Novakov I.G., Kuryndin А.V., Kirkin А.М., Makovskiy S.V.
Scientific and Engineering Centre for Nuclear and Radiation Safety
Estimation of the error in calculations, that is caused by uncertainties in the initial data is an integral part of the nuclear facilities safety case. Nuclear safety is one of the fundamental directions in safety case. Incorrect accounting for the uncertainties in the initial data can lead to a row of negative consequences, in particular, incorrect determination of the reactivity margin in various modes of normal operation, as well as in cases of the abnormal operation of nuclear facilities. This article presents results of a research of uncertainties influence on an effective multiplication factor of research reactor PIK. The design basis accident (deliquation of the central experimental channel) was analyzed during the discussed research.
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