# Question: show that nondimensionally we can write the power of hydraulic...

###### Question details

Show that non-dimensionally, we can write the power of hydraulic machines as:

if the power, P, depends only on the angular speed, ω, wheel diameter, D, volume flow rate, Q, surface roughness of the rotating element, e, fluid density, ρ, and viscosity, µ, of the working fluid.

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