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Shiba, Tomooki; Tomikawa, Hirofumi; Yamaguchi, Tomoki
Dai-41-Kai Nihon Kaku Busshitsu Kanri Gakkai Nenji Taikai Kaigi Rombunshu (Internet), 4 Pages, 2020/11
Kaku, Eiji*; Okamoto, Koji*; Kondo, Masahiro*; Ozdemir, E.*; Shiba, Tomoki*; Sato, Ikken
no journal, ,
In this study aiming at contribution for safe decommissioning of Fukushima-Daiichi NPP, CFD (Computational Fluid Dynamics) method was applied and temperature distribution of Unit 3 was reproduced. This temperature distribution was then compared with the measured data obtained by TEPCO so that debris distribution can be estimated. Combined application of optimized tools and CFD method to resolve inverse problem determining best suited thermal balance within the containment vessel is a characteristic of this study.
Shiba, Tomooki; Kaburagi, Masaaki; Takada, Akira*; Yamaguchi, Tomoki
no journal, ,
This study intends to apply the detection of prompt gamma rays associated with nuclear fission, which is a unique feature of nuclear materials, for nuclear security.
Shiba, Tomooki; Kimura, Yoshiki; Yamaguchi, Tomoki; Hori, Masato
no journal, ,
no abstracts in English
Shiba, Tomooki; Sugizaki, Saki*; Yamaguchi, Tomoki
no journal, ,
The detection of prompt gamma rays (PFG) associated with nuclear fission, which is unique to nuclear materials, can be applied to the field of nuclear security. In this research, the applicability of the Am-Li neutron source is discussed.