Melting behavior of reactor core during severe accident of BWR, 3; Analysis of accident condition and molten material relocation behavior

Nakagiri, Toshio ; Sudo, Ayako ; Yoshikawa, Shinji ; Abe, Yuta ; Sato, Ikken

Temperature distribution and composition of atmosphere (H $_{2}$ /H $_{2}$ O ratio) in the accident of Fukushima Daiichi Nuclear Power Plant No.2 were evaluated using RELAP/SCDAPSIM code. Furthermore, distruption test of stainless steel specimen by metal melt assumeed to be generated in core melting phase in the accident was performed. From these results and the result of another plasma heating test using simulated fuel budle performed by JAEA, relocation behavior of melt in the accident was evaluated.

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	:	炉心溶融; 構造材料; 福島第一事故; 福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
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Registration No. : BB20182027
JAEA Abstracts No. :
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