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Aerodynamic Flow Separation Control of Bridge Deck Sections Using Plasma Actuators

[+] Author Affiliations
Kazutoshi Matsuda, Kusuo Kato

Kyushu Institute of Technology, Kitakyushu, Japan

Paper No. PVP2015-45140, pp. V004T04A019; 7 pages
  • ASME 2015 Pressure Vessels and Piping Conference
  • Volume 4: Fluid-Structure Interaction
  • Boston, Massachusetts, USA, July 19–23, 2015
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5697-0
  • Copyright © 2015 by ASME


In order to suppress wind-induced vibrations of bridge girders, two general methods are applied: aerodynamic and mechanical countermeasures. In this study, a new approach to suppress wind-induced vibrations, “a dielectric barrier discharge (DBD) plasma actuator”, was investigated through wind tunnel experiments to determine its potential as a device for flow control around bridge deck sections. This approach is already in use in other fields, such as in the fluid dynamics flow control for separation control in wing surface flow. In this study, it was found that there is a possibility that DBD plasma actuators could be used in the future as the devices for suppressing wind-induced vibrations of bridge girders.

Copyright © 2015 by ASME



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