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溶融ステンレス鋼のナトリウムプール中への浸入挙動

Penetration behavior of molten stainless steel into a sodium pool

江村 優軌; 磯崎 三喜男; 松場 賢一  ; 神山 健司  

Emura, Yuki; Isozaki, Mikio; Matsuba, Kenichi; Kamiyama, Kenji

ナトリウム冷却高速炉の炉心崩壊事故では、溶融炉心物質が流下して原子炉容器下部のナトリウム中に浸入する。本研究では、溶融炉心物質の構成要素の一つである溶融ステンレス鋼をナトリウムプール中に落下させ、X線装置を用いてナトリウム中への浸入挙動を観察した。

In core-disruptive accidents of sodium-cooled fast reactors, molten core materials flow down and penetrate into sodium in a lower part of reactor vessel. In this study, molten stainless steel which is one of components of molten core materials was poured into sodium pool and its penetration behavior into sodium was observed using X-ray system.

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