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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 7, Example 9")
+disp("At 50%.  alpha2 = beta3; alpha3 = beta2")
+U = 340;
+disp("C2 in m/s")
+C2 = U/cos(15*%pi/180)
+disp("Heat drop in blade moving row in Hdrop K")
+C3 = 105;//m/s
+Cp = 1147;
+Hdrop = (C2^2 - C3^2)/(2*Cp)
+disp("Therefore heat drop in a stage")
+Hdropstage = Hdrop *2
+disp("Number of stages n = ")
+n = (1173-943)/Hdropstage
+disp("Therefore No. of stages = 2")