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Perspectives on LWR severe accidents and public risks Preface
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Power Safety.
2019 (English)In: Nuclear Engineering and Design, ISSN 0029-5493, E-ISSN 1872-759X, Vol. 354, article id UNSP 110253Article in journal, Editorial material (Other academic) Published
Abstract [en]

Risks of light water reactors (LWRs) for the public were recognized as an important issue and are subject of several probabilistic risk assessments (PRAs), starting with the WASH-1400 risk study performed in early 1970s (US Nuclear Regulatory Commission, 1975). Nuclear safety goals were also formulated based on these studies and/or independently. Both the goals and the formulation of the risks considered the effects of radioactivity releases on the health of a population affected in the vicinity of a nuclear power plant undergoing an accident. WASH-1400 also considered the land contamination that a radioactive release may inflict. The Fukushima accident has highlighted that the principal consequences of a nuclear severe accident may not be the immediate fatalities and injuries and the latent (cancer) health effects, but the societal upheaval and the economic damage that could be caused by a major release of radioactivity to the environment. Such consequences of a severe nuclear accident bring a quite different focus to the risk profile of large-scale deployment of nuclear power in the world. This is addressed in this paper, along with the ancillary issues; design basis, residual risk, cost benefit and back-fit rules, GEN II plants, GEN III + plants, operator performance during severe accidents, fear of radioactivity, and finally public confidence in nuclear power. The paper addresses the above-listed topics, primarily with personal perspectives which may not be shared by the nuclear industry and/or the nuclear regulatory establishments, partly or in whole.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE SA , 2019. Vol. 354, article id UNSP 110253
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Other Engineering and Technologies
Identifiers
URN: urn:nbn:se:kth:diva-257789DOI: 10.1016/j.nucengdes.2019.110253ISI: 000481647400021Scopus ID: 2-s2.0-85070680891OAI: oai:DiVA.org:kth-257789DiVA, id: diva2:1348973
Note

QC 20190906

Available from: 2019-09-06 Created: 2019-09-06 Last updated: 2019-09-06Bibliographically approved

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Sehgal, B. R.

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