OS10-1 直交流によって誘起されるソケット支持管群振動の特性(OS10 混相流の計測技術と解析,循環型社会における動力エネルギー技術)

概要

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An experimental study was conducted to investigate the flow-induced vibration characteristics of socket-supported (flexible) tube bundles in cross flow. In order to simulate the partial support of clearance holes of baffles in shell-and-tube heat exchangers, in-line and staggered bundles comprising glass rods mounted flexibly inside circular supporting socket in the channel wall were constructed. The two test sections were made transparent to facilitate flow visualization and whole-field measurement by PIV. The results obtained in this study confirmed that the vibration characteristics of tube bundle are closely related to the velocity fluctuation of the surrounding flow field.
社団法人日本機械学会の論文
2007-06-13