Dielectric barrier discharge induced boundary layer suction

S. Im, M. A. Cappelli

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5 Citations (Scopus)


Boundary layer downdraft suction and through-surface fluid removal is demonstrated with a streamwise oriented dielectric barrier discharges fabricated into a flat plate immersed in a 3.8 m/s freestream flow (Re = 72000). The velocity field is obtained by particle image velocimetry. Suction with through-surface fluid removal is found to thin the boundary layer and increases the velocity gradient in the vicinity of the wall by extracting slower fluid from the inner layer region. The effect of this suction on the boundary layer persists away from the center of the exposed electrode without inducing significant disturbances to the freestream flow.

Original languageEnglish
Article number264103
JournalApplied Physics Letters
Issue number26
Publication statusPublished - 2012 Jun 25
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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