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Analyse théorique et expérimentale de la surchauffe dans les compresseurs de pompes à chaleur.

Theoretical and experimental analysis of the superheating in heat pump compressors.

Numéro : pap. 1568

Auteurs : FONSECA J. N., KREMER R., DUTRA T.

Résumé

In a conventional cooling system, refrigerant superheating inside the compressor is largely responsible for overall energy losses, increasing the compression specific work and decreasing the cooling capacity. In heat pump applications, superheating not only affects the compression loss, but also the specific heating capacity of the system, since the inlet temperature of the condenser depends on the final temperature of compression. Kremer et al. (2011) proposed a new approach to identify and understand the superheating losses in compressors submitted to heat pump applications. In this paper, a more accurate approach is proposed and the effects of refrigerant superheating are analyzed using a compressor thermal model. Different configurations of compressors are experimentally and numerically evaluated in order to validate the theoretical model. The obtained results follow the trend established by the theoretical purpose.

Documents disponibles

Format PDF

Pages : 8 p.

Disponible

  • Prix public

    20 €

  • Prix membre*

    15 €

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Theoretical and experimental analysis of the superheating in heat pump compressors.
  • Identifiant de la fiche : 30007588
  • Langues : Anglais
  • Source : 2012 Purdue Conferences. 21st International Compressor Engineering Conference at Purdue.
  • Date d'édition : 16/07/2012

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