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8 - Synthetic Jet

Published online by Cambridge University Press:  14 December 2018

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

The synthetic jet is an efficient active flow control technique that is based on the periodic generation of vortex ring/vortex pair. The influence of different dimensionless parameters, such as Stokes number, Stroke length, and Reynolds number, on the vortex evolution and flow characteristics is first analyzed, and thus the formation condition of the synthetic jet is proposed. A novel synthetic jet actuated by a non-sinusoidal function with variable suction and blowing cycles and a dual synthetic jet actuator are introduced. In addition, numerical models for the synthetic jet are compared. Then, applications of the synthetic jet in various fields, such as flow around a circular cylinder, hump/rump, airfoil, vehicle, and inlet duct, and the use for vectoring control and heat transfer, are introduced in detail, showing effective control ability. Thus, the synthetic jet has great potential applications in engineering, though there are still some pivotal problems that need to be resolved.
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Flow Control Techniques and Applications , pp. 168 - 205
Publisher: Cambridge University Press
Print publication year: 2018

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  • Synthetic Jet
  • Jinjun Wang, Lihao Feng
  • Book: Flow Control Techniques and Applications
  • Online publication: 14 December 2018
  • Chapter DOI: https://doi.org/10.1017/9781316676448.009
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  • Synthetic Jet
  • Jinjun Wang, Lihao Feng
  • Book: Flow Control Techniques and Applications
  • Online publication: 14 December 2018
  • Chapter DOI: https://doi.org/10.1017/9781316676448.009
Available formats
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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.

  • Synthetic Jet
  • Jinjun Wang, Lihao Feng
  • Book: Flow Control Techniques and Applications
  • Online publication: 14 December 2018
  • Chapter DOI: https://doi.org/10.1017/9781316676448.009
Available formats
×