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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. ISSN 0022-1120

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

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:

Date	Event
28 April 2003	Published

Volume:

Vol.481

Page Range:

pp. 177-186

Identification Number:

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)

References:

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