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Experimental determination of the main features of the viscous flow in the wake of a circular cylinder in uniform translation. Part 2. Unsteady flow

Published online by Cambridge University Press:  11 April 2006

Madeleine Coutanceau  and
Roger Bouard
Madeleine Coutanceau
Affiliation:
Laboratoire de Mécanique des Fluides, Université de Poitiers, France
Roger Bouard
Affiliation:
Laboratoire de Mécanique des Fluides, Université de Poitiers, France
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Abstract

The plane flow induced by the impulsive start of a circular cylinder previously at rest in a still fluid is investigated experimentally by a visualization technique. The details of the flow field at the different stages of its establishment are pointed out, and the effect of the wall upon the evolution of the flow in time is examined. Photographs of the flow patterns are presented. This study corresponds to that range of Reynolds numbers for which a closed wake exists and adheres stably to the cylinder.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 79 , Issue 2 , 22 February 1977 , pp. 257 - 272
Copyright
© 1977 Cambridge University Press

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