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Status of the SARNET network on severe accidents
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2010 (English)In: International Congress on Advances in Nuclear Power Plants 2010, ICAPP 2010: Volume 2, 2010, 1029-1043 p.Conference paper (Refereed)
Abstract [en]

After four and a half years of operation in the frame of the 6th Framework Programme (FP6) of the European Commission, SARNET (Severe Accidents Research NETwork of excellence) continues in the FP7 (project named SARNET2) from April 2009 for 4 years. Forty-one organisations from 21 countries network their capacities of research in order to resolve the most important remaining uncertainties and safety issues on severe accidents (SA) in existing and future water-cooled nuclear power plants (NPPs). It includes a large majority of the Europeanactors involved in SA research plus a few non-European important ones. The objective is to perform the common research programmes that have been defined in the network first phase and to continue to improve the common computer tools and methodologies for NPP safety assessment. It will consolidate the sustainable integration of the European SA research capacities. These research programmes concern essentially the six highest priority safety issues that were identified after ranking in the first phase of the network: in-vessel core coolability, molten-corium-concrete-interaction, fuel-coolant interaction, hydrogen mixing and combustion in containment, impact of oxidising conditions on source term, and iodine chemistry. The Joint Programme of Activities includes the following main tasks: Performing new experiments on the above mentioned issues andjointly analysing their results in order to elaborate a common understanding of the concerned physical phenomena; Continuing the development and assessment of the ASTEC integral computer code (jointly developed by IRSN and GRS to predict the NPP behaviour during a postulated SA), which capitalizes in terms of models the knowledge produced in the network. In particular efforts are being extended to its applicability to BWR and CANDU NPP types; Continuing the storage of the SA experimental results in a scientific database, based on the STRESA JRC tool; Promoting educational and training courses, ERMSAR (European Review Meeting on Severe Accident Research) international conferences (to be held once a year) and mobility of young researchers or students between the various European organisations. Some R&D results obtained in the first year of the project are presented, in particular: the VULCANO experiment done in CEA mid-2009 on molten-core-corium-interaction, and the release of the first version of the new ASTEC V2 series.

Place, publisher, year, edition, pages
2010. 1029-1043 p.
Keyword [en]
Computer codes, Computer tools, Coolability, European Commission, First year, Fuel-coolant interaction, Hydrogen mixing, Main tasks, Physical phenomena, Research networks, Research programmes, Safety assessments, Safety issues, Scientific database, Severe accident, Source terms, Training course
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URN: urn:nbn:se:kth:diva-149596ScopusID: 2-s2.0-77956211460ISBN: 978-161738643-5OAI: diva2:740565
International Congress on Advances in Nuclear Power Plants 2010, ICAPP 2010, 13 June 2010 through 17 June 2010, San Diego, CA, United States

QC 20140825

Available from: 2014-08-25 Created: 2014-08-25 Last updated: 2014-08-25Bibliographically approved

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Sehgal, Bal Raj
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