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Safest roadmap for corium experimental research in Europe
Vise andre og tillknytning
2018 (engelsk)Inngår i: ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part B: Mechanical Engineering, ISSN 2332-9017, Vol. 4, nr 3, artikkel-id 030901Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Severe accident facilities for European safety targets (SAFEST) is a European project networking the European experimental laboratories focused on the investigation of a nuclear power plant (NPP) severe accident (SA) with reactor core melting and formation of hazardous material system known as corium. The main objective of the project is to establish coordinated activities, enabling the development of a common vision and severe accident research roadmaps for the next years, and of the management structure to achieve these goals. In this frame, a European roadmap on severe accident experimental research has been developed to define research challenges to contribute to further reinforcement of Gen II and III NPP safety. The roadmap takes into account different SA phenomena and issues identified and prioritized in the analyses of severe accidents at commercial NPPs and in the results of the recent European stress tests carried out after the Fukushima accident. Nineteen relevant issues related to reactor core meltdown accidents have been selected during these efforts. These issues have been compared to a survey of the European SA research experimental facilities and corium analysis laboratories. Finally, the coherence between European infrastructures and R&D needs has been assessed and a table linking issues and infrastructures has been derived. The comparison shows certain important lacks in SA research infrastructures in Europe, especially in the domains of core late reflooding impact on source term, reactor pressure vessel failure and molten core release modes, spent fuel pool (SFP) accidents, as well as the need for a large-scale experimental facility operating with up to 500 kg of chemically prototypic corium melt.

sted, utgiver, år, opplag, sider
ASME Press, 2018. Vol. 4, nr 3, artikkel-id 030901
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Identifikatorer
URN: urn:nbn:se:kth:diva-228706DOI: 10.1115/1.4037878Scopus ID: 2-s2.0-85047053484OAI: oai:DiVA.org:kth-228706DiVA, id: diva2:1210950
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QC 20180530

Tilgjengelig fra: 2018-05-30 Laget: 2018-05-30 Sist oppdatert: 2018-05-30bibliografisk kontrollert

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