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Analysis and control of square back Amed body wake : drag reduction
1 : Laboratoire PRISME
(PRISME)
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Université d'Orléans : EA4229, INSA Centre Val de Loire
8, rue Léonard de Vinci 45072 Orléans Cédex 2 -
France
This paper presents experimental and numerical simulation results of the near wake of a square back Ahmed body in view of investigating different control strategies in order to reduce the aerodynamic drag. Main objectives are to increase the knowledge of the complex unsteady wake emitted at the model back in order to discuss optimal control parameters to be selected for synthetic jet actuators modeled in the numerical simulation. This work is focused on the recirculation zone that develops in the near wake of the model. Experimental flow characterisation was done. Numerical simulation has been also done to complete the characterisation and to test the effect of a synthetic jet actuator on the development of the wake.
