Transactions of the Visualization Society of Japan Vol. 37(2017) No. 6

Control of Jet by the Coaxial Type DBD Plasma Actuator
― Change Vortex Structure of Jet by Burst Actuation ―

Masato AKIMOTO, Hiroki MATSUMORI, Motoaki KIMURA

Released: June 30, 2017

p.21-31

In this study, jet control using the coaxial type DBD plasma actuator (=DBD-PA). DBD-PA was driven by burst modulation to control the jet of Reynolds number 1000 ～ 10000. As a result, the phenomenon of lock-in occurred in that the vortex synchronized with the burst modulation drive frequency of the DBD-PA. By driving the DBD-PA with burst modulation, it is possible to generate the axisymmetric vortex at an arbitrary frequency by the phenomenon of lock-in of the jet. In addition, the phenomenon of lock-in arise that two axisymmetric vortices are stably paired and the streamwise vortex grows large. At lower burst modulation drive frequency where the phenomenon of lock-in occurs, separately generated are vortices due to the induced flow of DBD-PA and instability of the shear layer exerted by vortex of induced flow. At higher burst modulation drive frequency where the phenomenon of lock-in occurs, some small fine vortices are scattered.

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Transactions of the Visualization Society of Japan

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Transactions of the Visualization Society of Japan Vol. 37(2017) No. 6

Control of Jet by the Coaxial Type DBD Plasma Actuator
― Change Vortex Structure of Jet by Burst Actuation ―

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Announcement From J-STAGE

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Volume And Issue List Transactions of the Visualization Society of Japan

Predecessor

Transactions of the Visualization Society of Japan Vol. 37(2017) No. 6

Control of Jet by the Coaxial Type DBD Plasma Actuator ― Change Vortex Structure of Jet by Burst Actuation ―

System Maintenance

Announcement From J-STAGE

Journal Tools

Share this Title

Volume And Issue List
Transactions of the Visualization Society of Japan

Control of Jet by the Coaxial Type DBD Plasma Actuator
― Change Vortex Structure of Jet by Burst Actuation ―