Emergency planning zones are areas around a nuclear or radiological facility where arrangements are made to protect the public in the event of a nuclear emergency. The paper presents and discusses a new method for identifying and classifying the source term for accidents with total or partial fuel damage in order to pinpoint a series of release categories useful to find the extension of an Emergency Planning Zone. This approach is deterministic as far as it starts with the postulation of a set of Plant Damage States (PDSs), rather than frequency-based. It is complemented by a methodological application for the analysis of the accident progression based on the facility response assessment, similar to the logic behind Containment Event Trees. This extension of the deterministic postulation of PDSs stems from the recognition that deterministic approaches may lead to incompleteness in the selection of accident scenarios due to strongly relying on expert judgement. The case study applies to a 1000 MWth integral Pressurized Water Reactor SMR.
DE LA ROSA BLUL Juan Carlos;
GUGLIELMELLI Antonio;
2024-10-21
IAEA
JRC139302
https://conferences.iaea.org/event/374/contributions/31283/contribution.pdf,
https://publications.jrc.ec.europa.eu/repository/handle/JRC139302,
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