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Title: Self-induced sloshing caused by an upward round jet impinging on the free surface

Book ·
OSTI ID:124600
; ;  [1]
  1. Univ. of Tokyo, Tokai, Ibaraki (Japan). Nuclear Engineering Research Lab.

The demand for compact design of FBR made it necessary to study the interaction between high speed coolant flow and the free surface. Self-induced sloshing was found to occur with an upward round jet making a surface swell at the impinging point. The conditions under which the sloshing occurred were investigated experimentally together with the sloshing modes and frequencies. Without exception the induced mode had only one diametrical node, which was accompanied by the lateral motion of the swell. The mode was replaced by lower one with increasing the inlet-surface distance and the velocity, the reason of which was explained by the following assumption; the oscillation of water columns on both sides of the jet connected by a virtual cross flow through the jet, i.e., jet-flutter, was coupled with the sloshing and supplied energy to it.

OSTI ID:
124600
Report Number(s):
CONF-950740-; ISBN 0-7918-1345-2; TRN: IM9548%%190
Resource Relation:
Conference: Joint American Society of Mechanical Engineers (ASME)/Japan Society of Mechanical Engineers (JSME) pressure vessels and piping conference, Honolulu, HI (United States), 23-27 Jul 1995; Other Information: PBD: 1995; Related Information: Is Part Of Fluid sloshing and fluid-structure interaction 1995. PVP-Volume 314; Ma, D.C. [ed.] [Argonne National Lab., IL (United States)]; Tani, J. [ed.] [Tohoku Univ., Sendai (Japan). Inst. of Fluid Science]; Brochard, D. [ed.] [C.E.A. Centre d`Etudes de Saclay, Gif sur Yvette (France). Inst. National des Sciences et Techniques Nucleaires]; Fujita, K. [ed.]; PB: 178 p.
Country of Publication:
United States
Language:
English