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Flow-Induced Vibration of Cross-Shaped Tube Bundle: The Effect of Tube Bundle Arrangement

[+] Author Affiliations
Fumio Inada, Takashi Nishihara, Akira Yasuo, Ryo Morita

Central Research Institute of Electric Power Industry (CRIEPI), Komae-shi, Tokyo, Japan

Akihiro Sakashita, Jun Mizutani

Tokyo Electric Power Company (TEPCO), Tokyo, Japan

Paper No. PVP2003-2073, pp. 41-48; 8 pages
doi:10.1115/PVP2003-2073
From:
  • ASME 2003 Pressure Vessels and Piping Conference
  • Flow-Induced Vibration
  • Cleveland, Ohio, USA, July 20–24, 2003
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4156-1
  • Copyright © 2003 by ASME

abstract

A cross-shaped tube bundle is proposed for the lower plenum structure in the next-generation LWR. The effect of tube bundle arrangement on the flow-induced vibration characteristics of the cross-shaped tube bundle in cross flow was considered experimentally. Regarding random vibration, the power spectral density of the fluid force of the staggered arrangement as well as the correlation length was measured and those of the normal arrangement were compared with those of the staggered arrangement. Regarding self-excited vibration, vibration response was compared. The trend of the power spectral densities, correlation length, and the critical velocity of the normal arrangement were similar to those of the staggered arrangement.

Copyright © 2003 by ASME

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