Quantitative risk assessment of accident management against volcano ash hazard in sodium-cooled fast reactor

Suzuki, Minoru*; Takase, Yuki*; Sakai, Takaaki*; Takata, Takashi ; Doda, Norihiro

With an aim to establish a quantitative risk assessment of accident managements (AMs) for various external hazards, the plant dynamics analyses with Continuous Markov Chain Monte Carlo (CMMC) method were carried out to assess repeatedly occurred multi-failures by volcano ash in volcanic eruption event. AM repetition of the filter exchange to recover the cooling function of the air coolers were considered. The results showed that this method can evaluate the effectiveness of AM measures against volcanic ash fall events with respect to time progress.

Language	:	Japanese
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Meeting title	:	日本原子力学会2018年秋の大会
Held date	:	2018/09
Location (city)	:	岡山
Location (country)	:	日本
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Keywords	:	ナトリウム冷却高速炉; 外部ハザード; CMMC法
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Cooperating Institute	:	東海大学

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Registration No. : BB20190242
JAEA Abstracts No. :
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