//Chapter-4, Illustration 16, Page 205 //Title: Steam Nozzles and Steam Turbines //============================================================================= clc clear //INPUT DATA C1=375;//Steam velocity in m/s a1=20;//Nozzle angle U=165;//Blade speed in m/s m=1;//Mass flow rate of steam in kg/s Wr=0.85;//Blade friction factor Ca1=130;//Axial velocity at inlet from the velocity triangle in m/s Ca2=Ca1;//Axial velocity at outlet in m/s W1=230;//Relative velocity at inlet from the velocity triangle in m/s Cx=320;//Change in whirl velocity from the velocity triangle in m/s //CALCULATIONS b2=41;//Blade angle at exit from the velocity triangle in degrees b1=34;//Blade angle at exit from the velocity triangle in degrees W=(m*Cx*U)/1000;//Power developed by turbine in kW //OUTPUT mprintf('Blade angles assumed are %3.0f degrees,%3.0f degrees \n Power developed by turbine is %3.1f kW',b1,b2,W) //==============================END OF PROGRAM=================================