Dynamic Behavior of Dragonfly Wings

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This paper describes the frequency characteristics of dragonfly wings related to the aerodynamic characteristics. In the first stage, the higher speed flight of a dragonfly was analyzed with a high-speed video camera system. It was confirmed that insect wings undergo strong deformation during free flight. In the second stage, the surface roughness of dragonfly wing was measured by the three-dimensional, optical shape measuring system. It was clear that the difference of elevation is especially remarkable between the longitudinal veins at the part of leading edge. In the third stage, the dynamic responses of dragonfly wing to the excitation vibration were examined over the relatively wide range of frequency. The maximum amplitudes of insect wing oscillation were measured with the optical displacement detector system. It was found that the natural frequencies of dragonfly wings were related to the flapping frequency of the dragonfly. The deformable characteristics of dragonfly wings were related to the aerodynamic characteristics and structural strength of the dragonfly wing. Flexibility on the trailing edge of dragonfly wings was revealed experimentally.

収録刊行物

  • 実験力学 : journal of JSEM

    実験力学 : journal of JSEM 8, 163-168, 2008-06-25

    日本実験力学会

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  • A Study on the Wing Structure and Flapping Behavior of a Dragonfly

    Sudo Seiichi , Tsuyuki Koji , Ikohagi Toshiaki , OHTA Fukuo , SHIDA Shigenari , TANI Junji

    JSME international journal. Series C, Mechanical systems, machine elements and manufacturing 42(3), 721-729, 1999-09-15

    参考文献23件 被引用文献9件

各種コード

  • NII論文ID(NAID)
    10021156278
  • NII書誌ID(NCID)
    AA11822914
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13464930
  • NDL 記事登録ID
    9568386
  • NDL 雑誌分類
    ZM17(科学技術--科学技術一般--力学・応用力学)
  • NDL 請求記号
    Z74-C355
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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