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Global nonlinear dynamics of thin aerofoil wakes

Pier, B and Peake, N (2010) Global nonlinear dynamics of thin aerofoil wakes. IUTAM Bookseries, 18. pp. 319-324. ISSN 1875-3507

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Abstract

In the present investigation of thin aerofoil wakes we compare the global nonlinear dynamics, obtained by direct numerical simulations, to the associated local instability features, derived from linear stability analyses. A given configuration depends on two control parameters: the Reynolds number Re and the adverse pressure gradient m (with m < 0) prevailing at the aerofoil trailing edge. Global instability is found to occur for large enough Re and |m|; the naturally selected frequency is determined by the local absolute frequency prevailing at the trailing edge. © 2010 Springer Science+Business Media B.V.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div A > Energy
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 12:33
Last Modified: 08 Dec 2014 02:39
DOI: 10.1007/978-90-481-3723-7-51