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Shimizu, Yoshio; Suitsu, Yuichi; Murakami, Tatsutoshi; Yuri, Akiya
Proceedings of 8th International Conference on Nuclear Criticality Safety (ICNC 2007), p.335 - 340, 2007/05
Nuclear criticality safety evaluations for the fast breeder reactor's MOX fuel fabrication facility were performed. In the parametric studies made with SCALE, following three cases are here introduced. (1) The effect of the plutonium isotopic ratio on Pu
(
U, 
Pu, 
Pu) mass control were evaluated. The design conditions of the plutonium isotopic ratio under the operating condition were adjusted from the evaluation. (2) The moderation effects of organic materials in MOX fuel fabrication facility were evaluated. The water contents equivalent moderation effects to organic contents were obtained from the evaluation. (3) The effects of nonuniform mixture of MOX powder and water were evaluated by two-phase model and SMORES. The 
k, which differ from the k
of uniform model, were evaluated.
Shimizu, Yoshio; Suitsu, Yuichi; Murakami, Tatsutoshi; Yuri, Akiya
no journal, ,
no abstracts in English
Suitsu, Yuichi; Shimizu, Yoshio; Murakami, Tatsutoshi; Yuri, Akiya
no journal, ,
no abstracts in English
Yuri, Akiya; Shimizu, Yoshio; Suitsu, Yuichi; Murakami, Tatsutoshi; Ninagawa, Junichi
no journal, ,
no abstracts in English
Suitsu, Yuichi; Murakami, Tatsutoshi; Yuri, Akiya
no journal, ,
We assumed fire and explosion accidents would occur in the MOX fuel facility of JAEA and reevaluated the radiation dose to the public with a recent method.
Murakami, Tatsutoshi; Suitsu, Yuichi; Yuri, Akiya
no journal, ,
no abstracts in English