Experimental and modelling results of a parallel-plate based active magnetic regenerator

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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The performance of a permanent magnet magnetic refrigerator (PMMR) using gadolinium parallel plates is described. The configuration and operating parameters are described in detail. Experimental results are compared to simulations using an established twodimensional model of an active magnetic regenerator (AMR). In particular, the effect of geometric demagnetization in the regenerator is included in a simplified manner. The model and experimental data are in good agreement while the effect of demagnetization is seen to degrade the performance. It is concluded from the experiments that both thinner plates and channels are needed in order to obtain both temperature spans and cooling powers comparable to those obtained with packed spheres.
Original languageEnglish
JournalInternational Journal of Refrigeration
Publication date2012
Volume35
Number of pages10
ISSN0140-7007
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 7

Keywords

  • Gadolinium, Magnetocaloric effect, Active magnetic regenerator, Demagnetization, Magnetic refrigerator, Magnetic field
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