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Comparaison des refroidisseurs de liquide avec des compresseurs à vis pour les applications de conditionnement d'air à ammoniac et au R-134a.

Comparison of liquid chillers with screw compressors for air-conditioning applications with ammonia and R-134a.

Type d'article : Article de périodique

Résumé

Liquid chillers with indirect cooling are standard products in air-conditioning technology. In general, water or brine is the secondary refrigerant that flows through various components of an air-conditioning system. This brief note presents the comparison between R-134a and ammonia. In Germany the installation of ammonia refrigerating systems is allowed in public buildings if there is an indirect cooling system and all the refrigerant-containing components are installed in a machinery room or outdoors. In the past few years the refrigerant charge for liquid chillers with ammonia have been drastically reduced by using plate heat exchangers or enhanced surface shell-and-tube heat exchangers.

Détails

  • Titre original : Comparison of liquid chillers with screw compressors for air-conditioning applications with ammonia and R-134a.
  • Identifiant de la fiche : 2007-2470
  • Langues : Anglais
  • Source : Eurammon-Inf. - n. 8
  • Date d'édition : 12/2006

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