薄肉円筒せきの流力弾性不安定振動に関する実験　不安定振動特性

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  • Experimental Studies on the Hydroelastic Unstable Vibration of a Thin Cylindrical Weir. Unstable Vibration Characteristics.
  • ウスニク エントウセキ ノ リュウリョク ダンセイ フアンテイ シンドウ ニ

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Experimental studies have been conducted on the hydroelastic unstable vibration of a thin cylindrical weir. A test cylindrical weir made of polyester with radius R=100mm, length L=113mm, thickness h=0.244mm, and water was used in the experiment. In this paper, characteristics of the unstable vibation of the flexible weir due to a liquid flowing over it are presented. It was found that the vibration mode of the flexible weir varies with the volume of the liquid flow as well as with the height of the inner liquid inside the weir. This result may provide useful data for the theoretical investigation of this kind of unstable vibration.

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