Dynamic Stall Control by Undulatory Deformation

Lan Ge; Wen Rong Hu

doi:10.4028/www.scientific.net/AMM.444-445.299

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 444-445Dynamic Stall Control by Undulatory Deformation

Dynamic Stall Control by Undulatory Deformation

Abstract:

Dynamic stall can delay the stall of wings and airfoils that are rapidly pitched beyond the static stall angle. A new method of active dynamic stall control by the undulatory foil was proposed in this paper. The study was based on solving unsteady Reynolds-Average Navier-Stokes equations. Comparisons of the effectiveness of pitching foils and undulatory foils on dynamic stall control in both light stall and deep stall were conducted. The undulatory foils with various controllable parameters were further discussed. The results showed that the performance of undulatory foils is much better than that of the rigid pitching foil at high angles of attack either in the light stall or in the deep stall situation.

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Periodical:

Applied Mechanics and Materials (Volumes 444-445)

Pages:

299-303

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.444-445.299

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Online since:

October 2013

Authors:

Lan Ge, Wen Rong Hu

Keywords:

Dynamic Stall, Pitching Wing, Undulatory Foils

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