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Etude expérimentale sur un système frigorifique à sorption chimique utilisant deux lits adsorbants.

Experimental study on a combined double-way chemisorption refrigeration system.

Auteurs : XU L., WANG R. Z., LI T. X., et al.

Type d'article : Article, Article de la RIF

Résumé

A combined double-way chemisorption refrigeration system was described and investigated, and the experimental test unit was built, which consists of two adsorption beds: one high-temperature salt bed (HTS bed), which is filled with manganese chloride; and one low-temperature salt bed (LTS bed), which is filled with barium chloride. Moreover, the working performance of double-way chemisorption refrigeration cycle was studied. This cycle uses only one heat input to get two cold outputs, one of which comes from the evaporation heat produced by the refrigerant during the adsorption process, and another of which is from decomposition reaction heat consumed by LTS during the resorption process. The experimental results showed that the coefficient of performance (COP) and specific cooling power (SCP) were 0.703 and 225 W/kg respectively at the refrigeration temperature of 15°C, regeneration temperature of 160°C and heat sink temperature of 30°C. Also, the relation between the average global conversion and the COP value were found and analyzed. And the choice of salts and optimum reaction time were discussed either.

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Pages : 914-921

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Détails

  • Titre original : Experimental study on a combined double-way chemisorption refrigeration system.
  • Identifiant de la fiche : 30000509
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 34 - n. 4
  • Date d'édition : 06/2011

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