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Potentiel de performance d'un cycle au CO2 pour un système frigorifique à température moyenne.

Performance potential of CO2 cycle for a medium temperature refrigeration system.

Auteurs : HWANG Y., RADERMACHER R., HWANG S. W., et al.

Résumé

The paper describes the performance potential of the CO2 transcritical cycle with a hermetic linear compressor for a medium temperature refrigeration system. Hermetic linear compressors have been previously developed for subcritical cycles especially for small capacity refrigeration systems and have demonstrated their performance potential as compared to conventional compressors. To investigate the applicability of the linear compressors to the small capacity transcritical CO2 cycle, a prototype CO2 linear compressor was designed and fabricated. The performance of the prototype CO2 linear compressor was then tested in a specially designed test rig. The measured performance shows that while the volumetric efficiency of the linear compressor is at the same level as that of the reciprocating compressor, the compressor efficiency of the linear compressor is 10% higher than that of the CO2 reciprocating compressor.

Détails

  • Titre original : Performance potential of CO2 cycle for a medium temperature refrigeration system.
  • Identifiant de la fiche : 2007-0533
  • Langues : Anglais
  • Source : ACRA-2006. Proceedings of the 3rd Asian conference on refrigeration and air conditioning.
  • Date d'édition : 21/05/2006

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