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Analyse théorique d'un nouveau cycle frigorifique hybride avec deux éjecteurs et un échangeur de chaleur interne pour les réfrigérateurs-congélateurs domestiques.

Theoretical analysis on a novel hybrid refrigeration cycle with two ejectors and internal heat exchanger for domestic refrigerator-freezers.

Numéro : pap. n. 89

Auteurs : BAI T., YAN G., YU J.

Résumé

This study presents a novel domestic refrigerator-freezer refrigeration cycle (NRFC), in which two ejectors and an internal heat exchanger are employed to enhance the refrigeration performance. The theoretical investigation using environmental friendly refrigerant R600a has been carried out, the simulation results show that the NRFC exhibits higher coefficient of performance (COP) and larger cooling capacity than the conventional refrigerator-freezer cycle (CRFC) and single ejector enhanced refrigerator-freezer cycle (ERFC). Under the given operation conditions, it is found that the COP and refrigeration capacity could be improved by 22.1% and 32.0% over the conventional refrigerator-freezer cycle, respectively. The performance characteristics of the novel cycle show its potential practical advantages in domestic refrigerator-freezer systems.

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Pages : 8 p.

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  • 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 : Theoretical analysis on a novel hybrid refrigeration cycle with two ejectors and internal heat exchanger for domestic refrigerator-freezers.
  • Identifiant de la fiche : 30015127
  • Langues : Anglais
  • Source : Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
  • Date d'édition : 16/08/2015
  • DOI : http://dx.doi.org/10.18462/iir.icr.2015.0089

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