Neutronics/thermal-hydraulics coupling simulation using JAMPAN in a single BWR assembly

Kamiya, Tomohiro ; Nagatake, Taku ; Ono, Ayako ; Tada, Kenichi ; Kondo, Ryoichi ; Nagaya, Yasunobu ; Yoshida, Hiroyuki

JAEA has developed the JAEA Advanced Multi-Physics Analysis platform for Nuclear systems (JAMPAN) to realize high-fidelity neutronics/thermal-hydraulics coupling simulations. We performed a neutronics/thermal-hydraulics coupling simulation for a single BWR fuel assembly in order to confirm that the MVP/JUPITER coupling through JAMPAN is feasible. As a result, we confirmed that the void fraction and the corresponding change in the heat generation distribution are reasonable qualitatively.

Language	:	English
Journal	:	Mechanical Engineering Journal (Internet)
Volume	:	12
Number	:	4
Pages	:	p.24-00461_1 - 24-00461_9
Publication Year/Month	:	2025/08
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Paper URL	:	https://doi.org/10.1299/mej.24-00461
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Keywords	:	核熱連成シミュレーション; JAMPAN; MVP; JUPITER
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Registration No. : AA20240566
JAEA Abstracts No. : 53000928
Paper Submission No. : 29729

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