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Experimental investigation on the performance of a solar powered lithium bromide-water absorption cooling system.

Étude expérimentale de la performance d'un système de refroidissement solaire à absorption au bromure de lithium-eau.

Auteurs : LI M., XU C., HASSANIEN R. H. E., et al.

Type d'article : Article, Article de la RIF

Résumé

The performance of solar cooling absorption system needs further research, due to its poor coefficient of performance (COP). Therefore, this study investigated the performance of a 23?kW solar powered single-effect lithium bromide–water (LiBr–H2O) absorption cooling system. Furthermore, the space heating mode was also investigated and the improvement methods were analyzed and discussed. The cooling system was driven by a parabolic trough collector of 56?m2 aperture area and used for cooling a 102?m2 meeting room. Research results revealed that the chiller's maximum instantaneous refrigeration coefficient (chiller efficiency) could be up to 0.6. Most of the time, in sunny and clear sky days the daily solar heat fraction ranged from 0.33 to 0.41 and the collectors field efficiency ranged from 0.35 to 0.45. At the same time, chiller efficiency was varied from 0.25 to 0.7 and the daily cooling COP was varied from 0.11 to 0.27, respectively.

Documents disponibles

Format PDF

Pages : 46-59

Disponible

  • Prix public

    15 €

  • Prix membre*

    Gratuit

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Experimental investigation on the performance of a solar powered lithium bromide-water absorption cooling system.
  • Identifiant de la fiche : 30019423
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 71
  • Date d'édition : 11/2016

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