振動流中における渦励振動円柱に作用する流体力と後流渦の関係について

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書誌事項

タイトル別名
  • A Study of Forces and Vortex Patterns Around a Vortex-excited Vibrating Cylinder in Planar Oscillatory Flow
  • シンドウリュウチュウ ニ オケル カレイ シンドウ エンチュウ ニ サヨウスル

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説明

This paper describes an experimental investigation into the non-linear vortex-excited vibration of a cylinder in plannar oscillatory flow with emphasis being placed on the fluid-structure interaction. The experiments were carried out using a water tank which has an internal dimension of 1.0m long, 0.5m wide and 0.5m deep, and is oscillated in true harmonic horizontal motion. The deferences between the vortex patterns around the vortex-excited cylinder in rezonace condition and those around the rigidly mounted cylinder are clarified in the range of Keulegan-Carpenter number 5 to 8.4 by using the flow visualization. In this range of KC number, the amplification of the fluid forces acting on a vortex-excited. cylinder are large.

収録刊行物

  • 関西造船協会誌

    関西造船協会誌 213 (0), 197-202, 1990

    公益社団法人 日本船舶海洋工学会

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