The Proceedings of Mechanical Engineering Congress, Japan
Online ISSN : 2424-2667
ISSN-L : 2424-2667
2023
Session ID : S054-09
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Vortex structure and growth process formed by a sweeping jet and a main flow
*Eisei KobayashiMasaki Fuchiwaki
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Abstract

A fluidic oscillator generates a sweeping jet with high frequency and large amplitude and is characterized by its capability for jet ejection over a wide range and for fluid oscillation by an internal structure that eliminates the need for a drive unit. Recently, the sweeping jet from the fluidic oscillator has attracted attention as an active flow control device. However, there have been no studies on the macro-scale flow structure of the sweeping jet from the fluidic oscillator or the flow mechanism for active flow control. The purpose of the present study is to clarify the macro-scale vortex structure produced by the interaction between the sweeping jet and the main flow by using a numerical simultion.

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© 2023 The Japan Society of Mechanical Engineers
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