Estimation of the in-depth debris status of Fukushima Unit-2 and Unit-3 with multi-physics modeling, 10; Evaluation of debris relocation and interaction with pedestal structures in Fukushima Daiichi Unit-3 with MPS method

Li, X.*; Yamaji, Akifumi*; Sato, Ikken ; Furuya, Masahiro*; Madokoro, Hiroshi ; Oishi, Yuji*

The Moving Particle Semi-implicit (MPS) method is developed to simulate debris relocation and interaction with pedestal structures in Fukushima Daiichi (1F) Unit-3. Different debris distributions and structure damages are evaluated with different debris relocation amount / intervals and convective vapor cooling from the debris surface.

Language	:	English
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Meeting title	:	日本原子力学会2021年秋の大会
Held date	:	2021/09
Location (city)	:	札幌(online)
Location (country)	:	日本
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Keywords	:	Severe Accident; Decommissioning; Fukushima Daiichi Nuclear Power Station Accident; MPS method; Numerical Simulation; 福島第一原子力発電所事故
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Article of JAEA R&D Review	:
Cooperating Institute	:	三菱総合研究所

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Registration No. : BB20210280
JAEA Abstracts No. :
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