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Consequence analysis of postulated criticality in SFP using the randomized model of fuel debris

燃料デブリ乱雑化モデルを用いた使用済燃料プール仮想臨界事象解析

Simanullang, I. ; 山根 祐一  ; 菊地 丈夫 ; 外池 幸太郎 

Simanullang, I.; Yamane, Yuichi; Kikuchi, Takeo; Tonoike, Kotaro

A postulated criticality event has been studied that occurred in fuel debris produced after the loss of cooling function in a spent fuel pool. The 1/f$$^{beta}$$ spectrum model was applied to deal with the random distribution composition of fuel debris. The results showed that the number of fissions per volume varying from 4.05 $$times$$ 10$$^{18}$$ to 1.6 $$times$$ 10$$^{19}$$.

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