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Réfrigération commerciale utilisant l'ammoniac et le CO2 comme fluides de travail.

Commercial refrigeration with ammonia and CO2 as working fluids.

Auteurs : EGGEN G.

Résumé

The author presents different concepts for commercial refrigerating systems using ammonia as working fluid and CO2 as a secondary fluid or working fluid. CO2 is regarded a very promising secondary fluid for low temperature (freezing) applications, e.g. in combination with two-stage ammonia systems. CO2 is also a viable option in a cascade ammonia/CO2 plant. Moreover, when commercial high-pressure compressors are developed, CO2 can be used as the only working fluid. The latter systems will attain a higher energy efficiency than that of conventional direct expansion systems and two-stage ammonia plants using CO2 as a secondary fluid.

Détails

  • Titre original : Commercial refrigeration with ammonia and CO2 as working fluids.
  • Identifiant de la fiche : 1998-3401
  • Langues : Anglais
  • Source : Compression systems with natural working fluids. International R&D on heat pump, air conditioning and refrigerating systems. Workshop proceedings.
  • Date d'édition : 02/10/1997
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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