Study on critical power prediction of bwr fuel assembly by computed fluid dynamics

Shinichi Morooka*, Yasushi Yamamoto, Kenetsu Shirakawa, Yoshirou Kudoh

*この研究の対応する著者

研究成果査読

3 被引用数 (Scopus)

抄録

The current BWR fuel assembly has seven spacers for maintaining a constant gap between fuel rods. Spacer design has a significant effect on the thermal hydraulic performance of a BWR fuel assembly. The purpose of this study is to develop an accurate method for predicting the effect of spacer shape on critical power. The critical power prediction method combining the CFD code of droplet deposition rate and the conventional subchannel code was verified by the critical power data of 4×4 rod bundle with various spacer shapes. From the verification, this method was found to be effective for predicting the critical power change with the change of the spacer shape.

本文言語English
ページ(範囲)573-579
ページ数7
ジャーナルNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
67
654
出版ステータスPublished - 2001 2
外部発表はい

ASJC Scopus subject areas

  • 機械工学
  • 凝縮系物理学

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