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research article

Experimental validation of a coupled magneto-thermal model for a flat-parallel-plate active magnetic regenerator

Vuarnoz, D.  
•
Kawanami, T.
2013
Applied Thermal Engineering

In this study, a flat-parallel-plate active magnetic regenerator made of gadolinium is investigated. The coupling of a one-dimensional thermal model with a two-dimensional magnetic model is presented. The thermal model takes into consideration the magnetocaloric effect as a source term and the energy conservation between a solid and a fluid. The magnetic model considers the space distribution of the internal magnetic field strength, and thus it includes the demagnetization effect. Measurements on an experimental magnetic refrigeration test device are performed using distilled water as the working fluid. At cyclic steady states, the temperatures of the fluid on both sides of the regenerator are calculated numerically and compared with the measurement results. The inability to provide a constant internal magnetic field during the heat transfer process with a permanent magnet is demonstrated. A reasonable agreement between simulations and experiments confirms the validity of the proposed model. (C) 2013 Elsevier Ltd. All rights reserved.

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Type
research article
DOI
10.1016/j.applthermaleng.2013.01.007
Web of Science ID

WOS:000319642500009

Author(s)
Vuarnoz, D.  
Kawanami, T.
Date Issued

2013

Published in
Applied Thermal Engineering
Volume

54

Issue

2

Start page

433

End page

439

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
BUILD-O  
Available on Infoscience
October 20, 2015
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/119988
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