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Étude expérimentale sur les caractéristiques de mouillage d’un distributeur asymétrique à trop-plein de type à élévation du niveau de liquide.

Experimental study on the wetting characteristics of a liquid-level-lifting type asymmetrical overflow distributor.

Numéro : pap. n. 1550

Auteurs : YI Y., HU T., XIE X., et al.

Résumé

Shell-tube falling film structure is commonly adopted for the main components in absorption heat pump (AHP). However, this structure leads to a large size. This work aimed to develop a detachable plate-type falling film heat transfer structure, to present a liquid-level-lifting type asymmetrical overflow distributor system to miniaturize the AHP system. In this work, a specific experimental system was developed. The experimental study under different solution temperatures and distributor dimensions were carried out to find the key factors which influence the wetting characteristics. A structure with optimal wetting performance was determined under the rated flow after the study. The overall wetting rate reached 95%, and the average thickness of liquid film was as low as 0.44mm.An optimized distributor with ideal wetting performance was presented, which promote the development of the detachable plate-type falling film AHP and the application of absorption technology.

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Format PDF

Pages : 8

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  • Prix public

    20 €

  • Prix membre*

    Gratuit

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Détails

  • Titre original : Experimental study on the wetting characteristics of a liquid-level-lifting type asymmetrical overflow distributor.
  • Identifiant de la fiche : 30026538
  • Langues : Anglais
  • Source : Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Date d'édition : 24/08/2019
  • DOI : http://dx.doi.org/10.18462/iir.icr.2019.1550

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