Memoirs of the Faculty of Engineering, Yamaguchi University

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Memoirs of the Faculty of Engineering, Yamaguchi University Volume 52 Issue 2
published_at 2002-03

The Development Process of Self-Sustained Oscillatory Flow in a Grooved Channel

くぼみ付き流路内自律振動流の発達過程
Kunitsugu Koji
Nishimura Tatsuo
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A030052000214.pdf
About This Article
Descriptions
The development process of self-sustained oscillation in a grooved channel, in the stream-wise direction, is studied by the electrochemical method. The unsteady wall shear stress measurements show that the flow periodicity in the stream-wise direction is preserved after the onset of the self-sustained oscillation. However, as the Reynolds number is further increased, the flow periodicity is not kept and the magnitude of unsteadiness increases in the downstream direction.
Creator Keywords
Grooved Channel
Self-Sustained Oscillation
Wall Shear Stress
Electrochemical Method
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