Hydraulics and Fluid Mechanics in ME
When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)

0.5 a. √2gH
0.707 a. √2gH
0.855 a. √2gH
√2gH

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Hydraulics and Fluid Mechanics in ME
Reynolds number is significant in

full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc
All of these
simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls
supersonics, as with projectile and jet propulsion

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