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EAGLE ID1試験における溶融燃料プールから構造壁への熱伝達機構に関する検討

Mechanism of heat transfer from molten fuel pool to structural wall in EAGEL 1D1 test

守田 幸路*; 小川 竜聖*; Liu, X.*; Liu, W.*; 神山 健司 

Morita, Koji*; Ogawa, Ryusei*; Liu, X.*; Liu, W.*; Kamiyama, Kenji

EAGLE ID1試験における燃料ピン束の崩壊から溶融燃料プール形成よる構造壁の熱伝達までの一連の挙動に関する粒子法シミュレーションの結果に基づき、構造壁の破損要因と推定される構造壁への高熱流束を生じさせる物理的なメカニズムについて検討した。

Based on simulation results which addressed a series of behavior from fuel pin disruption to heat-transfer between molten pool and duct wall observed in ID1 test in the EAGLE program, a physical mechanism of high heat-flux from molten pool to duct wall, which is estimated as a factor of duct wall failure, was investigated.

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