//Tip Diameter in metres:
Dt=1.1;
//Hub Diameter in metres:
Dh=0.8;
//Operating Speed in rpm:
w=1200;
//Absolute inlet angle in degrees:
alpha1=30;
//Blade inlet angle in degrees:
betta1=30; 
//Blade outlet angle in degrees:
betta2=60;
//Density of air in kg/m^3
p=1.23;