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Comparaison théorique de la performance d'un système à pompe à chaleur à absorption en applications chauffage et refroidissement et utilisant un hydroxyde ternaire et une solution aqueuse de bromure de lithium.

Theoretical comparison of performance of an absorption heat pump system for cooling and heating operating with an aqueous ternary hydroxide and water/lithium bromide.

Auteurs : ROMERO R. J., RIVERA W., GRACIA J., et al.

Type d'article : Article

Résumé

The paper compares the theoretical performance of the modelling of a heat pump system for cooling and heating operating with water/lithium bromide and an alternative aqueous ternary hydroxide mixture of sodium, potassium and caesium in the proportions of 40:36:24. Plots of Carnot COPs and enthalpy based COPs are shown. The results showed that similar COPs are obtained for both mixtures; however, it was found that the system operating with the alternative mixture may operate with a higher range of condenser and absorber temperatures and the heat delivered by these components can be easily removed by air.

Détails

  • Titre original : Theoretical comparison of performance of an absorption heat pump system for cooling and heating operating with an aqueous ternary hydroxide and water/lithium bromide.
  • Identifiant de la fiche : 2002-0154
  • Langues : Anglais
  • Source : Applied Thermal Engineering - vol. 21 - n. 11
  • Date d'édition : 08/2001

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