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//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
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