2021 Fall Meeting

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Oral presentation

III. Fission Energy Engineering » 301-1 Reactor Physics, Utilization of Nuclear Data, Criticality Safety

[1I01-06] Fuel Debris Characterization

Wed. Sep 8, 2021 10:10 AM - 11:55 AM Room I

chair: Rei Kimura (TOSHIBA ESS)

10:25 AM - 10:40 AM

[1I02] Analysis of Effective Multiplication Factor in Sedimentation of Fuel Debris Particles

*Shigeki Shiba1 (1. Regulatory Standard and Research Department, Secretariat of Nuclear Regulation Authority)

Keywords:Fuel debris, DEM-MPS, MVP3.0, Effective neutron multiplication factor

DEM-MPS連成解析手法並びにMVP3.0コードを用いて燃料デブリ粒子の水中沈降・堆積時の中性子実効増倍率を評価した。