両端に水平プレートを有する扁平矩形断面柱の空力弾性振動抑制効果に関する研究 Suppression of Aeroelastic Vibration of Shallow Rectangular Prism Due to its Horizontal Plates on Both Ends

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For suppression device of aerodynamic vibration, there is a technique of installing the additional members such as fairing, flap and horizontal plate in a current bridge design. The horizontal plate was focused as the additional members, which is a simple structure and highly effective to suppress aerodynamic vibration. However, at the present time, its detail mechanism is not yet elucidated on suppressing aerodynamic vibration. Therefore, the examination of a basic section was conducted at first to obtain the basic effect of the horizontal plate on suppression of aerodynamic vibrations. In this study, the flow visualization, the measurements of the aerodynamic response in torsional vibration and three components of aerodynamic force, and the wind speed measurement by PIV were conducted. As a result of three tests, it was confirmed that aerodynamic instability could be improved by installing the horizontal plates in the appropriate position.

収録刊行物

  • 日本風工学会論文集

    日本風工学会論文集 (123), 37-46, 2010-04-30

    一般社団法人 日本風工学会

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各種コード

  • NII論文ID(NAID)
    10026355111
  • NII書誌ID(NCID)
    AA11491599
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13493507
  • NDL 記事登録ID
    10701924
  • NDL 雑誌分類
    ZN1(科学技術--建設工学・建設業)
  • NDL 請求記号
    Z16-B243
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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