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+//Fluid Systems- By Shiv Kumar
+//Chapter 5- Francis Turbine
+//Example 5.13
+//To Determine  the Blade Angle at Entry and Exit.
+
+     clc
+     clear
+
+//Given Data:-
+            R=0.6;       //Degree
+            ui=15;       //Peripheral velocity of Runner at entry,  m/s
+            Vfo=3.2;     //m/s
+            Vfi=Vfo;
+            Vo=Vfo;
+     //As the Diameter of rotor at entry is Twice that at exit,
+            Do_by_Di=2;
+
+
+//Computations:-
+              Vwi=(1-R)*2*ui;      //m/s
+              beta_i=180-atand(Vfi/(ui-Vwi));       //degrees
+              uo=ui/Do_by_Di;      //Velocity of Runner at Outlet, m/s
+              beta_o=atand(Vfo/uo);         //degrees
+               
+
+//Results:-
+     printf("The Blade Angle at Entry, beta_i=%.2f Degrees\n",beta_i)        //The Answer Vary due to Round off Error
+     printf("The Blade angle at Exit, beta_o=%.3f Degrees \n",beta_o)
+
+