Identification of important phenomena under sodium fire accidents based on PIRT process with factor analysis in sodium-cooled fast reactor

Aoyagi, Mitsuhiro ; Uchibori, Akihiro ; Kikuchi, Shin ; Takata, Takashi ; Ohno, Shuji ; Ohshima, Hiroyuki

The present PIRT process was aimed to identify key phenomena involved in sodium fire accidents that involve complex phenomena in sodium-cooled fast reactor plants. In this PIRT process, the figures of merit (FOMs) were specified through factor analysis. Associated phenomena were identified through the element- and sequence-based phenomena analyses. Importance of each associated phenomenon was evaluated by considering the sequence-based analysis of associated phenomena correlated with the FOMs. Then, we complete the ranking table through the factor and phenomenon analyses.

Language	:	English
Journal	:	Proceedings of 10th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety (NTHAS-10) (USB Flash Drive)
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Pages	:	10 Pages
Publication Year/Month	:	2016/11
Meeting title	:	10th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety (NTHAS-10)
Held date	:	2016/11
Location (city)	:	Kyoto
Location (country)	:	Japan
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Keywords	:	no keyword
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Registration No. : BB20161059
JAEA Abstracts No. : 45000194
Paper Submission No. : 18521

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