年次大会
Online ISSN : 2424-2667
ISSN-L : 2424-2667
セッションID: J0260102
会議情報
J0260102 トンボの翅における微細突起が翅まわりの流れに及ぼす影響
田中 尚之中 尚義橋本 巨
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会議録・要旨集 フリー

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Recently, flight characteristic of dragonfly has been investigated by many researchers. Dragonfly has high flight performances in spite of small size. Dragonfly wing has about 3000 of micro spikes of which length is about from 10 to 100μm. It is believe that these micro structures affect the flight characteristic of dragonfly. In this study, a plate with micro spikes was fabricated, and the pressure drag of the vertical flat plate with micro spikes was measured. The artificial spikes were fabricated the same size as dragonfly wing. The measurement of drag force was carried out with the flat plate with spikes and without. As a result, effect of micro spikes was appeared at low Reynolds number of from 1000 to 2000.

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