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Caractéristiques de transfert de la chaleur de la section évaporateur comprenant des petits serpentins hélicoïdaux dans un caloduc à boucle.

Heat transfer characteristics of the evaporator section using small helical coiled pipes in a looped heat pipe.

Auteurs : YI J., LIU Z. H., WANG J.

Type d'article : Article

Résumé

An experimental study was carried out on the heat transfer characteristics and the flow patterns of the evaporator section using small diameter coiled pipes in a looped heat pipe (LHP). Glass pipes and stainless steel pipes were used as evaporator section. The combined effect of the evaporation of the thin liquid film, the disturbance caused by pulsation and the secondary flow greatly enhanced the heat transfer and the critical heat flux of the evaporator section. Two dimensionless empirical correlations were proposed for predicting the heat transfer coefficients.

Détails

  • Titre original : Heat transfer characteristics of the evaporator section using small helical coiled pipes in a looped heat pipe.
  • Identifiant de la fiche : 2003-1196
  • Langues : Anglais
  • Source : Applied Thermal Engineering - vol. 23 - n. 1
  • Date d'édition : 01/2003

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