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Archimedes principle in a rotating compressible fluid

P Y Chu, D S Chuu, C S Han and T J Yang

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The Archimedes principle is studied for the situation of an object in a compressible fluid which is rotating uniformly. Viewed from the rotating frame, the body experiences a force which is analogous to the buoyancy force in fluid statics, and it has the same form as is the case when the fluid is incompressible. The derivation of the buoyancy force helps to provide a deeper understanding of the Archimedes principle.


PACS

47.32.-y Vortex dynamics; rotating fluids

47.10.+g General theory

47.20.Bp Buoyancy-driven instability

Subjects

Fluid dynamics

Mathematical physics

Dates

Issue 1 (January 1992)



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