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An experimental study on debris formation with corium simulant materials
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. Idaho National Laboratory, United States.
2008 (English)In: International Conference on Advances in Nuclear Power Plants, ICAPP 2008, 2008, 1191-1199 p.Conference paper, Published paper (Refereed)
Abstract [en]

Characteristics of corium debris beds formed in a severe coremelt accident are studied in DEFOR-S experiments, in which binary-oxidic simulant-material melts are discharged into a water pool. Water subcooling and pool depth are found to significantly influence the fragment morphology and agglomeration. The DEFOR-S data to date are indicative of the effect of melt composition, notably eutectic vs. non-eutectic. Synthesis of the DEFOR-S observations with respect to debris fragment's shape and surface roughness suggest the governing role of competitive mechanism: drop breakup, freezing and solid fracture.

Place, publisher, year, edition, pages
2008. 1191-1199 p.
Keyword [en]
Competitive mechanisms, Debris bed, Debris formation, Experimental studies, Melt compositions, Simulant materials, Subcoolings, Water pools, Agglomeration, Debris, Eutectics, Nuclear energy, Nuclear industry, Nuclear power plants, Surface roughness, Nuclear reactor accidents
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-153980Scopus ID: 2-s2.0-70349971077ISBN: 9781605607870 (print)OAI: oai:DiVA.org:kth-153980DiVA: diva2:761402
Conference
International Conference on Advances in Nuclear Power Plants, ICAPP 2008, 8 June 2008 through 12 June 2008, Anaheim, CA, United States
Note

QC 20141106

Available from: 2014-11-06 Created: 2014-10-10 Last updated: 2014-11-06Bibliographically approved

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Kudinov, Pavel

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  • apa
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Output format
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