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Enhancement options for separate sensible and latent cooling air-conditioning systems.

Options pour l'amélioration des systèmes de conditionnement d'air avec séparation de la chaleur latente et de la chaleur sensible.

Auteurs : LING J., KUWABARA O., HWANG Y., et al.

Type d'article : Article, Article de la RIF

Résumé

The performance of desiccant wheel (DW)-assisted separate sensible and latent cooling (SSLC) air-conditioning systems has been greatly improved by the application of divided heat exchangers, resulting in 7 and 46% increases in COP for R410A and CO2 systems, respectively. The paper simulated new performance-enhancing options that include evaporative cooling, a sensible wheel (SW) and an enthalpy wheel (EW) to the SSLC systems. The application of evaporative cooling to the SSLC system further improves the system COP by 7 and 14% respectively. By applying an EW to the SSLC systems, the COP is improved by 39 and 40% respectively. The DW-assisted SSLC technology also can be adopted for the dedicated outdoor system (DOS). It is concluded that only the EW is effective for enhancing the DW-assisted SSLC DOS systems because it lowers not only the cooling requirement of the vapor compression cycle, but also the heat requirement for DW regeneration.

Documents disponibles

Format PDF

Pages : 45-57

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

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

Détails

  • Titre original : Enhancement options for separate sensible and latent cooling air-conditioning systems.
  • Identifiant de la fiche : 30006439
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 36 - n. 1
  • Date d'édition : 01/2013

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