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Étude numérique et expérimentale d’un moteur thermomagnétique réversible.

Numerical and experimental study of a reversible thermomagnetic motor.

Numéro : 0007

Auteurs : RISSER M., LIONTE S., MARRAZZO F., TILL Z., MULLER C.

Résumé

Thermomagnetic (TM) energy conversion is a promising technology for energy harvesting at low temperature span. In this paper we present a theoretical and experimental study of a TM Motor (TMM) built on the base of an existing cascaded gadolinium based Magnetocaloric (MC) cooling system. A numerical model of Active Magnetic Regenerator (AMR) is used to explore the operating range of the device in terms of extracted power density and energy efficiency. The experimental device is connected to a controlled hot source and to a cold thermostatic bath. Magnetic field profile, inside thermal leakages as well as mechanical energy consumption for guidance and for hydraulic distribution are characterized in view of experimental validation. The output mechanical power is investigated for a controlled frequency and the simulation is experimentally validated. The results show that TMM could be used for heat harvesting at low temperature level.

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Pages : 8

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Détails

  • Titre original : Numerical and experimental study of a reversible thermomagnetic motor.
  • Identifiant de la fiche : 30032615
  • Langues : Anglais
  • Sujet : Technologie
  • Source : 10th IIR Conference on Caloric Cooling and Applications of Caloric Materials
  • Date d'édition : 24/08/2024
  • DOI : http://dx.doi.org/10.18462/iir.thermag.2024.0007

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