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Multiphase Science and Technology
SJR: 0.153 SNIP: 0.222 CiteScore™: 0.26

ISSN Imprimir: 0276-1459
ISSN On-line: 1943-6181

Multiphase Science and Technology

DOI: 10.1615/MultScienTechn.v12.i2.10
141 pages

MATERIAL EFFECTS ON MULTIPHASE PHENOMENA IN LATE PHASES OF SEVERE ACCIDENTS OF NUCLEAR REACTORS

Jean-Marie Seiler
Commissariat a l'Energie Atomique (CEA), DEN/DTP, 17 rue des Martyrs, 38054 Grenoble cedex 9, France
K. Froment
CEA/GRENOBLE, DTA/CEREM/DEM, 17 rue des Martyrs, 38054 Grenoble Cedex 09, France

RESUMO

This paper reviews and presents work carried out in the French Atomic Energy Commission (CEA) on the subject of nuclear severe accidents, i.e. those which are accompanied by melting of the nuclear core material. The emphasis is on the (crucial) thermodynamic and material behaviour of corium melts in the solidus-liquidus temperature interval, which is linked to the thermal hydraulic description. A global model approach is proposed. The work is presented in the context of the overall international effort in the area.


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