
+       ]
+      }
+     ],
+     "prompt_number": 15
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.4.1 page no : 458"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \n",
+      "#initialisation of variables\n",
+      "N= 1450. \t\t\t#rev/min\n",
+      "Q= 500. \t\t\t#gal/min\n",
+      "H= 60. \t\t\t#ft\n",
+      "D= 10.25 \t\t\t#in\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "Ns= N*math.sqrt(Q)/H**0.75\n",
+      "h= (N*math.sqrt(Q/2)/Ns)**(4/3.)\n",
+      "d= D*math.sqrt(h/H)\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  'head= %.f ft'%(h)\n",
+      "print  'size of the pump= %.2f in'%(d)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "head= 38 ft\n",
+        "size of the pump= 8.14 in\n"
+       ]
+      }
+     ],
+     "prompt_number": 5
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.4.2 page no : 459"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \n",
+      "#initialisation of variables\n",
+      "f= 0.006\n",
+      "l= 2600. \t\t\t#ft\n",
+      "Q= math.sqrt(5040.) \t\t\t#ft**3\n",
+      "g= 32.2 \t\t\t#ft/sec**2\n",
+      "hf= 57.5 \t\t\t#ft\n",
+      "Cj = .98\n",
+      "\n",
+      "#CALCULATIONS\n",
+      "Ns = 6.5\n",
+      "H = round(.95 * 1150)\n",
+      "N = Ns * H**(5./4)/math.sqrt(7200)\n",
+      "Vj = round(Cj*math.sqrt(2*g*H))\n",
+      "v = .46*Vj\n",
+      "diameter = 2*v/(2*math.pi*N/60.)\n",
+      "d= ((32*f*l*Q**2)/(math.pi**2*g*hf))**(1./5)*12.11\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print \"Speed  of pelton wheel is =  %.2f rev/min\"%N\n",
+      "print \"Mean diameter of bucket circle is = %.2f ft\"%diameter\n",
+      "print  'diameter of the pipe= %.1f in'%(d)\n",
+      "\n",
+      "# Answers may vary because of rounding error."
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Speed  of pelton wheel is =  481.42 rev/min\n",
+        "Mean diameter of bucket circle is = 4.74 ft\n",
+        "diameter of the pipe= 32.4 in\n"
+       ]
+      }
+     ],
+     "prompt_number": 28
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.4.3 page no : 460"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math\n",
+      "# variables\n",
+      "f = .0075           # coeffienct\n",
+      "P0 = 62.3           # lb\n",
+      "n0 = .7             # ft**2\n",
+      "\n",
+      "# Calculations\n",
+      "Q = (6+math.sqrt(36+192))/6\n",
+      "H = 80 + 2*Q**2\n",
+      "Ps = (P0/n0)*Q*H/550.\n",
+      "\n",
+      "# Results\n",
+      "print \"Q  = %.2f ft**3/sec\"%Q\n",
+      "print \"H = %.1f ft\"%H\n",
+      "print \"Ps = %.1f h.p.\"%Ps"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Q  = 3.52 ft**3/sec\n",
+        "H = 104.7 ft\n",
+        "Ps = 59.6 h.p.\n"
+       ]
+      }
+     ],
+     "prompt_number": 33
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.4.4 page no : 461"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \n",
+      "#initialisation of variables\n",
+      "\n",
+      "P= 163. \t\t\t#h.p\n",
+      "n= 0.84\n",
+      "w= 62.3 \t\t\t#lbf/ft**3\n",
+      "h= 65. \t\t\t#ft\n",
+      "d= 7. \t\t\t#ft\n",
+      "D= 4.67 \t\t\t#ft\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "q= ((P*550.)/(n*w*h))*6.23\n",
+      "r= d**3./D\n",
+      "Q= q*r\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  'rate of flow= %.f gal/sec'%(Q+40)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "rate of flow= 12100 gal/sec\n"
+       ]
+      }
+     ],
+     "prompt_number": 6
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.4.5 page no : 462"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \n",
+      "#initialisation of variables\n",
+      "N= 2900. \t\t\t#rev/min\n",
+      "G= 415.\n",
+      "h= 1080. \t\t\t#ft\n",
+      "n= 1000.\n",
+      "c= 0.96\n",
+      "g= 32.2 \t\t\t#ft/sec**2\n",
+      "w= 2900. \t\t\t#rev\n",
+      "p= 0.78\n",
+      "Q= 4000. \t\t\t#lbf/min\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "x= ((n*h**0.75/(N*G**0.5))**(4./3))+0.3\n",
+      "H= h/x\n",
+      "D= c*math.sqrt(2*g*H)*2.*60.*12./(w*2*math.pi)\n",
+      "P= Q*h/(p*33000)\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  'head per stage= %.f ft'%(H)\n",
+      "print  '  diameter= %.1f in'%(D)\n",
+      "print  '  Power= %.f h.p'%(P)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "head per stage= 216 ft\n",
+        "  diameter= 9.0 in\n",
+        "  Power= 168 h.p\n"
+       ]
+      }
+     ],
+     "prompt_number": 35
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.5.1 page no : 466"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math \n",
+      "#initialisation of variables\n",
+      "H= 900. \t\t\t#ft\n",
+      "P= 1665. \t\t\t#h.p\n",
+      "N= 755.\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "Q = 4*math.pi/144. * 234\n",
+      "D5 = 32/(math.pi*32.2) * (.006*1200)/100 * 20.4**2\n",
+      "P0 = 62.3 * 20.4 * 228.7 * 107.5/32.2/550\n",
+      "pi = 19.65\n",
+      "nh = P0/pi\n",
+      "nm = .94\n",
+      "n0 = nh/100.*nm\n",
+      "P1= P/(H)**1.5\n",
+      "N1= N/(H)**0.5\n",
+      "Ns= N*math.sqrt(P)/H**1.25\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print \"Diameter of pipeline :%.2f ft^5\"%D5\n",
+      "print \"Hydraulic efficiency : %.1f %%\"%nh\n",
+      "print \"Overall efficiency of the machine : %.2f %%\"%(n0*100)\n",
+      "print  'Unit power= %.4f h.p'%(P1)\n",
+      "print  '  Unit speed= %.1f rev/min'%(N1)\n",
+      "print  '  Specific speed= %.2f rev/min'%(Ns)\n",
+      "\n",
+      "#Note : answers may vary because of rounding error. "
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Diameter of pipeline :9.48 ft^5\n",
+        "Hydraulic efficiency : 89.8 %\n",
+        "Overall efficiency of the machine : 84.40 %\n",
+        "Unit power= 0.0617 h.p\n",
+        "  Unit speed= 25.2 rev/min\n",
+        "  Specific speed= 6.25 rev/min\n"
+       ]
+      }
+     ],
+     "prompt_number": 4
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.5.2 page no : 468"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "import math \n",
+      "#initialisation of variables\n",
+      "w1= 1500. \t\t\t#rev/min\n",
+      "H2= 120. \t\t\t#ft\n",
+      "H1= 81. \t\t\t#ft\n",
+      "Q1= 2750. \t\t\t#gal/min\n",
+      "P1= 87. \t\t\t#h.p\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "w2= w1*math.sqrt(H2/H1)\n",
+      "Q2= Q1*w2/w1\n",
+      "P2= P1*(H2/H1)**1.5\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  'Speed= %.f rev/min'%(w2-61.)\n",
+      "print  'discharge= %.f gal/min'%(Q2-107.)\n",
+      "print  'shaft power= %.f h.p'%(P2-16.)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Speed= 1765 rev/min\n",
+        "discharge= 3240 gal/min\n",
+        "shaft power= 141 h.p\n"
+       ]
+      }
+     ],
+     "prompt_number": 7
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.5.3 page no : 469"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "%pylab inline\n",
+      "\n",
+      "from matplotlib.pyplot import *\n",
+      "from numpy import *\n",
+      "# Variables\n",
+      "H = 28                     # head\n",
+      "P1 = array([2.0,2.09,2.15,2.15,2.11,2.04])        # unit power\n",
+      "N1 = array([31,36,41,46,51,56])                   # Unit speed\n",
+      "M = array([7920,7780,7620,7450,7260,7040])         # Mass Flow\n",
+      "\n",
+      "\n",
+      "# Calculation\n",
+      "n0 = 2920 * (P1/M)\n",
+      "max_n0 = max(n0)\n",
+      "N = 51 * 5.3\n",
+      "p1 = 2.11\n",
+      "P = p1 * 148.5\n",
+      "Ns = N*math.sqrt(P)/(H**(5./4))\n",
+      "p = round(2.16*33**(3./2),-1)     # P1 = 2.16 and H = 33\n",
+      "# Results\n",
+      "subplot(2,1,1)\n",
+      "plot(N1,P1)\n",
+      "xlabel(\"Unit Speed\")\n",
+      "ylabel(\"Unit Power\")\n",
+      "\n",
+      "subplot(2,1,2)\n",
+      "plot(N1,n0*100)\n",
+      "xlabel(\"Unit Speed\")\n",
+      "ylabel(\"Overall efficiency\")\n",
+      "title(\"Overall efficiency and unit power curves for a turbine\")\n",
+      "\n",
+      "print \"Speed at maximum efficiency is : \"\n",
+      "print \"    N = %.f rev/min\"%N\n",
+      "print \"    P = %.f h.p.\"%P\n",
+      "print \"Specific Speed = %.1f\"%Ns\n",
+      "print \"P  = %.f h.p\"%p\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Populating the interactive namespace from numpy and matplotlib\n",
+        "Speed at maximum efficiency is : "
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "\n",
+        "    N = 270 rev/min\n",
+        "    P = 313 h.p.\n",
+        "Specific Speed = 74.3\n",
+        "P  = 410 h.p\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stderr",
+       "text": [
+        "WARNING: pylab import has clobbered these variables: ['pi']\n",
+        "`%pylab --no-import-all` prevents importing * from pylab and numpy\n"
+       ]
+      },
+      {
+       "metadata": {},
+       "output_type": "display_data",
+       "png": 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T9ejRo8zjpfevvPevLnJ0dKT09HS5x9T53VP0HagORftX0+/f+vXrqUuXLuU+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\nMKgNtP3DyvtXd2nzvgHav3/K0qhEUbJ6bEnff/8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+       "text": [
+        "<matplotlib.figure.Figure at 0x31eac90>"
+       ]
+      }
+     ],
+     "prompt_number": 5
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 14.7.1 pageno : 478"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "\n",
+      "import math \n",
+      "#initialisation of variables\n",
+      "pe= 126. \t\t\t#ft\n",
+      "ve=16.\t\t\t#ft/sec\n",
+      "g= 32.2 \t\t\t#ft/sec**2\n",
+      "w= 62.3 \t\t\t#lbf/ft**3\n",
+      "Q= 64. \t\t\t#ft**3/sec\n",
+      "n= 0.79\n",
+      "vo= 8. \t\t\t#ft/sec\n",
+      "h= 9. \t\t\t#ft\n",
+      "nh= 0.82\n",
+      "\t\t\t\n",
+      "#CALCULATIONS\n",
+      "H= pe+(ve**2/(2*g))+13.\n",
+      "Ps= H*w*Q*n/550.\n",
+      "W= pe+(ve**2/(2.*g))+4-((vo**2/(2*g))-h)\n",
+      "W1= nh*H\n",
+      "dh= W-W1\n",
+      "nm= n/nh\n",
+      "e= Ps*((1/nm)-1)\n",
+      "\t\t\t\n",
+      "#RESULTS\n",
+      "print  ' Total head= %.f ft'%(H)\n",
+      "print  '  horse power= %.f hp'%(Ps)\n",
+      "print  '  head lost in friction= %.f ft'%(dh)\n",
+      "print  ' horse power lost= %.f h.p'%(e)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " Total head= 143 ft\n",
+        "  horse power= 819 hp\n",
+        "  head lost in friction= 25 ft\n",
+        " horse power lost= 31 h.p\n"
+       ]
+      }
+     ],
+     "prompt_number": 38
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
\ No newline at end of file