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Sistema híbrido de acondicionamiento de aire con amoniaco y desecante líquido.

Système de conditionnement d'air hybride à base de déshydratant liquide à l'ammoniac.

Auteurs : REDDY S. V. K., PANCHAL G. I., SALVI A. B.

Type d'article : Article de périodique

Résumé

This article is the Spanish translation of an article presented at the IIR conference in Ohrid, Macedonia (see the Bulletin of the IIR, reference 2007-2240). The combination of a vapour-compression system and a liquid desiccant (LD) system is the hybrid air-conditioning system (HACS) which can be energy efficient and environmental friendly. The HACS has received considerable attention due to its inherent ability to use low-grade thermal energy and reduce the latent cooling load. These systems have the ability to provide the required humidity and temperature for human comfort, while reducing the electrical energy requirement compared to a vapour-compression system alone. This paper presents the simulation results of a HACS, working with ammonia refrigerant and calcium chloride LD. The capacity of the ammonia compressor selected is 42.5 kW with an evaporator temperature of 15°C and condenser temperature of 50°C. As the evaporator temperature is increased from 7.2°C of conventional air conditioner to 15°C, the COP of HACS increases by 35%. The process air is cooled and dehumidified in the absorber. The heat rejected from the condenser is used to regenerate the LD in the regenerator. The absorber and regenerator used incorporate a large heat and mass transfer area and work without any carryover of LD. The simulation is carried out using MATHCAD software.

Documents disponibles

Format PDF

Pages : 52-60 (7 p.)

Disponible

  • Prix public

    20 €

  • Prix membre*

    15 €

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

Détails

  • Titre original : Sistema híbrido de acondicionamiento de aire con amoniaco y desecante líquido.
  • Identifiant de la fiche : 2009-0743
  • Langues : Espagnol
  • Source : Frío Calor Aire acondicionado - vol. 36 - n. 406
  • Date d'édition : 09/2008

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