Coupling active and passive techniques to control the flow past the square back Ahmed body |
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| Authors: | Charles-Henri Bruneau,Emmanuel Creusé ,Delphine Depeyras,Patrick Gillié ron,Iraj Mortazavi |
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| Affiliation: | aIMB, Université Bordeaux 1, Team MC2 INRIA Bordeaux-Sud-Ouest, UMR 5251 CNRS, France;bTeam SIMPAF INRIA Lille Nord Europe, Laboratoire Paul Painlevé, UMR 8524 CNRS, Université Lille 1, Sciences et Technologies, Cité Scientifique, F-59655 Villeneuve d’Ascq, France;cTechnocentre Renault, Direction de La Recherche, Mécanique des fluides et aérodynamique DREAM/DTAA, Code API: TCR AVA 058 1, Avenue du Golf, F-78288 Guyancourt, France |
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| Abstract: | Several active and passive control techniques are used to reduce the drag coefficient of the square back Ahmed body. The results are carefully analyzed and compared to each other. The final goal of this paper is to show that it is possible to couple passive and active control techniques to improve the flow control. In the present study, a drag reduction of 30% is achieved, almost corresponding to the goal of automotive industry. |
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| Keywords: | Flow control Numerical simulation Ahmed body |
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