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Conception et simulation d'un système frigorifique d'une grande efficacité avec accumulation de chaleur pour le dégivrage à gaz chaud à cycle inversé.

Design and simulation of a high-efficiency refrigeration system with heat storage for reverse cycle hot gas defrost.

Auteurs : CHOI K. I., OH J. T., LEE D. G., et al.

Résumé

This paper presents the development of a computer model for design and simulation of a high efficiency refrigeration system equipped with heat storage for reverse cycle-hot gas defrost (the stored heat is used during defrost cycle of the system). The model was used to design an evaporator and a condenser and to determine heat storage size based on predetermined cooling condition. Simulations with the selected components were carried out to investigate refrigeration system performance under various operating conditions during refrigeration and defrost cycles. The simulation of defrost cycles provide quantitative information on energy efficiency and the defrost time required which is important in order to avoid excessive parasitic load and temperature rise.

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Format PDF

Pages : ICR07-B2-1203

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Détails

  • Titre original : Design and simulation of a high-efficiency refrigeration system with heat storage for reverse cycle hot gas defrost.
  • Identifiant de la fiche : 2008-0692
  • Langues : Anglais
  • Source : ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
  • Date d'édition : 21/08/2007

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