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Corrélation du transfert de chaleur pour les chambres d’aspiration et de compression des compresseurs à spirale.

A heat transfer correlation for the suction and compression chambers of scroll compressors.

Auteurs : PEREIRA E. L. L., DESCHAMPS C. J.

Type d'article : Article, Article de la RIF

Résumé

Heat transfer in the suction and compression chambers of scroll compressors has not been sufficiently studied and typical correlations available in the literature are based on simplified flow conditions. This paper presents the results of a model developed to predict fluid flow and heat transfer inside the suction and compression chambers of scroll compressors. Due to the particular geometry of scroll compressors, an algorithm was developed to adapt the computational mesh automatically for each orbiting angle. Convective heat transfer is strongly affected by the flow in the near-wall region and for this reason a low-Reynolds-number turbulence model was adopted in the simulations. The study covered a wide range of operating conditions and geometric parameters, allowing the proposal of a characteristic velocity for the flow inside the suction and compression chambers and a new heat transfer correlation for scroll compressors, which is compared with other correlations adopted in the literature.

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Format PDF

Pages : 325-334

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Détails

  • Titre original : A heat transfer correlation for the suction and compression chambers of scroll compressors.
  • Identifiant de la fiche : 30022312
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 82
  • Date d'édition : 10/2017
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2017.05.033

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