MATEC Web Conf.
Volume 286, 201914th Congress of Mechanics (CMM2019)
|Number of page(s)||3|
|Section||Fluid Mechanics, Rheology, Modeling, Instabilities and Transition|
|Published online||14 August 2019|
Transport mechanisms inside the turbulent wake of a bluff body
Univ. Orléans, INSA-CVL, PRISME 8 rue Léonard de Vinci 45072 Orléans, France
Based on the recent work of Stella et al. on the bidimensional (2D) flow behind a ramp [11, 10], the present paper aims at analysing the entrainment phenomenon in a three-dimensional (3D) turbulent wake downstream of a bluﬀ-body. Numerical and experimental data of diﬀerent configurations of the Ahmed body are investigated. This study is part of a framework on the aerodynamic drag reduction for ground vehicles by defining proper and realistic control laws derived from the entrainment.
Key words: turbulent shear flow / aerodynamics / bluﬀ body / experiment / flow control
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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