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Enhancing Nuclear Safety


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Macroscopic model for equiaxed solidification of binary mixtures


Congress title :MCWASP Conference on Modeling of Casting, Welding and Advanced Solidification Processes XI
Congress town :Opio
Congress date :28/05/2006

Document type > *Congrès/colloque

Keywords > safety, binary mixture, solidification

Research Unit > IRSN/DPAM/SEMCA/LESAG

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

Publication Date > 02/06/2006

Summary

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.
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