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Développement de modèle d’écoulement diphasique macroscopique basé sur l’approche par milieu poreux équivalent pour un échangeur de chaleur à plaques et à ailettes.

Development of macroscopic two-phase flow model based on equivalent porous media approach for plate and fin heat exchanger.

Numéro : pap. n. 1498

Auteurs : SEPTET C., HUGO J.-M., LEMETAYER O., et al.

Résumé

In this paper, a numerical model based on a macroscopic approach and developed to describe flows, heat and mass transfer phenomena in two-phase heat exchangers, is presented. The two-phase flow model is first established and the basics of macroscopic approach at the volume integration step are introduced. As for the model’s approach, the fluid and solid phases were represented by a homogeneous media, and the governing equations were obtained by a volume averaging of local equations. Physical interactions between the phases were modelled by source terms, whose some parameters formulation could be found either numerically or experimentally. The important parameters that must be characterized are then identified. Therefore, an experimental set-up has to be developed to define the formulations of global and local parameters and then enable the macroscopic simulation of plate and fin heat exchangers.

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Pages : 8

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    20 €

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    Gratuit

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Détails

  • Titre original : Development of macroscopic two-phase flow model based on equivalent porous media approach for plate and fin heat exchanger.
  • Identifiant de la fiche : 30026758
  • Langues : Anglais
  • Source : Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Date d'édition : 24/08/2019
  • DOI : http://dx.doi.org/10.18462/iir.icr.2019.1498
  • Notes :

    Keynote


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