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Change of RBMK reactivity and power during measurements of the steam coefficient of reactivity
Authors:A. A. Balygin  A. V. Krayushkin
Affiliation:(1) Russian Science Center Kurchatov Institute, Russia
Abstract:The results of a numerical simulation of an experiment on measurement of the steam coefficient of the reactivity of a RBMK reactor are presented. The “inverted variation of the reactivity” effect is explained. The computational results show that this effect is due to the nonuniformity of the load and coolant flow rate in the channels in the core. __________ Translated from Atomnaya énergiya, Vol. 100, No. 3, pp. 171–173, March, 2006.
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