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+//Fluid Systems- By Shiv Kumar
+//Chapter 5- Francis Turbine
+//Example 5.14
+//To Find  the Pressure Head at the Entrance.
+
+     clc
+     clear
+
+//Given Data:-
+          Vo=5.6;         //Velocity at Inlet, m/s
+          Vd=1.4;        //Velocity at Outlet, m/s
+          h_f=0.12;     //Friction Losses, m
+          Ho=5.2;        //Vertical Height betwen tail-race and entrance of Draft-tube,  m
+ 
+//Data Required:-
+    g=9.81;    //Acceleration due to gravity,  m/s^2
+ 
+//Calculations:-
+        //Applying Bernoulli's Equation with,
+             Z2=0;
+             pa_by_rho_g=0;
+             p1_by_rho_g=pa_by_rho_g+(Vd^2-Vo^2)/(2*g)+Z2-Ho+h_f;       //m
+
+//Results:-
+             printf("The Pressure Head at Entrance, p1/(rho*g)=%.3f m\n",p1_by_rho_g)
+
+