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+//Fluid Systems- By Shiv Kumar
+//Chapter 7- Performance of Water Turbine
+//Example 7.14
+//To Determine the Size (Scale Ratio) of the Model and To Find the Model Speed and  Power.
+
+   clc
+    clear
+
+//Given:-
+     TP=240000;       //Total Power Produced, kW
+      n=4;       //No. of Turbines
+      eta_o=91/100;        //Effeciency of each turbine
+       Np=120;        //Speed of each Turbine, rpm
+       Hp=70;        //Head for each Turbine, m 
+        
+       Qm=0.45;        //Discharge for Model, m^3/s
+       Hm=5;          //Head for testing the Model, m
+
+//Data Required:-
+         rho=1000;     //Density of Water, Kg/m^3
+         g=9.81;        //Acceleratrion due to gravity, m/s^2
+
+//Calculations:-
+       Pp=TP/n;       //Power produced from each Turbine, kW
+       Qp=Pp*1000/(rho*g*Hp*eta_o);      //Discharge passing through one Turbine, m^3/s
+       DmbyDp=(Qm/Qp)^(1/2)*(Hp/Hm)^(1/4);          //From Relation of Flow Coefficient
+        Lr=DmbyDp;       //Scale Ratio
+        Nm=(Np/DmbyDp)*(Hm/Hp)^(1/2);     //rpm
+        Pm=Pp*(Nm/Np)^3*DmbyDp^5;        //KW
+
+//Results
+    printf("The Scale Ratio is  1:%.2f\n ",1/Lr)
+    printf("Model Speed, Nm=%.2f rpm\n",Nm)
+    printf("Model Power, Pm=%.2f kW\n",Pm)       //The Answer vary due to Round off Error
+
+