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10 Result(s)

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  1. No Access

    Article

    Influence of vehicle back shape on wheel-vehicle aerodynamic interactions: a model study

    The influence of vehicle back shape on wheel-vehicle aerodynamic interactions is investigated in a model situation. A pair of D-shaped obstacles is placed under a fast-back or a square-back Windsor body to mim...

    Di Bao, Jacques Borée, Christophe Sicot, Côme Roebroeck in Experiments in Fluids (2024)

  2. No Access

    Article

    On the Use of LES and 3D Empirical Mode Decomposition for Analyzing Cycle-to-Cycle Variations of In-Cylinder Tumbling Flow

    Multi-cycle large-eddy simulation (LES) is performed to investigate cycle-to-cycle variations (CCV) of in-cylinder flow in a single-cylinder spark ignition optically-accessible research engine under motored co...

    Zhihao Ding, Karine Truffin, Stéphane Jay… in Flow, Turbulence and Combustion (2023)

  3. No Access

    Article

    Transient dynamical effects induced by single-pulse fluidic actuation over an airfoil

    Flow control experiments on a NACA 0015 airfoil using pulsed vortex generator jets (PVGJs) are carried out at a chord-based Reynolds number of ...

    Armando Carusone, Christophe Sicot, Jean-Paul Bonnet… in Experiments in Fluids (2021)

  4. No Access

    Chapter and Conference Paper

    On the Transient Effects Induced by Jet Actuation Over an Airfoil

    Flow control experiments using pulsed vortex generator jets (PVGJs) are carried out to improve the performance and maneuverability of a NACA 0015 airfoil. The analysis, which is mainly provided for fully separ...

    Armando Carusone, Christophe Sicot… in Fluid-Structure-Sound Interactions and Con… (2021)

  5. No Access

    Article

    Drag reduction of a car model by linear genetic programming control

    We investigate open- and closed-loop active control for aerodynamic drag reduction of a car model. Turbulent flow around a blunt-edged Ahmed body is examined at

    Ruiying Li, Bernd R. Noack, Laurent Cordier, Jacques Borée… in Experiments in Fluids (2017)

  6. No Access

    Article

    Feedback control of bimodal wake dynamics

    Feedback control is applied to symmetrize the bimodal dynamics of a turbulent blunt body wake. The flow is actuated with two lateral slit jets and monitored with pressure sensors at the rear surface. The physi...

    Ruiying Li, Diogo Barros, Jacques Borée, Olivier Cadot… in Experiments in Fluids (2016)

  7. No Access

    Article

    Influence of afterbody rounding on the pressure distribution over a fastback vehicle

    Experimental analyzes were performed to understand the drag evolution and the flow field modifications resulting from afterbody rounding on the Ahmed body, a simplified vehicle model with 25 degrees rear slan...

    Giacomo Rossitto, Christophe Sicot, Valérie Ferrand, Jacques Borée… in Experiments in Fluids (2016)

  8. No Access

    Article

    Cluster-based analysis of cycle-to-cycle variations: application to internal combustion engines

    We define and illustrate a cluster-based analysis of cycle-to-cycle variations (CCV). The methodology is applied to engine flow but can clearly be valuable for any periodically driven fluid flow at large Reyn...

    Yujun Cao, Eurika Kaiser, Jacques Borée, Bernd R. Noack… in Experiments in Fluids (2014)

  9. No Access

    Article

    Unsteady near wake of a flat disk normal to a wall

    The unsteady wake of a flat disk (diameter D) located at a distance of H from a flat plate has been experimentally investigated at a Reynolds number Re D ...

    Tony Ruiz, Christophe Sicot, Laurent E. Brizzi, Janick Laumonier… in Experiments in Fluids (2009)

  10. No Access

    Chapter

    LES, Zonal and Seamless Hybrid LES/RANS: Rationale and Application to Free and Wall-Bounded Flows Involving Separation and Swirl

    An overview is given of the activities in the framework of the German-French Research Group on ”LES of Complex Flows” (DFG-CNRS FOR 507) with respect to the development of zonal and seamless hybrid LES/RANS co...

    Suad Jakirlić, Rémi Manceau, San** Šarić… in Numerical Simulation of Turbulent Flows an… (2009)