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Document IIF

Performance d'un réfrigérateur magnétique à aimant rotatif à lits fixes en couches.

The performance of a rotary magnet magnetic refrigerator with layered beds.

Auteurs : RUSSEK S., AURINGER J., BOEDER A., et al.

Résumé

Astronautics has developed an upgraded version of its rotary magnet magnetic refrigerator, which employs a 1.4 T magnet rotating over twelve beds arranged circumferentially. The system has been extensively tested with the beds packed with a single layer of Gd as the magnetic refrigerant. We have observed over 840 W of cooling power at zero span, and 400 W at a span of 10°C, with 0.9 kg of Gd. The results are in reasonable agreement with theoretical prediction. Preliminary results at a lower flow rate with the beds packed with five layers of LaFeSiH are reported and include the observation of 400 W of cooling power over a span of 13.4°C, yielding an exergetic-equivalent cooling power of 19.0 W.

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Pages : 2010-4

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Détails

  • Titre original : The performance of a rotary magnet magnetic refrigerator with layered beds.
  • Identifiant de la fiche : 2011-0155
  • Langues : Anglais
  • Source : 4th International Conference on Magnetic Refrigeration at Room Temperature (Thermag IV). Proceedings: Baotou, China, August 23-27, 2010.
  • Date d'édition : 23/08/2010

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