2020 Fall Meeting

Presentation information

Oral presentation

IV. Nuclear Plant Technologies » 402-1 Nuclear Safety Engineering (Safety Design, Safety Assessment/Analysis, Management)

[2K09-13] Molten Core Behavior, Mitigation of FCI/MCCI

Thu. Sep 17, 2020 3:40 PM - 5:05 PM Room K (Zoom room 11)

Chair:Kenji Kamiyama(JAEA)

4:25 PM - 4:40 PM

[2K12] Studies on safety improvement in nuclear power plant severe accidents: enhancement of molten core coolability and mitigation of molten core concrete interaction

(8)CFD Calculation of the molten core spreading experiment

*Nobuhide Hara1, Takuo Oda1, Keisuke Yoshida1, Hironori Noguchi1, Koichi Tanimoto1, Hiroshi Goda1, Junichi Takeuchi1, Naoya Hayashi1 (1. MHI)

Keywords:Spreading simulation, CFD

溶融炉心冷却を促進する低粘性化材の開発と関連する評価技術の開発に向け,本研究では溶融燃料拡がり挙動のモデル開発を行った。コリウムを用いた拡がり試験の検証解析で,拡がり距離を再現出来ることを確認した。