An experimental study on rewetting phenomena in transient conditions of bwrs

Sakae Muto, Takafumi Anegawa, Shinichi Morooka, Seiichi Yokobori, Yukio Takigawa, Shigeo Ebata, Yuichiro Yoshimoto, Shuzi Suzuki

研究成果: Article査読

17 被引用数 (Scopus)

抄録

It is known that rod temperature rise after boiling transition (BT) is not excursive and that the peak cladding temperature (PCT) is suppressed by rewetting to return to nucleate boiling, even if BT occurs under severe conditions exceeding abnormal operational transients for a BWR. The purpose of this study is to develop and verify the rewetting correlation. The rewetting correlation was developed based on single rod data, as a function of quality, mass flux, pressure and heat flux. The transient thermal-hydraulic code used in the BWR design analysis (SCAT) with this rewetting correlation was compared with transient rod temperature result after the occurence of BT obtianed by the 8×8 and 4×4 rod bundle. It is concluded that the transient code with the developed rewetting correlation predicts the PCT conservatively, and the rewetting time well.

本文言語English
ページ(範囲)311-321
ページ数11
ジャーナルNuclear Engineering and Design
120
2-3
DOI
出版ステータスPublished - 1990 6 2
外部発表はい

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Nuclear Energy and Engineering
  • Civil and Structural Engineering
  • Mechanical Engineering
  • Safety, Risk, Reliability and Quality

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