Hydraulics and Fluid Mechanics in ME
The meatcentric height is the distance between the

Metacentre and centre of buoyancy
Original centre of buoyancy and new centre of buoyancy
Centre of gravity of the floating body and the metacentre
Centre of gravity of the floating body and the centre of buoyancy

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Hydraulics and Fluid Mechanics in ME
Reynolds number is significant in

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
full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc

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