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Effects of wall compliance on the laminar–turbulent transition of torsional Couette flow

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Cros, A., Ali, Reza, Le Gal, P., Thomas, P. J., Schouveiler, L., Carpenter, P. W. and Chauve, M. P. (2003) Effects of wall compliance on the laminar–turbulent transition of torsional Couette flow. Journal of Fluid Mechanics, Vol.481 . pp. 177-186. doi:10.1017/S0022112003003999

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Official URL: http://dx.doi.org/10.1017/S0022112003003999

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Abstract

Torsional Couette flow between a rotating disk and a stationary wall is studied experimentally. The surface of the disk is either rigid or covered with a compliant coating. The influence of wall compliance on characteristic flow instabilities and on the laminar–turbulent flow transition is investigated. Data obtained from analysing flow visualizations are discussed. It is found that wall compliance favours two of the three characteristic wave patterns associated with the transition process and broadens the parameter regime in which these patterns are observed. The results for the effects of wall compliance on the third pattern are inconclusive. However, the experiments indicate that the third pattern is not a primary constituent of the laminar–turbulent transition process of torsional Couette flow.

Item Type: Journal Article
Subjects: Q Science > QA Mathematics
Divisions: Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH): Turbulence, Laminar flow, Boundary layer, Torsion theory (Algebra), Fluid mechanics
Journal or Publication Title: Journal of Fluid Mechanics
Publisher: Cambridge University Press
ISSN: 0022-1120
Official Date: 28 April 2003
Dates:
DateEvent
28 April 2003Published
Volume: Vol.481
Page Range: pp. 177-186
DOI: 10.1017/S0022112003003999
Status: Peer Reviewed
Access rights to Published version: Open Access
Funder: Royal Society (Great Britain), Centre national de la recherche scientifique (France) (CNRS)

Data sourced from Thomson Reuters' Web of Knowledge

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