//Example 5-3 Performance of Hydraulic Turbine-Generator
h = 50 //depth of water [m]
mdot = 5000 //water mass flow rate [kg/s]
Wdot_elect = 1862 //electricity generated [kW]
eta_generator = 95 //generator efficiency [%]
rho = 1000 //density of water [kg/m^3]
g = 9.81 //gravitational acceleration [m/s^2]