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The flow created by a sphere moving along the axis of a rotating, slightly-viscous fluid

Published online by Cambridge University Press:  29 March 2006

T. Maxworthy
T. Maxworthy
Affiliation:
Geophysical Fluid Dynamics Laboratory, University of Southern California, Los Angeles
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Abstract

The title flow has been studied by measuring the drag force on, and by observing the flow field around, a sphere rising through a large, rotating tank of water. Long, almost stagnant, regions are formed up- and downstream within the shadow of the sphere and are surrounded by a thin annular region within which the velocity is larger than the mean velocity of the approach flow. Several regions are found within which vortex-jump phenomena occur and it is concluded that such features exert a controlling influence over the dynamics of the observed flow field.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 40 , Issue 3 , 18 February 1970 , pp. 453 - 479
Copyright
© 1970 Cambridge University Press

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