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A study of ex-vessel debris formation in a LWR severe accident
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Power Safety.ORCID iD: 0000-0002-0683-9136
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Power Safety.
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Power Safety.
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Power Safety.
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2007 (English)In: Proceedings of the International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work": Societe Francaise d'Energie Nucleaire, Curran Associates, Inc., 2007, 2848-2859 p.Conference paper, Published paper (Refereed)
Abstract [en]

In the paper we analyze phenomena that governdebrisformationand introduceacomprehensive framework to exhibit their interrelationship duringahypotheticalsevereaccidentinaboiling water reactor (BWR). We focus on phenomena feedbacks and identify key parameters which are believed to have significant effect ondebrispacking, including boiling regimes on fragments, their settling against steam flow stemming fromabottom bed. Based on scoping calculations for reactor scenarios, the prototypic range of the key parameters is delineated. Taking into account the practical and technical constraints of laboratory experiments with simulant fluids and results from calculations for experimental conditions, we establish feasibility and parameter ranges, under whichanew series of DEFOR-S "snap-shot" experiments shall be conducted to provide reactor relevant data and insights. Requirements on DEFOR-S experimental measurements and data analysis are also discussed in the paper.

Place, publisher, year, edition, pages
Curran Associates, Inc., 2007. 2848-2859 p.
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-53790Scopus ID: 2-s2.0-52249116051ISBN: 9781604238716 (print)OAI: oai:DiVA.org:kth-53790DiVA: diva2:470973
Conference
International Conference on Advances in Nuclear Power Plants (ICAPP’07), Nice, France, May 13-18, 2007
Note

Paper No.7512. QC 20120301

Available from: 2011-12-30 Created: 2011-12-30 Last updated: 2014-10-20Bibliographically approved

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Kudinov, Pavel

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  • apa
  • harvard1
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  • de-DE
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  • Other locale
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Output format
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