Kinetics of the Soret effect: Transient in the transport process

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 1990 Belgium English Publisher:American Physical Society (APS)Journal:Physical Review A, volume 41, pages 6,727-6,731 (issn: 1050-2947, eissn: 1094-1622,

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Authors: Van Vaerenbergh, Stefan; Legros, Jean Claude;

doi: 10.1103/physreva.41.6727

pmid: 9903086

handle: 2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/80422

Kinetics of the Soret effect: Transient in the transport process

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Abstract

A Greens function is given for the canonical form of the thermodiffusion problem. The analytical and numerical solutions obtained for an initially homogeneous mixture reveal that the process at the boundaries is enhanced during the initial phase. This has to be related to the observations made by Tanner [Trans. Faraday Soc. 23, 75 (1927)] that the concentration change is extremely rapid at the boundaries. Impact on liquid-alloy crystallization is briefly analyzed. © 1990 The American Physical Society.

Country

Belgium

Related Organizations

Université Libre de Bruxelles
Belgium
Free University of Brussels
Belgium

Keywords

Thermodynamique et thermochimie [physique], Sciences de l'ingénieur

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