Estimate of the Possibility of a Self-Sustaining Nuclear Chain Reaction Accompanying Core Meltdown in a Research Reactor with IRT-M Type Fuel Assemblies


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Computational estimates are made of the possibility of a self-sustaining nuclear chain reaction in beyond design basis accidents with core meltdown in a research reactor, where IRT-3M or IRT-4M fuel assemblies with high- and low-enrichment fuel are used. The certified MCU-PTR Monte Carlo code is used for the computational estimates. A conservative approach (estimaticphon from above) is used. It is shown that a selfsustaining nuclear chain reaction is impossible during core meltdown.

作者简介

V. Nasonov

National Research Center Kurchatov Institute

Email: j-atomicenergy@yandex.ru
俄罗斯联邦, Moscow

Yu. Pesnya

National Research Center Kurchatov Institute

Email: j-atomicenergy@yandex.ru
俄罗斯联邦, Moscow

A. Sidorenko

National Research Center Kurchatov Institute

Email: j-atomicenergy@yandex.ru
俄罗斯联邦, Moscow

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