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A note on the history force on a spherical bubble at finite Reynolds number (1994)

Mei, Renwei ; Klausner, James F. ; Lawrence, Christopher J.

[S.l.] : American Institute of Physics (AIP)

Physics of Fluids 6 (1994), S. 418-420

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ISSN: 1089-7666

Source: AIP Digital Archive

Topics: Physics

Notes: An approximate expression for the history force on a spherical bubble is proposed for finite Reynolds number, Re. At small time, the history-force kernel is a constant, which decreases with increasing Re, and the kernel decays as t−2 for large time. For an impulsively started flow over a bubble, accurate finite difference results show that the history force on the bubble decays as t−2 at large time. Satisfactory agreement is observed between the presently proposed history force and the numerical solution.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.868039

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