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High-frequency magnetocaloric modules with heat gates operating with the Peltier effect
Egolf, Peter W.; Gravier, Laurent; Francfort, Thibault; Pawlowski, Anne Gabrielle; Courret, Gilles; Croci, Mirko
2014
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Résumé

Magnetic heat pumps, refrigerators and energy conversion prototypes, with an operation based on the magnetocaloric effect, usually show a restriction in their frequency of operation to a few Hertz. In 2010 it was proposed to apply thermal switches to overcome this barrier. In this article thermal switches built with Ni-nanowire Peltier elements are presented and the performance of such elements is discussed on a theoretical and experimental basis. Finally an approximate estimate of the performance of a magnetic refrigerator of the types built up to present is compared to that of a magnetic refrigerator applying nanowire thermal switches.

Détails

Titre
High-frequency magnetocaloric modules with heat gates operating with the Peltier effect
Titre traduit
Modules magnétocaloriques à haute fréquence munis d’interrupteurs thermiques fonctionnant grâce à l’effet Peltier
Auteur(s)/ trice(s)
Egolf, Peter W. (School of Engineering and Management Vaud, HES-SO, University of Applied Sciences and Arts Western Switzerland)
Gravier, Laurent (School of Engineering and Management Vaud, HES-SO, University of Applied Sciences and Arts Western Switzerland)
Francfort, Thibault (School of Engineering and Management Vaud, HES-SO, University of Applied Sciences and Arts Western Switzerland)
Pawlowski, Anne Gabrielle (School of Engineering and Management Vaud, HES-SO, University of Applied Sciences and Arts Western Switzerland)
Courret, Gilles (School of Engineering and Management Vaud, HES-SO, University of Applied Sciences and Arts Western Switzerland)
Croci, Mirko (School of Engineering and Management Vaud, HES-SO, University of Applied Sciences and Arts Western Switzerland)
Date
2014-01
Publié dans
International Journal of Refrigeration
Volume
2014, vol. 37, pp. 176-184
Pagination & équivalents
9 p.
DOI
https://doi.org/10.1016/j.ijrefrig.2013.09.028
ISSN
0140-7007
Mots-clés (libres)
magnetocalorics ; magnetic refrigeration ; thermal switches ; Peltier elements ; Seebeck effect ; high-frequency

magnétocalorique ; froid magnétique ; interrupteurs thermiques ; haute fréquence ; effet Seebeck ; éléments de l'effet Peltier
Type d'article
scientifique
Domaine
Ingénierie et Architecture
Ecole
HEIG-VD
Institut
COMATEC – Institut Conception mécanique et technologies des matériaux
iE - Institut des Energies
Note
Cette publication a été rédigée par un membre de l’institut COMATEC - Institut de Conception, Matériaux, Emballage & Conditionnement.
Cette publication a été rédigée par un membre de l’ancien institut IGT - Institut de Génie Thermique.
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