流体工学部門講演会講演論文集
Online ISSN : 2424-2896
セッションID: OS3-01
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多関節平板後流の流れ構造の可視化と測定
*山岸 真幸土田 脩斗中川 稜將
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The fluttering characteristics of a multi-articulated flat plate have been investigated experimentally in a wind tunnel. An articulated flat plate oscillates itself in a mean flow, and it has steady oscillating mode. The flow structures around an articulated plate were three-dimensional. In this report, the pair of tip vorticities were focused. From the results of visualization, it was found that the tip vortices were formed from both of the side edges of the plate and flow down. In this report, to capture these tip vortices, flow visualization and hot-wire anemometry were conducted. In order to visualize the tip vortices, smoke wire method with two wires was used. Hot-wire anemometry with X-type probe was conducted in the cross-section behind the fluttering flat pate. Form the visualization, periodic motion of the moving tip vortices was seen. Furthermore, from the results of the hot-wire anemometry, velocity vectors indicated the rotating flow.

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