Thirty years of near room temperature magnetic cooling: Where we are today and future prospects

TitleThirty years of near room temperature magnetic cooling: Where we are today and future prospects
Publication TypeJournal Article
Year of Publication2008
AuthorsGschneidner KA, Pecharsky VK
Journal TitleInternational Journal of Refrigeration-Revue Internationale Du Froid
Volume31
Pages945-961
Date PublishedSep
Type of ArticleReview
ISBN Number0140-7007
Accession NumberISI:000259847400002
Keywordscompound, ENTROPY CHANGE, gd-5(si2ge2), history, magnetic refrigerator, magnetocaloric materials, ni-mn-ga, performance, refrigeration, REGENERATION, single, survey, technology, transition
Abstract

The seminal study by Brown in 1976 showed that it was possible to use the magnetocaloric effect to produce a substantial cooling effect near room temperature. About 15 years later Green et al. built a device which actually cooled a load other than the magnetocaloric material itself and the heat exchange fluid. The major breakthrough, however, occurred in 1997 when the Ames Laboratory/Astronautics proof-of-principle refrigerator showed that magnetic refrigeration was competitive with conventional gas compression cooling. Since then, over 25 magnetic cooling units have been built and tested throughout the world. The current status of near room temperature magnetic cooling is reviewed, including a discussion of the major problems facing commercialization and potential solutions thereof. The future outlook for this revolutionary technology is discussed. (C) 2008 Elsevier Ltd and IIR. All rights reserved.

DOI10.1016/j.ijrefrig.2008.01.004
Alternate JournalInt. J. Refrig.-Rev. Int. Froid