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Caractéristiques d'assèchement des frigorigènes en écoulement dans les tubes horizontaux des évaporateurs.

[In Japanese. / En japonais.]

Auteurs : YOSHIDA S., MORI H., KAKIMOTO Y., et al.

Type d'article : Article

Résumé

Experiments were made with HFC-134a and HCFC-22 inside smooth tubes and a spirally grooved tube. At given conditions, dryout proceeded over a certain quality range. Therefore two dryout quality were defined: dryout inception quality at which the circumferentially averaged (axially local) heat transfer coefficient began to decrease rapidly, and dryout completion quality at which the decrease in the heat transfer coefficient ended. The characteristics of both dryout qualities were clarified, and thereby were classified into three characteristic regimes for the smooth tube and two regimes for the micro-fin tube. A dimensionless correlation of each dryout quality, was developed for the respective tubes.

Détails

  • Titre original : [In Japanese. / En japonais.]
  • Identifiant de la fiche : 2001-2675
  • Langues : Japonais
  • Source : Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers - vol. 17 - n. 4
  • Date d'édition : 2000
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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