Electrostatic Fluid Accelerator under High-Speed Free Air Stream

The electrostatic fluid accelerator (EFA) generates ionic wind with a simple structure that barely obstructs the free air stream or produce excessive noise. This paper presents the velocity characteristics of an EFA under a high speed free air stream to simulate an EFA‐powered propulsor. The results...

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Bibliographic Details
Published in:Contributions to plasma physics (1988) 2016-11, Vol.56 (10), p.951-958
Main Authors: Wen, T. Y., Lindgren, K., Mamishev, A. V.
Format: Article
Language:English
Subjects:
Accelerators
Electrostatics
Fluids
free stream
High speed
Ionic wind
Noise
Resultants
Simulation
Streams
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Summary:The electrostatic fluid accelerator (EFA) generates ionic wind with a simple structure that barely obstructs the free air stream or produce excessive noise. This paper presents the velocity characteristics of an EFA under a high speed free air stream to simulate an EFA‐powered propulsor. The results show that when the EFA generates identical velocity to the free air stream, the EFA contributes 25% of the resultant velocity. When the EFA is replaced by a rotary fan that generates identical velocity to the free air stream, the fan contributes only 13.4% of the resultant velocity. (© 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
ISSN:0863-1042
1521-3986
DOI:10.1002/ctpp.201600013