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Crystals 2019, 9(2), 76; https://doi.org/10.3390/cryst9020076

A Magnetocaloric Booster Unit for Energy-Efficient Air-Conditioning

1
Institute for Complex Materials, IFW Dresden, 01069 Dresden, Germany
2
Institute for Power Engineering, TU Dresden, 01069 Dresden, Germany
3
Institute of Electrical Power Systems and High Voltage Engineering, TU Dresden, 01069 Dresden, Germany
*
Author to whom correspondence should be addressed.
Received: 30 November 2018 / Revised: 24 January 2019 / Accepted: 28 January 2019 / Published: 1 February 2019
(This article belongs to the Special Issue Advances in Caloric Materials)
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Abstract

A concept for the application of a magnetocaloric device in energy-efficient air conditioners is introduced. In order to evaluate this concept, a test stand has been developed equipped with a magnetic field source providing about a 1.5-T flux density change into which different regenerator geometries can be implemented and evaluated. A processing route for the production of profiled magnetocaloric LaFeSiMn-based composite plates by tape casting is presented. The processed plates show a maximum isothermal entropy change of about 3.8 J kg 1 K 1 at a magnetic field change of 1.5 T at 285 K. The hydraulic and thermal performance of regenerator geometries that can be realized by profiled plates is assessed by calculations. View Full-Text
Keywords: magnetocaloric effect; regenerator; air-conditioning; solid state cooling; tape casting magnetocaloric effect; regenerator; air-conditioning; solid state cooling; tape casting
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Krautz, M.; Beyer, M.; Jäschke, C.; Schinke, L.; Waske, A.; Seifert, J. A Magnetocaloric Booster Unit for Energy-Efficient Air-Conditioning. Crystals 2019, 9, 76.

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