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Réduction de la charge d'un refroidisseur à ammoniac à l'aide de condenseurs refroidis avec des tubes à microcanaux en aluminium.

Charge reduction in an ammonia chiller using air cooled condensers with aluminium microchannel tubes.

Auteurs : HRNJAK P., LITCH A.

Résumé

The paper presents experimental results from a prototype ammonia chiller with an air-cooled condenser and a plate evaporator. The main objectives of the prototype were to reduce the ammonia charge and size of the system. The charge is reduced to 20 g/kW. The major contribution comes from use of microchannel aluminium tubes. The performances of the chiller and condensers are compared based on a standard different from other available ammonia chillers. This prototype was made and examined in the Air Conditioning and Refrigeration Center in 1998, at the University of Illinois at Urbana-Champaign.

Détails

  • Titre original : Charge reduction in an ammonia chiller using air cooled condensers with aluminium microchannel tubes.
  • Identifiant de la fiche : 2002-2252
  • Langues : Anglais
  • Source : Maintaining balance. Technical papers of the 2001 IIAR Ammonia refrigeration conference and exhibition, Long Beach, CA, USA.
  • Date d'édition : 18/03/2001
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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