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Experimental analysis of a standard and a low refrigerant charge solution with propane to replace R404A in light commercial air-to-air refrigerating applications.

Analyse expérimentale d'une solution standard et d'une solution à faible charge en frigorigène (propane) pour remplacer le R404A dans les applications frigorifiques commerciales air-air.

Numéro : pap. n. 10

Auteurs : MASTRULLO R., MAURO A. W., MENNA L., et al.

Résumé

Light commercial refrigerators working with HC have been considered as a valid alternative to systems working with CFC and HFC. In this work, a light commercial system using R290 as refrigerant is analyzed and a comparison with R404A is performed. Moreover, the effects of the use of low volume heat exchangers on refrigerant charge reduction is also investigated. As regards system design, the effects of refrigerant mass charge and of regenerative capillary tube length on system performance are analyzed. As expected, the comparison between R404A and R290 systems shows that the employment of the HC fluid allows to obtain better performances. In addition, it is possible to remarkably reduce the refrigerant charge in the R290 system by adopting low volume heat exchangers, without penalizing the system performance.

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Format PDF

Pages : 9 p.

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 : Experimental analysis of a standard and a low refrigerant charge solution with propane to replace R404A in light commercial air-to-air refrigerating applications.
  • Identifiant de la fiche : 30006403
  • Langues : Anglais
  • Source : RCR 2012. 3rd IIR Workshop on Refrigerant Charge Reduction in Refrigerating Systems: Valencia, Spain, October 25-26, 2012.
  • Date d'édition : 25/10/2012

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