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Experiments in Fluids
Erschienen in: Experiments in Fluids 6/2003

01.12.2003 | Original

Control of the near-wake flow around a circular cylinder with electrohydrodynamic actuators

verfasst von: G. Artana, R. Sosa, E. Moreau, G. Touchard

Erschienen in: Experiments in Fluids | Ausgabe 6/2003

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Abstract

We analysed the modifications of the near wake of a circular cylinder (2,300< Re <58,000) when the flow was perturbed steadily using an electrohydrodynamic actuator. Two electrodes flush-mounted on the surface of the cylinder were excited with DC power supplies to create a plasma sheet contouring the body. The discharge produced an electric force and changed the physical properties in the fluid layers at close vicinity to the surface. This plasma sheet diminished the base pressure, modified the size of the mean recirculation region and produced an increase in the shear stresses of the layers bounding the contour of this region.
Vorheriger Artikel Dual optical fibre measurements of the particle concentration in gas/solid flows
Nächster Artikel Fluctuations of bed load solid discharge and grain size distribution on steep slopes with image analysis

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Metadaten
Titel
Control of the near-wake flow around a circular cylinder with electrohydrodynamic actuators
verfasst von
G. Artana
R. Sosa
E. Moreau
G. Touchard
Publikationsdatum
01.12.2003
Verlag
Springer-Verlag
Erschienen in
Experiments in Fluids / Ausgabe 6/2003
Print ISSN: 0723-4864
Elektronische ISSN: 1432-1114
DOI
https://doi.org/10.1007/s00348-003-0704-z

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