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Variations des performances de transfert de chaleur de condenseurs dues à la non uniformité de la vitesse de l’air.

Heat transfer performance variations of condensers due to non-uniform air velocity distributions.

Auteurs : LEE W. J., JEONG H. J.

Type d'article : Article, Article de la RIF

Résumé

The heat transfer performance variations of condensers that are caused by non-uniform distributions of air flows are investigated using a numerical simulation method. A heat exchanger designed for the outdoor unit of a heat pump system is selected and represented using a numerical model. A non-uniform profile of the air velocity is constructed through measuring the air velocity at various locations on the outdoor unit. Numerical analyses are conducted for various refrigerant circuits and air flow conditions. The results demonstrate that the heat transfer capacity is reduced depending on the air flow rate and the refrigerant circuit configuration. It is also demonstrated that the capacity reduction rate is increased as the average air velocity decreases.

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Format PDF

Pages : 85-95

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Détails

  • Titre original : Heat transfer performance variations of condensers due to non-uniform air velocity distributions.
  • Identifiant de la fiche : 30018474
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 69
  • Date d'édition : 09/2016

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