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Comparaison thermodynamique de refroidisseurs de vin domestiques magnétocaloriques et à compression de vapeur.

Thermodynamic comparison of magnetocaloric and vapor compression domestic wine coolers.

Numéro : 2294

Auteurs : SA de N. M., NAKASHIMA A. T. D., LOZANO J. A., BARBOSA J. R. Jr

Résumé

This paper presents a comparative study of magnetocaloric and vapor compression wine coolers. The vapor compression system is a commercially available 31bottle climate class N appliance, whereas the magnetic cooling device is a TRL5 prototype connected to the retrofitted insulated cabinet of the same VC cooler. Test procedures included temperature pulldown and standardized steadystate energy consumption tests. Detailed instrumentation of both systems allowed a lowlevel comparison in terms of firstand secondlaw based parameters that is unique in the literature. Although the vapor compression system is more efficient than the present magnetic cooling prototype, the behavior of its internally ideal COP led to significant, but realistic design improvements which were evaluated and quantified via a genetic algorithmbased optimization aimed at reducing the system mass and the power consumption. The numerical model, supported by the experimental data, indicate that magnetic cooling systems, although bulkier than their vapor compression counterpart, can be competitive in terms of thermodynamic performance.

Documents disponibles

Format PDF

Pages : 10

Disponible

  • Prix public

    20 €

  • Prix membre*

    15 €

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

Détails

  • Titre original : Thermodynamic comparison of magnetocaloric and vapor compression domestic wine coolers.
  • Identifiant de la fiche : 30028455
  • Langues : Anglais
  • Sujet : Technologie
  • Source : 2021 Purdue Conferences. 18th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Date d'édition : 05/2021
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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