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Évaluation des performances d'un système combiné de déshumidification et de refroidissement évaporatif indirect basé sur des réseaux métallo-organiques dans différents climats.

Performance evaluation of a metal organic frameworks based combined dehumidification and indirect evaporative cooling system in different climates.

Auteurs : ZAKERI SHAHVARI S., AHMADI KALKHORANI V. A., CLARK J. D.

Type d'article : Article de la RIF

Résumé

Evaporative coolers, although more energy efficient than vapor-compression air conditioning systems, are not suitable candidates for humid climates due to their evaporation-based operating principle. Integration of indirect-evaporative coolers with a desiccant can solve this problem but desiccant systems still require a high-temperature energy source for regeneration of the sorbent. In this work we investigate the integration of selected Metal Organic Frameworks (MOFs) including CAU-23, CAU-10 and Co2Cl2(BTDD) as the sorbent in a combined desiccant wheel and indirect evaporative cooling system and compare the system's optimal regeneration temperature and coefficient of performance (COP) with a traditional silica gel-based system under a wide range of outdoor conditions. We validate a first principles model with experimental data and then use this model to investigate different MOF-based systems. Our results show that depending on the inlet conditions, MOF-based systems can have a COP of 2.7 to 6 times greater than a silica gel-based system, with an optimal regeneration temperature of 40 to 75 °C. This allows for the feasibility of using low-temperature heat sources as the primary energy source for the system.

Documents disponibles

Format PDF

Pages : 186-197

Disponible

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    20 €

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    Gratuit

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Détails

  • Titre original : Performance evaluation of a metal organic frameworks based combined dehumidification and indirect evaporative cooling system in different climates.
  • Identifiant de la fiche : 30029952
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 140
  • Date d'édition : 08/2022
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2022.05.001
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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