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Étude de l’option de refroidissement élastocalorique dans un système alimenté par l’énergie solaire.

Investigation of elastocaloric cooling option in a solar energy-driven system.

Auteurs : AL-HAMED K. H. M., DINCER I., ROSEN M. A.

Type d'article : Article de la RIF

Résumé

According to studies of solid-state cooling devices, the elastocaloric cooling device is now considered as a promising future cooling device that will soon reach the market and be competitive, as well as meet the increasing cooling demands of the hot regions in the world. Thus, in this work, the viability of using an elastocaloric cooling device with a solar energy-driven system is assessed and compared thermodynamically to a typical combined cooling and power system for the first time. These two systems are then compared first under the conditions of electricity and cooling demands of a community in Jeddah City. The present results show the overall energy and exergy efficiencies are higher for the novel system than the conventional system by differences of 4.63% and 1.10%, respectively. Also, the elastocaloric cooling device has a lower exergy destruction rate than the absorption chiller by a factor of 1.7. Then, parametric studies are conducted, and the findings show two main things. Firstly, the elastocaloric cooling device is more flexible in meeting higher cooling demands, above 262% cooling percentage, than the absorption chiller is. Secondly, the threshold point for the energetic COP of the elastocaloric cooling device has been identified to be 4.25 so that it becomes competitive in the market of cooling devices.

Documents disponibles

Format PDF

Pages : 340-356

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

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

Détails

  • Titre original : Investigation of elastocaloric cooling option in a solar energy-driven system.
  • Identifiant de la fiche : 30027860
  • Langues : Anglais
  • Sujet : Technologie
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 120
  • Date d'édition : 12/2020
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2020.07.015
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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