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Dynamic simulation of an adsorption system for solar air conditioning.

Simulation dynamique d'un système à absorption pour le conditionnement d'air solaire.

Auteurs : POLONARA F., SANTORI G., FRENI A., et al.

Résumé

This paper focuses on the development of a dynamic model for simulating the operation of an adsorption system for solar air conditioning. Solar-assisted adsorption chillers can be thermally driven by low-temperature heat sources (80-100°C), they use safe, non-polluting materials, and their ozone depletion potential (ODP) and global warming potential (GWP) are both nil. Adsorption machines have a mean cooling COP of about 0.6, which is comparable with LiBr single-effect absorption chillers operating under the same conditions (Balaras et al. 2007). Adsorption machines for use in refrigeration are currently being researched but few field tests in realistic installation setting have been conducted so far (Nunez et al., 2007). The model we developed is based on the energy and mass balances for the system's various components and considers climatic data recorded by a weather station installed at Ancona (Italy). Simulating a base case showed that the system can provide 10-12 kW of cooled air at a temperature around 18°C.

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Pages : 2008-2

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Détails

  • Titre original : Dynamic simulation of an adsorption system for solar air conditioning.
  • Identifiant de la fiche : 2009-0172
  • Langues : Anglais
  • Sujet : Généralités
  • Source : 8th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2008)
  • Date d'édition : 07/09/2008

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