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Influence of corium oxidation on fission product release from molten pool
A.P. Alexandrov Research Institute of Technology (NITI).ORCID iD: 0000-0001-7816-8442
A.P. Aleksandrov Research Institute of Technology.
A.P. Aleksandrov Research Institute of Technology.
A.P. Aleksandrov Research Institute of Technology.
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2010 (English)In: Nuclear Engineering and Design, ISSN 0029-5493, E-ISSN 1872-759X, Vol. 240, no 5, 1229-1241 p.Article in journal (Refereed) Published
Abstract [en]

Qualitative and quantitative determination of the release of low-volatile fission products and core materialsfrom molten oxidic corium was investigated in the EVAN project under the auspices of ISTC. Theexperiments carried out in a cold crucible with induction heating and RASPLAV test facility are described.The results are discussed in terms of reactor application; in particular, pool configuration, melt oxidationkinetics, critical influence of melt surface temperature and oxidation index on the fission productrelease rate, aerosol particle composition and size distribution. The relevance of measured high releaseof Sr from the molten pool for the reactor application is highlighted. Comparisons of the experimentaldata with those from the COLIMA CA-U3 test and the VERCORS tests, as well as with predictions fromIVTANTHERMO and GEMINI/NUCLEA codes are made. Recommendations for further investigations areproposed following the major observations and discussions.

Place, publisher, year, edition, pages
2010. Vol. 240, no 5, 1229-1241 p.
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-53231DOI: 10.1016/j.nucengdes.2010.01.008ISI: 000276796900031OAI: oai:DiVA.org:kth-53231DiVA: diva2:469738
Note
QC 20120216Available from: 2011-12-26 Created: 2011-12-23 Last updated: 2017-12-08Bibliographically approved

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Bechta, Sevostian

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