Hydraulics and Fluid Mechanics in ME
Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters)

wQ (Hs - Hd)
wQHs
wQ (Hs + Hd)
wQHd

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Hydraulics and Fluid Mechanics in ME
In an inward flow reaction turbine

The water enters the wheel at the outer periphery and then flows towards the center of the wheel
The water enters at the center of the wheel and then flows towards the outer periphery of the wheel
The flow of water is partly radial and partly axial
The water flows parallel to the axis of the wheel

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