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Corrélations entre la taille des bulles et le transfert de chaleur au cours de l'absorption à NH3-H2O.

Bubble size and mass transfer correlations of NH3-H2O bubble absorption.

Auteurs : KANG Y. T., NAGANO T., KASHIWAGI T.

Résumé

The objectives of this work were to study the effect of key parameters on absorption performance and to develop an experimental correlation of mass transfer coefficient for ammonia-water bubble absorption. The orifice diameter, liquid concentration and vapour velocity were considered as the key parameters. The study successfully visualized the bubble behaviour and measured the volumetric diameter of bubbles during the bubble absorption process. A new experimental correlation for the volumetric bubble diameter was proposed with approximately 15% error band, which could be applied to calculate the mass transfer coefficient.

Détails

  • Titre original : Bubble size and mass transfer correlations of NH3-H2O bubble absorption.
  • Identifiant de la fiche : 2004-0651
  • Langues : Anglais
  • Source : Proceedings of the International Sorption Heat Pump Conference.
  • Date d'édition : 24/09/2002
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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