Development and characterization of plasma actuators for high-speed jet control

Active control of high Reynolds number and high-speed jets has been hampered due to the lack of suitable actuators. Some of the attributes that would make an actuator suitable for such flows are: high amplitude and bandwidth; small size for distribution around the jet; phase-locking ability for jet...

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Bibliographic Details
Published in:Experiments in fluids 2004-10, Vol.37 (4), p.577-588
Main Authors: SAMIMY, M, ADAMOVICH, I, WEBB, B, KASTNER, J, HILEMAN, J, KESHAV, S, PALM, P
Format: Article
Language:English
Subjects:
Actuators
Exact sciences and technology
Filaments
Flow control
Fluid dynamics
Fluid flow
Fluids
Fundamental areas of phenomenology (including applications)
High Reynolds number
High speed
High-reynolds-number turbulence
Instrumentation for fluid dynamics
Jets
Physics
Ruggedness
Turbulent flows, convection, and heat transfer
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Summary:Active control of high Reynolds number and high-speed jets has been hampered due to the lack of suitable actuators. Some of the attributes that would make an actuator suitable for such flows are: high amplitude and bandwidth; small size for distribution around the jet; phase-locking ability for jet azimuthal mode forcing; and sufficient ruggedness for hot jets. We have been developing a class of actuators termed alocalized arc filament plasma actuators,a which possess such characteristics. In this paper, we present the development and characterization of these actuators as well as preliminary results on their applications in high Reynolds number Mach 0.9 and ideally expanded Mach 1.3 jets.
ISSN:0723-4864
1432-1114
DOI:10.1007/s00348-004-0854-7