//Length of Al tubing (in ft):
L=500;
//Volume flow rate of pump output(in gpm):
Q=1500;
//Discharge pressure(in psig):
p1=65;
//Sprinkler pressure(in psig):
p2=30;
//Kinematic viscosity(in ft^2/sec):
v=1.21*10^-5;
//Density(in slug/ft^3):
p=1.94;