Study for void distribution of rod bundle with non-uniform rod gap

Shinichi Morooka, Kenetsu Shirakawa

研究成果: Article査読

抄録

The void distribution measurements were performed to clarify the void behavior phenomena in rod bundle with non-uniform rod gap. X-ray computer topography scanner was applied for the void distribution measurement in the rod bundle. The test results reveal that the void concentrates on the wider subchannel due to void drift and the void distribution becomes flatter with increasing quality. The vapor velocity at the wide subchannel becomes larger and the slip ratio between vapor and liquid increases compared with uniform rod gap. Therefore, the average void fraction of the bundle with non-uniform rod gap is reduced.

本文言語English
ページ(範囲)121-125
ページ数5
ジャーナルNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
69
677
出版ステータスPublished - 2003 1
外部発表はい

ASJC Scopus subject areas

  • Mechanical Engineering

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