Thermal-hydraulic instability of boiling natural circulation loop with a chimney (3rd report, instability at high system pressure)

Masahiro Furuya*, Fumio Inada, Akira Yasuo

*この研究の対応する著者

研究成果: Article査読

抄録

Experiments have been conducted to investigate thermal-hydraulic instabilities at system pressure ranging from 1 to 7.2 MPa in a boiling natural circulation loop with a chimney. Stability maps in reference to the system pressure, the channel inlet subcooling, and heat flux are presented. Two different types of instabilities were observed in the facility at relatively low and high system pressures. Both of the instability mechanisms were clarified by investigation of the transient flow pattern and the response of the driving force of the circulation to momentum energy.

本文言語English
ページ(範囲)2757-2763
ページ数7
ジャーナルNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
63
612
DOI
出版ステータスPublished - 1997
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学
  • 機械工学

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