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Modélisation par réseau et simulation de la performance des systèmes frigorifiques à débit variable de frigorigène.

A network model to simulate performance of variable refrigerant volume refrigeration systems.

Auteurs : SHI W., SHAO S., LI X., et al.

Résumé

Variable refrigerant volume (VRV) refrigeration systems have been widely used in residential and light commercial buildings. A fluid network model has been developed to simulate the performance of VRV systems consisting of multiple indoor/outdoor units. This model is based on analysis of system structure, refrigerant flow direction, and refrigerant states in the pipes of a refrigeration system. The characteristics of a heat recovery VRV system with two indoor units were simulated to demonstrate the application of the model. The steady-state performance in different modes and different conditions can be predicted by the model, which would be helpful for analyzing and optimizing a complex refrigeration system under variable operating conditions. This model can serve as an analytical design tool for manufacturers, consulting engineers, research institutions, and universities to improve the performance of multi-unit refrigeration systems such as a VRV system.

Détails

  • Titre original : A network model to simulate performance of variable refrigerant volume refrigeration systems.
  • Identifiant de la fiche : 2006-1437
  • Langues : Anglais
  • Source : ASHRAE Transactions. 2003 annual Meeting, Kansas City, Missouri, USA. Volume 109, part 2 + CD-ROM.
  • Date d'édition : 2003

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