231 数値流体解析を用いた昆虫羽ばたき飛行での無次元周波数効果(S38-3 生物飛行,S38 生物飛行と小型飛翔体)

概要

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The unsteady aerodynamics phenomena of insect flight is induced by a lot of factors including the flight speed, wingbeat frequency, wing and body shapes as well as the motion of flapping. The present study is focused on the influence of the reduced frequency parameter k on the production of lift force in flapping flight. To this end, we develop a biology-inspired dynamic flight simulator based on an in-house CFD code and a realistic insect morphology. With the simulator, we carry out computations in hovering flight for several cases of the reduced frequency parameter as that 0.125, 0.193 and 0.305. The simulated results indicate that the smaller the reduced frequency parameter, the lower the lift force is produced during a beating cycle.
一般社団法人日本機械学会の論文
2005-09-18