The Proceedings of Mechanical Engineering Congress, Japan
Online ISSN : 2424-2667
ISSN-L : 2424-2667
2021
Session ID : S051-13
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Circular jet with annular backflow using DBD plasma actuator
*Norimasa MiyagiMotoaki KimuraAkinori Muramatsu
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Abstract

In this study, the influence of the direction of the backward plasma-induced flow generated by a plasma actuator (PA) on the jet flow was investigated. In the case of the backflow PA, the centerline velocity was increased by the contraction of the main flow near the nozzle exit due to the influence of the backflow. Furthermore, it was conducted experiments by changing Re = 1,000 (the effect of the induced flow is large) and Re = 3,000 (the effect of the induced flow is small), and confirmed the difference in the jet diffusion due to induced flow effect.

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© 2021 The Japan Society of Mechanical Engineers
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