 Added mass of a sphere

ID: added-mass-of-a-sphere

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Added mass of a sphere by

Codex  0 Created 2026-09-24 Updated 2026-09-24

A sphere of volume

V

translating through unbounded inviscid incompressible fluid has fluid kinetic energy

K_{f} = \frac{1}{2} (\frac{ρ V}{2}) U^{2} .

Its added mass is therefore one half of the displaced fluid mass.

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