//Nozzle exit diameter(in mm):
D=25;
//N/R1 value value:
N_R=3;
//AR value:
A_R=2;
//Static head available from the main(in m):
z0=1.5;
//Acceleration due to gravity(in m/sec^2):
g=9.8;
//Value of Cp:
Cp=0.45;