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Document IIF

Performances des systèmes frigorifiques sous des conditions de givrage : modèle prévisionnel et validation expérimentale.

Refrigerating system performances under frosting conditions: predictive model and experimental validation.

Auteurs : YOUBI-IDRISSI M., GUILPART J.

Résumé

Frost formation and thickness growth are predicted in this paper using a theoretical model based on heat and mass balances. Thus, the model was coupled to a refrigerating system to calculate its performances under frosting conditions, especially in environmental conditions favorable for appearance of such phenomenon. Confrontation of theoretical model to experimental results was carried out on a storage cell which the temperature and humidity are controlled. Numerical results revealed that the proposed model predicted sufficiently well both correctly evaporating temperature and COP degradations.

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Pages : ICR07-B2-268

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Détails

  • Titre original : Refrigerating system performances under frosting conditions: predictive model and experimental validation.
  • Identifiant de la fiche : 2008-0222
  • 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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