Journal
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID
Volume 32, Issue 1, Pages 78-86Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijrefrig.2008.06.004
Keywords
Magnetic refrigerator; Design; Modelling; Simulation; Performance; COP
Categories
Funding
- Guangdong Provincial Science Technology [2001A1060404, 20041310301009, 2006A11002001, 2007B010600007, 200713010600043]
- Natural Sciences Foundation of Guangdong Province [C013003, 05300306]
- Key Projects of the Guangzhou Civil Science & Technology Program [2002Z2-D2021, 2005Z3-D2061, 2006Z2-D0121, 2006Z2-D0131]
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A room-temperature magnetic refrigerator, consisting of permanent magnet, active magnetic refrigeration (AMR) cycle bed, pumps, hydraulic circuit, active magnetic double regenerator cycle (AM2RC) and control subsystems, has been designed. The magnetic field is supplied by NdFeB permanent magnets. The AMR bed made by stainless steel 304 encloses gadolinium particles as the magnetic working substance. Each part of the refrigerator is controlled by the programmable controller. The different standard heat exchangers are employed to expel heat. The cycle performance of this self-designed facility is analyzed using Langevin theory. The results provide useful data for future design and development of room-temperature magnetic refrigeration. (C) 2008 Elsevier Ltd and IIR. All rights reserved.
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