Journal
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID
Volume 34, Issue 1, Pages 168-177Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijrefrig.2010.08.014
Keywords
Magnetic refrigerator; Exergy; Performance; Gadolinium; Cost
Categories
Funding
- Natural Sciences and Engineering Research Council of Canada
- NSERC Hydrogen Canada (H2Can) Strategic Network
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The commercialization of magnetic refrigerators depends upon the ability to meet performance targets while having acceptable equipment costs. This paper links device design parameters and performance of magnetic refrigerators to the cost of cooling delivered. A device configuration parameter, D, is defined that links the field volume to the volume of magnetocaloric material. Combined with the magnet performance parameter, efficiency, and specific exergetic cooling, the cost structure of a magnetic refrigerator is determined. Some magnetic refrigerators reported in the literature are classified using their configuration parameters, and are then compared in terms of demonstrated performance using results available in the literature. The required improvement in performance is calculated such that the cost of a magnetic refrigerator would be equivalent to a conventional compressor-based device. Finally, some of the reasons for different performance are discussed with a focus on opportunities for improvements. (C) 2010 Elsevier Ltd and IIR. All rights reserved.
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