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Macroscopic model for equiaxed solidification of binary mixtures


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Titre du congrès :MCWASP Conference on Modeling of Casting, Welding and Advanced Solidification Processes XI Ville du congrès :Opio Date du congrès :28/05/2006

Type de document > *Congrès/colloque

Mots clés > sûreté, mélange binaire, solidification

Unité de recherche > IRSN/DPAM/SEMCA/LESAG

Auteurs > FICHOT Florian, GOBIN Dominique, GOYEAU Benoît, QUINTARD Michel, ROUX Patrick

Date de publication > 02/06/2006

Résumé

A macroscopic model of solidification for binary mixtures accounting for solid transport is developed. Average conservation equations are derived using a volume averaging technique. Such upscaling procedure introduces non classical terms in the resulting macroscopic conservation equations for which a closure is proposed. The model is tested on an experimental case of equiaxed solidification.