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Tokioka, Hiromi*; Morita, Akihiro*; Nakamura, Riichiro*; Morita, Koji*; Kamiyama, Kenji; Suzuki, Toru
no journal, ,
A numerical simulation on a series of molten fuel behaviors from pin disruption to pool formation was conducted using a particle method. Through the simulation, heat transfer behavior accompanied by a high heat-flux from molten mixture pool to structural wall was clarified.
Morita, Koji*; Ogawa, Ryusei*; Liu, X.*; Liu, W.*; Kamiyama, Kenji
no journal, ,
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.