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Influence of thermal conductivity on the dynamic response of magnetocaloric materials
journal contribution
posted on 2015-08-28, 13:54 authored by G. Porcari, Kelly MorrisonKelly Morrison, F. Cugini, J.A. Turcaud, F. Guillou, A. Berenov, N.H. van Dijk, E. Brueck, L.F. Cohen, M. SolziWe compare the magnetocaloric effect of samples prepared with different thermal conductivities to investigate the potential of composite materials. By applying the magnetic field under operating conditions we test the material's response and compare this to heat transfer simulations in order to check the reliability of the adiabatic temperature change probe used. As a result of this study we highlight how the material's thermal conductivity influences Full-size image (<1 K), the time constant of temperature change. This parameter ultimately limits the maximum frequency of a refrigerant cycle and offers fundamental information about the correlation between thermal conductivity and the magnetocaloric effect.
Funding
This work was supported by the UK EPSRC Programme grant, Nanostructured functional materials for Energy Efficient Refrigeration (EP/G060940).
History
School
- Science
Department
- Physics
Published in
International Journal of RefrigerationCitation
PORCARI, G. ...et al., 2015. Influence of thermal conductivity on the dynamic response of magnetocaloric materials. International Journal of Refrigeration, 59, pp.29-36.Publisher
© ElsevierVersion
- AM (Accepted Manuscript)
Publisher statement
This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/Publication date
2015Notes
This paper was accepted for publication in the journal International Journal of Refrigeration and the definitive published version is available at http://dx.doi.org/10.1016/j.ijrefrig.2015.06.028ISSN
1879-2081Publisher version
Language
- en