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Optimisation d'un système frigorifique à compression de vapeur sous régime transitoire.

Optimization of a vapor compression refrigeration system in transient regime.

Numéro : pap. ID: 131

Auteurs : STANCIU C., FEIDT M., STANCIU D., et al.

Résumé

The optimization of the transient regime is an important issue to be solved in nowadays engineering. The proposed paper deals with this topic applied to refrigeration machines, being previously studied and published by the authors for equilibrium thermodynamics refrigeration system, as the first step in a cumbersome problem to be additionally developed. The optimization procedure may focus on several objectives: maximum useful effect, minimum consumption or minimum total dissipation. Several operational and dimensional constraints were introduced in the model. Internal and external irreversibilities of the cycle were considered by internal and total entropy generation. The approach concerning the entropic analysis of machines and processes becomes an important tool for the design of real operating machines. The present paper is a further important step in solving this problem, taking into account the finite heat transfer between the sink and refrigerant.

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Pages : 8 p.

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Détails

  • Titre original : Optimization of a vapor compression refrigeration system in transient regime.
  • Identifiant de la fiche : 30001575
  • Langues : Anglais
  • Source : Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
  • Date d'édition : 21/08/2011

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