Control of separation from the flap of a high-lift airfoil with DBD plasma actuation

Jesse C Little, Mo Samimy

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

The efficacy of a single dielectric barrier discharge (DBD) plasma actuator for controlling separation from the deflected flap of a high-lift airfoil is investigated between Reynolds numbers of 240,000 (15 m/s) and 750,000 (45 m/s). Calculated momentum coefficients for the DBD plasma actuator are approximately an order of magnitude lower than those usually employed for such studies yet control authority is still realized through amplification of natural vortex shedding from the flap shoulder that promotes momentum transfer between the freestream and separated region. The corresponding lift enhancement is found to be primarily due to increased circulation around the entire model rather than full reattachment to the deflected flap surface. As a whole, these findings compare favorably to studies on a similar high-lift platform using piezoelectric driven zero net mass flux actuation.

Original languageEnglish (US)
Title of host publication48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition
StatePublished - 2010
Externally publishedYes
Event48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition - Orlando, FL, United States
Duration: Jan 4 2010Jan 7 2010

Other

Other48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition
CountryUnited States
CityOrlando, FL
Period1/4/101/7/10

Fingerprint

Airfoils
Plasmas
Actuators
Momentum transfer
Vortex shedding
Amplification
Momentum
Reynolds number
Mass transfer

ASJC Scopus subject areas

  • Aerospace Engineering

Cite this

Little, J. C., & Samimy, M. (2010). Control of separation from the flap of a high-lift airfoil with DBD plasma actuation. In 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition [2010-1088]

Control of separation from the flap of a high-lift airfoil with DBD plasma actuation. / Little, Jesse C; Samimy, Mo.

48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition. 2010. 2010-1088.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Little, JC & Samimy, M 2010, Control of separation from the flap of a high-lift airfoil with DBD plasma actuation. in 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition., 2010-1088, 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition, Orlando, FL, United States, 1/4/10.
Little JC, Samimy M. Control of separation from the flap of a high-lift airfoil with DBD plasma actuation. In 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition. 2010. 2010-1088
Little, Jesse C ; Samimy, Mo. / Control of separation from the flap of a high-lift airfoil with DBD plasma actuation. 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition. 2010.
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