Archives → 2020 → V. 60. №5. → pp. 542–550
Article
Ranking of Reactor Facilities Based on the Assessment of Potential Radiation Impact on the Environment
S. I. Spiridonov and R. A. Mikailova
Russian Institute of Radiology and Agroecology, Obninsk, Russia
Abstract
The paper presents a methodological approach to the comparative assessment of reactor units and other nuclear power facilities in terms of the potential impact of accidental releases on the environment. The approach is based on the calculation of the radioecological risk taking into account the probabilities of the occurrence of postulated accidents and the parameters of radioactive releases for the set of emergency scenarios. The tree layer of the pine forest is considered as a reference natural community. The radiation exposure index is used to characterize the effects of radioactive fallout. The risk values were calculated for a number of Russian (VVER-1000, VVER-1200) and foreign (PWR-890, BWR-1412, EPR-1600) reactor units and their radioecological
ranking was performed. It was established that the new generation VVER-1200 reactor is the safest for biota.
Keywords
reactor installations, natural environment, emergency scenarios, radioecological assessment, radiation doses, wood layer of the forest
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