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Report No.

Study on dryout and rewetting during accidents including ATWS for the BWR at JAEA

Satou, Akira ; Wada, Yuki  ; Shibamoto, Yasuteru ; Yonomoto, Taisuke 

JAEA has conducted a series of experimental researches on the Post-boiling transition heat transfer, transient critical heat flux and rewetting for BWRs. Experimental data bases covering the anticipated operational conditions was developed; the significance of the precursor cooling was identified. This paper presents approaches of the present research focusing on the anticipated transient without scram, effects of the spacer and physical understanding of the phenomena for development of mechanistic model together with promising results obtained so far.



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Category:Nuclear Science & Technology



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