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+// Display mode
+mode(0);
+// Display warning for floating point exception
+ieee(1);
+clear;
+clc;
+disp("Turbomachinery Design and Theory,Rama S. R. Gorla and Aijaz A. Khan, Chapter 3, Example 13")
+disp("Outer diameter, D2 = 1.4m")
+disp("Inner diameter, D1 = 0.7m")
+disp("Angle at which the water enters the vanes, alpha1 = 12 degrees")
+disp("Velocity of flow at inlet,")
+Cr2 = 2.8
+Cr1 = Cr2
+disp("As the vanes are radial at inlet and outlet end, the velocity of whirl at inlet and outlet will be zero, as shown in Fig. 3.21.")
+disp("Tangential velocity of wheel at inlet,")
+alpha1 = 12
+U1 = Cr1/tan(alpha1*%pi/180)
+D2 = 1.4
+N = 60*U1/(%pi*D2)
+disp("Let beta2 is the vane angle at outlet")
+D1 = 0.7
+U2 = %pi*D1*N/60
+disp("From Outlet triangle,")
+beta2 = atan(Cr2/U2)*180/%pi