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ナトリウム冷却高速炉における格納容器破損防止対策の有効性評価技術の開発,23; 高速炉格納容器内雰囲気における水素燃焼挙動解析

Development of estimation technology for availability of measure for failure of containment vessel in sodium cooled fast reactor, 23; Numerical simulation of hydrogen combustion in containment vessel of fast reactor

伊藤 啓; 土井 大輔  ; 高田 孝  ; 宇埜 正美*

Ito, Kei; Doi, Daisuke; Takata, Takashi; Uno, Masayoshi*

ナトリウム冷却高速炉のシビアアクシデント時における水素誘導拡散燃焼挙動を評価するため、水素燃焼挙動の3次元数値解析手法の開発を行った。本発表では、高速炉格納容器体系を対象とした解析を実施し、水素燃焼が構造物に与える影響を評価した結果を示す。

Development of numerical simulation method of hydrogen combustion in containment vessel of fast reactor has been developed, in order to establish the estimation technology for availability of measure for failure of containment vessel in sodium cooled fast reactors. In this presentation, estimation results on influence of hydrogen combustion on the structure are reported based on the analysis by using numerical simulations.

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