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Experimental Characterization of Sub-Millimetric Fluidic Actuators: Application to Boundary Layer Separation Control

Abstract : Sub-millimetric synthetic, continuous, and pulsed-jet actuators under identical conditions of generation are experimentally compared. Particle image velocimetry and hot-wire anemometry were used for measuring the velocity field. In the second part of the article, the interaction of these three types of actuators with a transverse external flow is characterized using the same experimental techniques. The studied plate is bended downstream from the actuator. Two angles are studied—0° and 28°. The efficiency of the fluidic action on the reattachment of the boundary layer is shown to be strongly dependant on the type of the jet.
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https://hal.archives-ouvertes.fr/hal-02193220
Contributor : Pierre Naegelen <>
Submitted on : Wednesday, July 24, 2019 - 12:07:21 PM
Last modification on : Wednesday, June 24, 2020 - 4:18:57 PM

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Ahmad Batikh, Lucien Baldas, R. Caen, W. Ghozlani, A. Kourta. Experimental Characterization of Sub-Millimetric Fluidic Actuators: Application to Boundary Layer Separation Control. Experimental Heat Transfer, Taylor & Francis, 2010, 23 (1), pp.4--26. ⟨10.1080/08916150903402716⟩. ⟨hal-02193220⟩

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