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Title: Influence of thermal conductivity on the dynamic response of magnetocaloric materials
Authors: Porcari, G.
Morrison, Kelly
Cugini, F.
Turcaud, J.A.
Guillou, F.
Berenov, A.
van Dijk, N.H.
Brueck, E.
Cohen, L.F.
Solzi, M.
Keywords: First order magnetic transitions
Magnetocaloric effect
Thermal conductivity
Time constant
Issue Date: 2015
Publisher: © Elsevier
Citation: PORCARI, G. ...et al., 2015. Influence of thermal conductivity on the dynamic response of magnetocaloric materials. International Journal of Refrigeration, 59, pp.29-36.
Abstract: We 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.
Description: 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.2015.06.028
Sponsor: This work was supported by the UK EPSRC Programme grant, Nanostructured functional materials for Energy Efficient Refrigeration (EP/G060940).
Version: Accepted for publication
DOI: 10.1016/j.ijrefrig.2015.06.028
URI: https://dspace.lboro.ac.uk/2134/18582
Publisher Link: http://dx.doi.org/10.1016/j.ijrefrig.2015.06.028
ISSN: 1879-2081
Appears in Collections:Published Articles (Physics)

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