Abstract
The SOCRAT computational code was developed and is used for modeling serious accidents at NPP. The present article analyzes the possibility of using the physicochemical models implemented in the SOCRAT code to calculate the processes arising in an RBMK-1000 core during serious accidents. It is shown that the modern version of the code can be used to model the rupture of RBMK fuel assemblies during accidents with complete blackout of a power-generating unit. However, individual models require additional verification under conditions characteristic for RBMK. Particular little-studied processes leading to the destruction of an RBMK core, requiring new models to be developed or extant models adapted for the SOCRAT code, are examined.
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