255 異径管後流の円柱構造物の流力振動(流体構造連成振動のメカニズムと計測制御,OS-22 流体関連振動・音響メカニズムと計測制御,総合テーマ「伝統を,未来へ!」)

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In this paper, we describe the response characteristics of vortex-induced vibration and random vibration of a circular cylinder behind another cylinder of five times larger diameter. Free vibration tests of an elastic circular cylinder whose both ends were clamped were conducted in a water tunnel for three different relative locations of the upstream cylinder as well as single cylinder tests. The onset flow velocities of in-line vortex-induced vibration and response amplitudes of random vibration obtained by the tests were compared with values predicted using the JSME standard 012-1998 to verify the evaluation methods in the guideline.
一般社団法人日本機械学会の論文
2010-09-14