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+
+clc
+clear
+//Input data
+R=50//Percentage of reaction
+b1=35//Angle in degrees
+q=b1//Angle in degrees
+b2=20//Angle in degrees
+a=b2//Angle in degrees
+N=1500//Speed in rpm
+d=0.67//Mean diameter in m
+p=1.5//Pressure in bar
+x=0.96//Dryness fraction
+w=3.6//Flow rate in kg/s
+
+//Calculations
+Vb=(3.14*d*N)/60//Velocity in m/s
+V1=(Vb*(sind(180-b1)/sind(b1-b2)))//Veocity in m/s
+Vr1=(Vb*(sind(b2)/sind(b1-b2)))//Velocity in m/s
+dVw=(V1*cosd(a))+(Vr1*cosd(q))//Velocity in m/s
+v1=(0.001052+x*1.15937)//Specific volume in m^3/kg
+hb=((w*v1)/(3.14*d*V1*sind(a)))*1000//Required height in mm
+P=(w*dVw*Vb)/1000//Power developed in kW
+
+//Output
+printf('(a) the required height of blading is %3.1f mm \n (b) the power developed by the ring is %3.3f kW',hb,P)