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Control of vortex shedding on two- and three-dimensional aerofoils

Colonius, Tim and Williams, David R. (2011) Control of vortex shedding on two- and three-dimensional aerofoils. Philosophical Transactions A: Mathematical, Physical and Engineering Sciences, 369 (1940). pp. 1525-1539. ISSN 1364-503X . https://resolver.caltech.edu/CaltechAUTHORS:20110328-100709222

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Abstract

We review and expand on the control of separated flows over flat plates and aerofoils at low Reynolds numbers associated with micro air vehicles. Experimental observations of the steady-state and transient lift response to actuation, and its dependence on the actuator, aerofoil geometry and flow conditions, are discussed and an attempt is made to unify them in terms of their excitation of periodic and transient vortex shedding. We also examine strategies for closed-loop flow and flight control using actuation of leading-edge vortices.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1098/rsta.2010.0355 DOIArticle
http://rsta.royalsocietypublishing.org/content/369/1940/1525.abstractPublisherArticle
ORCID:
AuthorORCID
Colonius, Tim0000-0003-0326-3909
Additional Information:© 2011 The Royal Society. One contribution of 15 to a Theme Issue ‘Flow-control approaches to drag reduction in aerodynamics: progress and prospects’. Our work was supported by the US AFOSR under grants FA9550-05-1-0369 and FA9550-09-1-0189. We wish to thank Prof. Clancy Rowley, Prof. Gilead Tadmor, Mr Vien Quach and Mr Wesley Kerstens for their important contributions. We are also indebted to Prof. Rudibert King for his important contributions in developing the closed-loop controllers.
Funders:
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)FA9550-05-1-0369
Air Force Office of Scientific Research (AFOSR)FA9550-09-1-0189
Subject Keywords:vortex shedding; flow control; micro air vehicles; lift enhancement
Issue or Number:1940
Record Number:CaltechAUTHORS:20110328-100709222
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20110328-100709222
Official Citation:Tim Colonius and David R. Williams Control of vortex shedding on two-and three-dimensional aerofoils Phil. Trans. R. Soc. A April 13, 2011 369:1525-1539; doi:10.1098/rsta.2010.0355
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:23120
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:29 Mar 2011 20:49
Last Modified:03 Oct 2019 02:43

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