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Reynolds number of the fluid:

Friction Coefficient:

Head loss due to major losses caused by shear:

Head loss due to minor losses caused by flow expansions:

Head loss not multiplied by the velocity head:

Head loss through the manifold:

Flow rate through an orifice:

Diameter of the orifice:

Hagen-Poiseuille flow rate:

Flow rate given an energy dissipation rate:

Flow rate given minor loss:

Weir head loss: