Partager

Document IIF

Transfert de chaleur lors de la condensation et configuration de l'écoulement à l'intérieur d'un tube à microailettes à chevrons.

Condensation heat transfer and flow pattern inside a herringbone-type micro-fin tube.

Auteurs : MIYARA A., NONAKA K., TANIGUCHI M.

Type d'article : Article, Article de la RIF

Résumé

Condensation heat transfer and pressure drop of R410A and R22 in a newly proposed herringbone-type micro-fin tube are measured and compared to those of a helical micro-fin tube and a smooth tube. The heat transfer coefficient of the herringbone micro-fin tube is higher than that of the helical micro-fin tube in the high mass velocity region, while it has slightly lower value in the low mass velocity region. Pressure drop of the herringbone micro-fin tube is, however, higher than that of the helical micro-fin tube. Flow patterns of the herringbone micro-fin tube are observed and the heat transfer enhancement mechanism is discussed. The heat transfer coefficient and pressure drop of the helical micro-fin tube is predicted well with previously proposed correlations, while those of the herringbone-type micro-fin tube has higher value than the predicted values. Preliminary correlations for the pressure drop and the heat transfer coefficient are proposed for the herringbone micro-fin tube.

Documents disponibles

Format PDF

Pages : 141-152

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Condensation heat transfer and flow pattern inside a herringbone-type micro-fin tube.
  • Identifiant de la fiche : 2000-2436
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 23 - n. 2
  • Date d'édition : 03/2000

Liens


Voir d'autres articles du même numéro (5)
Voir la source

Indexation