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Performance analysis of a multi-mode thermochemical sorption refrigeration system for solar-powered cooling / T.X. Li in International journal of refrigeration, Vol. 35 N° 3 (Mai 2012) 

Public ISBD [article]  in International journal of refrigeration > Vol. 35 N° 3 (Mai 2012) . - pp. 532–542 Titre : Performance analysis of a multi-mode thermochemical sorption refrigeration system for solar-powered cooling Titre original : Analyse de la performance d’un système frigorifique thermochimique à sorption multimodal pour le refroidissement solaire Type de document : texte imprimé Auteurs : T.X. Li, Auteur ; R.Z. Wang, Auteur ; J.K. Kiplaga, Auteur Année de publication : 2012 Article en page(s) : pp. 532–542 Note générale : Génie mécanique Langues : Anglais (eng) Mots-clés : Solar  energy  Sorption  system  Refrigeration  Heat  recovery  Thermodynamic  cycle Résumé : A multi-mode thermochemical sorption refrigeration system is presented for solar-powered cooling. The proposed system consists of three sorption refrigeration thermodynamic cycles that can be alternately operated based on the available solar energy insolation viz: combined double-way cycle, double-effect cycle and two-stage cycle. The working performance of the different sorption refrigeration cycles were theoretically analyzed and compared. For combined double-way sorption cycle, both adsorption refrigeration and resorption refrigeration were combined to improve the cooling capacity. For double-effect sorption cycle, one internal heat recovery process was employed to enhance the energy utilization efficiency. For two-stage cycle with internal heat recovery process, a secondary reactive salt was used to lower the driving regeneration temperature. Thermodynamic analysis showed that the working modes of the proposed system can be switched according to the different driving heat source temperatures. In comparison with the conventional solar solid-gas sorption refrigeration system, the presented multi-mode system can contribute to improving the utilization efficiency of solar energy and widening the scope of application of solar thermochemical sorption refrigerator. ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700711002738 [article] Performance analysis of a multi-mode thermochemical sorption refrigeration system for solar-powered cooling = Analyse de la performance d’un système frigorifique thermochimique à sorption multimodal pour le refroidissement solaire [texte imprimé] / T.X. Li, Auteur ; R.Z. Wang, Auteur ; J.K. Kiplaga, Auteur . - 2012 . - pp. 532–542. Génie mécanique Langues : Anglais (eng) in International journal of refrigeration > Vol. 35 N° 3 (Mai 2012) . - pp. 532–542 Mots-clés : Solar  energy  Sorption  system  Refrigeration  Heat  recovery  Thermodynamic  cycle Résumé : A multi-mode thermochemical sorption refrigeration system is presented for solar-powered cooling. The proposed system consists of three sorption refrigeration thermodynamic cycles that can be alternately operated based on the available solar energy insolation viz: combined double-way cycle, double-effect cycle and two-stage cycle. The working performance of the different sorption refrigeration cycles were theoretically analyzed and compared. For combined double-way sorption cycle, both adsorption refrigeration and resorption refrigeration were combined to improve the cooling capacity. For double-effect sorption cycle, one internal heat recovery process was employed to enhance the energy utilization efficiency. For two-stage cycle with internal heat recovery process, a secondary reactive salt was used to lower the driving regeneration temperature. Thermodynamic analysis showed that the working modes of the proposed system can be switched according to the different driving heat source temperatures. In comparison with the conventional solar solid-gas sorption refrigeration system, the presented multi-mode system can contribute to improving the utilization efficiency of solar energy and widening the scope of application of solar thermochemical sorption refrigerator. ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700711002738