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A numerical optimization of a packed bed AMR.

Optimisation numérique d'un régénérateur magnétique actif (AMR) à plaques de matériau magnétocalorique.

Auteurs : TUSEK J., SARLAH A., ZUPAN S., et al.

Résumé

A new, fast and flexible, time-dependent, one-dimensional numerical model was developed in order to study in details the operation of an active magnetic regenerator (AMR). The model is based on a coupled system of equations (for magnetocaloric material and heat transfer fluid), which have been solved simultaneously using software package MATLAB. The model can be employed to analyze a wide range of different operating conditions (mass flow rate, operating frequency, magnetic field change), different AMR geometries, different magnetocaloric materials and heat transfer fluids, layered and single bed AMR, etc. This paper presents an optimization of the AMR geometry, where the AMR consists of a packed bed of grains (spheres) of gadolinium. The optimization of the mass flow rate and the operating frequency of the AMR were performed by studying five different diameters of Gd spheres.

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Pages : 2010-4

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Détails

  • Titre original : A numerical optimization of a packed bed AMR.
  • Identifiant de la fiche : 2010-1885
  • Langues : Anglais
  • Source : 4th International Conference on Magnetic Refrigeration at Room Temperature (Thermag IV). Proceedings: Baotou, China, August 23-27, 2010.
  • Date d'édition : 23/08/2010

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