Self-Excited Sloshing Due to the Fluid Discharge over a Flexible Weir (3rd Report, Comparison between Experimental and Analytical Results and Discussion on the Parameters which Effect on the Stability of the System)

Hiroshi Nagakura, Shigehiko Kaneko

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

An analytical study was performed for the fluid–elastic instability as observed in Super–Phenix–1 LMFBR. In this report, calculations were conducted for the 1/10-scale experimental model, which is one of the representative model employed by Fujita et al. Agreement between the analytical and the experimental results were good. It is shown that the kinematic effect of the discharged fluid on the downstream plenum sloshing is predominant rather than the dynamic effect, i. e. the increase in volumetric inflow rate into the downstream plenum causes the free surface to rise. Therefore, the system becomes unstable if the inflow rate increases when the free surface of the downstream plenum are rising.

Original languageEnglish
Pages (from-to)2882-2885
Number of pages4
JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume64
Issue number624
DOIs
Publication statusPublished - 1998 Jan 1
Externally publishedYes

Fingerprint

Liquid sloshing
Discharge (fluid mechanics)
Fluids
Kinematics

Keywords

  • Excited Vibration
  • Self–
  • Sloshing Overflow
  • Weir Fast Breeder Reactor

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

Cite this

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AB - An analytical study was performed for the fluid–elastic instability as observed in Super–Phenix–1 LMFBR. In this report, calculations were conducted for the 1/10-scale experimental model, which is one of the representative model employed by Fujita et al. Agreement between the analytical and the experimental results were good. It is shown that the kinematic effect of the discharged fluid on the downstream plenum sloshing is predominant rather than the dynamic effect, i. e. the increase in volumetric inflow rate into the downstream plenum causes the free surface to rise. Therefore, the system becomes unstable if the inflow rate increases when the free surface of the downstream plenum are rising.

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