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9 - Plasma Actuator

Published online by Cambridge University Press:  14 December 2018

Jinjun Wang
Affiliation:
Beijing University of Aeronautics and Astronautics
Lihao Feng
Affiliation:
Beijing University of Aeronautics and Astronautics
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Summary

The plasma actuator is an effective device that could be used for active flow control. There are different kinds of plasma actuators, such as DBD plasma actuator, surface corona discharge actuator, and plasma spark-jet actuator, and the DBD plasma actuators are paid particular attention. The two main features of the DBD plasma actuator are that it can induce a wall jet and a starting vortex. Firstly, the conventional applications of the plasma actuators are introduced. The plasma actuator can delay laminar to turbulence transition. It can also delay or eliminate flow separation, and thus improve aerodynamic performance of airfoils, straight wings, delta wings, aircraft, and bluff bodies. On the other hand, some novel flow control conceptions based on plasma actuators are also introduced, including plasma synthetic jet, plasma Gurney flap, plasma circulation control, plasma vortex generator. It has been indicated that those techniques could achieve similar control effects to traditional techniques. Meanwhile, plasma-based techniques are easier to conduct in real-time and unsteady active control, and more convenient to implement than conventional techniques. Finally, the disadvantages of DBD plasma actuators and their solutions are discussed.

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  • Plasma Actuator
  • Jinjun Wang, Lihao Feng
  • Book: Flow Control Techniques and Applications
  • Online publication: 14 December 2018
  • Chapter DOI: https://doi.org/10.1017/9781316676448.010
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  • Plasma Actuator
  • Jinjun Wang, Lihao Feng
  • Book: Flow Control Techniques and Applications
  • Online publication: 14 December 2018
  • Chapter DOI: https://doi.org/10.1017/9781316676448.010
Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Plasma Actuator
  • Jinjun Wang, Lihao Feng
  • Book: Flow Control Techniques and Applications
  • Online publication: 14 December 2018
  • Chapter DOI: https://doi.org/10.1017/9781316676448.010
Available formats
×