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Etude expérimentale de l'effet de nano-particules sur le processus de condensation.

Experiment study on the effect of nano-scale particle on condensation process.

Auteurs : WANG K., SHIROMOTO K., MIZOGAMI T.

Résumé

The temperature and the pressure of condenser as well as the heat exchange performance at the standard cooling and warming temperature conditions have been measured in order to investigate the effect of nano-scale particles on condensation process. The refrigerant R-410A is used, and the Ni nano-scale particles are mixed with Ze-GLES68 lubrication oil. The mass of Ni nano-scale particle is 1% to the enclosed mass of R-410A. To compare the effect of nano-scale particle on condensation process, an uniform speed compressor and a capillary tube type air conditioner is used. As a result, it is found that sub-cool degree of the condenser increased 1.8°C as compared to the no Ni nano-scale particles case on the same condensation pressure and the same refrigerant flow rate conditions. We discuss the nano-scale particles behavior between lubrication oil and refrigerant, the role on heat transfer enhancement and the flow regimes for the forced convection when R410A is condensing in the copper tube.

Documents disponibles

Format PDF

Pages : ICR07-B1-1005

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 : Experiment study on the effect of nano-scale particle on condensation process.
  • Identifiant de la fiche : 2007-2574
  • Langues : Anglais
  • Source : ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
  • Date d'édition : 21/08/2007

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