Published November 1993
| Published
Journal Article
Open
The force on a sphere in a uniform flow with small-amplitude oscillations at finite Reynolds number
- Creators
- Lovalenti, Phillip M.
-
Brady, John F.
Chicago
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Abstract
The unsteady force acting on a sphere that is held fixed in a steady uniform flow with small-amplitude oscillations is evaluated to O(Re) for small Reynolds number Re. Good agreement is shown with the numerical results of Mei, Lawrence & Adrian (1991) up to Re [approximate] 0.5. The analytical result is transformed by Fourier inversion to allow for an arbitrary time-dependent motion which is small relative to the steady uniform flow. This yields a history-dependent force which has an integration kernel that decays exponentially for large time.
Additional Information
Copyright © 1993 Cambridge University Press. Reprinted with permission. (Received 1 December 1992 and in revised form 27 May 1993) P.M.L. would like to acknowledge Rockwell International for their support through a Rockwell graduate research fellowshipAttached Files
Published - LOVjfm93b.pdf
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Additional details
- Eprint ID
- 12045
- Resolver ID
- CaltechAUTHORS:LOVjfm93b
- Rockwell International
- Created
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2008-10-21Created from EPrint's datestamp field
- Updated
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2021-11-08Created from EPrint's last_modified field