Modeling of corium melt cooling during severe accidents at the nuclear power plants (original) (raw)

This paper is devoted to an analysis of the problem of a corium melt interaction with the water and low-melting temperature blocks in the passive protection systems against severe accidents at the nuclear power plants (NPP), which is of high importance for a substantiation of a nuclear power safety, for building and successful operating of the passive protection systems. In the third-generation reactors the passive protection systems against severe accidents at the NPP are mandatory, therefore the topic of this paper is of importance for the nuclear power safety. A few such systems have been considered, which are in different stage of completeness.

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