//Chapter-4, Illustration 20, Page 210 //Title: Steam Nozzles and Steam Turbines //============================================================================= clc clear //INPUT DATA C1=600;//Steam velocity in m/s b1=30;//Blade angle at inlet in first stage in degrees b2=30;//Blade angle at exit in first stage in degrees b3=30;//Blade angle at inlet in second stage in degrees b4=30;//Blade angle at exit in second stage in degrees a4=90;//Nozzle angle in second stage in degrees m=3;//Mass of steam in kg/s x=15;//Length for drawing velocity triangle in mm y=56;//Length of BC from the velocity triangle in mm //CALCUALTIONS C1n=C1/y;//Velocity of steam in m/s U=x*C1n;//Blade speed in m/s l=103;//Length from velocity triangle in mm P=(m*l*C1n*U)/1000;//Power developed in kW //OUTPUT mprintf('Blade speed is %3.1f m/s \n Power developed by the turbine is %3.2f kW',U,P) //==============================END OF PROGRAM=================================