Journal
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID
Volume 37, Issue -, Pages 176-184Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijrefrig.2013.09.028
Keywords
Magnetocalorics; Magnetic refrigeration; Thermal switches; Peltier elements; Seebeck effect; High-frequency
Categories
Funding
- Gebert Ruf Stiftung
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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. (C) 2013 Elsevier Ltd and IIR. All rights reserved.
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