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Numerical study of drag reduction of a car model by active control using mico-jets

Noele Peres 1 Richard Pasquetti 1, 2
1 JAD - Laboratoire Jean Alexandre Dieudonné
2 CASTOR - Control, Analysis and Simulations for TOkamak Research
CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : The goal of the present work is to evaluate some possibilities of drag reduction of motor vehicles through the integration of a network of micro-jets. To this end, numerical simulations of SVV-LES (Spectral Vanishing Viscosity - Large-Eddy Simulation) type are carried out for the turbulent flow generated by a square back Ahmed body. The results obtained for two different configurations of the drag reduction system show the influence of the presence of the micro-jets on the flow and their ability to significantly reduce the drag forces (up to 10% in case of synthetic micro-jets).
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https://hal.univ-cotedazur.fr/hal-00875715
Contributor : Richard Pasquetti <>
Submitted on : Tuesday, October 22, 2013 - 3:35:31 PM
Last modification on : Tuesday, May 26, 2020 - 6:50:52 PM

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  • HAL Id : hal-00875715, version 1

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CNRS | INRIA | UNICE | DIEUDONNE | UNIV-COTEDAZUR

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Noele Peres, Richard Pasquetti. Numerical study of drag reduction of a car model by active control using mico-jets. CFM 2013 - 21ème Congrès Français de Mécanique, Aug 2013, Bordeaux, France. ⟨hal-00875715⟩

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Université Nice Sophia Antipolis (UNS) Observatoire de la Côte d’Azur (OCA) Centre national de la recherche scientifique (CNRS) Institut national de la recherche en informatique et en automatique (Inria) SKEMA Business School EDHEC Business School  Centre Hospitalier Universitaire de Nice (CHU Nice) Centre National de Création Musicale (CIRM)  Ecole Nationale Supérieure d’Art Villa Arson Ecole Supérieure de Réalisation Audiovisuelle (ESRA) The Sustainable Design School (SDS) Ecole Supérieure de Danse de Cannes Rosella Hightower Conservatoire National à Rayonnement Régional de Nice (CNRR)