//Inlet gauge pressure(in kPa):
p=20;
//Volume flow rate of water through the sprinkler(in l/min):
Q=7.5;
//Speed of rotstion of sprinkler(in rpm):
w=30;
//Diameter of jet f sprinkle(in mm):
D=4;
//Radius of sprinkler(in mm):
R=150;
//Supply pressure to sprinkler(in kPa):
p=20;
//Angle at which jet is sprayed wrt horizontal:
alpha=30;
//Density of water(in kg/m^):
d=999;