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Convection de Marangoni : théorie sur le transfert de chaleur et de masse appliquée à deux points et nouvelle formulation de l'équation de Laplace.

The Marangoni convection: a two-point theory of mass and heat transfer and Laplace equation new wording approach.

Auteurs : STAICOVICI M. D., ISVORANU D.

Résumé

The Marangoni convection basic mechanism is not well understood. This work presents results elucidating this effect, based on a new wording of the Laplace equation. Some typical case studies, where Marangoni convection occurs, are examined in the light of this new theory. The TPT equation and the new Laplace equation are used to model a pseudo-Marangoni cell with an ammonia-water absorption process. Results are graphically presented and emphasize strong induced fluid convection. They also suggest that Marangoni convection could be obtained in binary absorption-generation processes too, without surfactant use, if adequate cells were constructed.

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Détails

  • Titre original : The Marangoni convection: a two-point theory of mass and heat transfer and Laplace equation new wording approach.
  • Identifiant de la fiche : 2004-1154
  • Langues : Anglais
  • Source : 21st IIR International Congress of Refrigeration: Serving the Needs of Mankind.
  • Date d'édition : 17/08/2003

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