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//Example 8-07 Pumping Water through Two Parallel Pipes
rho = 998 //density of water [kg/m^3]
mu = 1.002 * 10**-3 //dynamic viscosity of water [kg/m.s]
epsilon = 0.000045 //roughness for steel pipe[m]
Wdot_elect = 8000 //electricity consumed by pump [W]
eta = 70 //efficiency of motor-pump combination [%]
z_A = 5 //elevation of input reservoir [m]
z_B = 13 //elevation of output reservoir [m]
D_1 = 4 //diameter of pipe 1 [cm]
D_2 = 8 //diameter of pipe 2 [cm]
L_1 = 36 //length of pipe 1 [m]
L_2 = 36 //length of pipe 2 [m]
g = 9.81 //gravitational acceleration [m^2/s]
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