//Fluid Systems by Shiv Kumar //Chapter 7 - Performance of water turbine //Example 7.2 //To Find (a) Specific speed of turbine (b) Power Developed (c) Type of turbine clc clear //Given: H=28; //Head, m N=225; //Speed, rpm Q=10; //Discharge, cumec=m^3/s eta_o=90/100; //Overall Efficiency //Data Required rho=1000 // Density of Water, Kg/m^3 g=9.81; // Acceleration due to gravity, m/ s^2 //Computations P=eta_o*rho*Q*g*H/1000; //Power developed, KW Ns=N*P^(1/2)/(H^(5/4)); // specific speed of turbine , in SI UNITS //Result1 printf("(a)The Specific speed of Turbine = %.2f (SI Units)\n",Ns) //The Answer Vary due to Round off Error printf("(b)Power developed =%.2f kW\n",P) //To Determine the type of turbine, Result2 if Ns>51 & Ns<=255 then printf("(c)The type of turbine is Francis.") elseif Ns>=8.5 & Ns<=30 then printf("(c)The type of turbine is Pelton Wheel with single jet.") elseif Ns>30 & Ns<=51 then printf("(c)The type of turbine is Pelton Wheel with multi jet.") elseif Ns>255 & Ns<=860 then printf("(c)The type of turbine is Kaplan or Propeller turbine.") end