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Experimental studies of oxidic molten corium-vessel steel interaction
Scientific Research Technological Institute (NITI), Russian Federation.ORCID iD: 0000-0001-7816-8442
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2001 (English)In: Nuclear Engineering and Design, ISSN 0029-5493, E-ISSN 1872-759X, Vol. 210, no 1-3, 193-224 p.Article in journal (Refereed) Published
Abstract [en]

The experimental results of molten corium-steel specimen interaction with molten corium on the 'Rasplav-2' test facility are presented. In the experiments, cooled vessel steel specimens positioned on the molten pool bottom and uncooled ones lowered into the molten pool were tested. Interaction processes were studied for different corium compositions, melt superheating and in alternative (inert and air) overlying atmosphere. Hypotheses were put forward explaining the observed phenomena and interaction mechanisms. The studies presented in the paper were aimed at the detection of different corium-steel interaction mechanisms. Therefore certain identified phenomena are more typical of the ex-vessel localization conditions than of the in-vessel corium retention. Primarily, this can be referred to the phenomena of low-temperature molten corium-vessel steel interaction in oxidizing atmosphere.

Place, publisher, year, edition, pages
2001. Vol. 210, no 1-3, 193-224 p.
Keyword [en]
Low temperature effects, Steel, Superheaters, Cooled vessel specimens, Nuclear engineering
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-50092DOI: 10.1016/S0029-5493(01)00377-6OAI: diva2:915554

NR 20160330

Available from: 2016-03-30 Created: 2011-12-01 Last updated: 2016-03-30Bibliographically approved

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Bechta, Sevostian
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