Abstract
The authors have estimated the activity and composition of radionuclides accumulated in the reactors of the floating nuclear thermal power plant (FNPP) upon completion of the last fuel run. An analysis of the previously occurred criticality events at transport nuclear power facilities has shown that the most harmful consequences for the population and environment arise due to the self-sustain chain reaction (SCR) with depressurized reactor. Such an event can occur at a floating nuclear power plant (FNPP). The researchers have obtained estimates for the KLT-40S reactor using the calculation for the KLT-40 reactor. They have taken into account the design-base power production, fuel enrichment, as well as the FNPP service life.
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