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on effective multiplication factor in 1/f
spectrum random systemAraki, Shohei; Yamane, Yuichi; Ueki, Taro; Tonoike, Kotaro
Proceedings of International Conference on the Physics of Reactors; Transition To A Scalable Nuclear Future (PHYSOR 2020) (USB Flash Drive), 8 Pages, 2020/03
We investigated the dependence of the effective multiplication factor (k
) in the 1/f noise model. We conducted the two-group Monte Carlo calculations. We found that the standard deviation of the k distribution showed the positive correlation with the value because the spatial distribution of the fuel became less uniform as the value increased.
Yamamoto, Toshihiro; Nakamura, Takemi*; Miyoshi, Yoshinori
JAERI-Data/Code 2001-001, 30 Pages, 2001/02
JAERI-Data-Code-2001-001.pdf:1.53MB
no abstracts in English
Miyoshi, Yoshinori; ; Tonoike, Kotaro; Izawa, Naoki; Sugikawa, Susumu; Okazaki, Shuji
Nuclear Technology, 118(1), p.69 - 82, 1997/04
Times Cited Count：13 Percentile：70.29(Nuclear Science & Technology)no abstracts in English
; Shimooke, Takanori
Nihon Genshiryoku Gakkai-Shi, 27(6), p.540 - 552, 1985/00
Times Cited Count：0 Percentile：0.02(Nuclear Science & Technology)no abstracts in English
frequency spectrumAraki, Shohei; Yamane, Yuichi; Ueki, Taro; Tonoike, Kotaro
no journal, ,
We investigated the effect of the degree of randomness on the distribution of neutron multiplication factors (
) calculated for fuel debris for the purpose of criticality risk assessment. The calculation results with the model randomized with frequency spectrum showed a positive correlation between the exponent and variance of the () distribution.
