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A LABORATORY TEST STAND FOR STUDIES OF MAGNETOCALORIC MATERIALS

A. Czernuszewicz, J. Kaleta, D. Lewandowski, M. Królewicz, P. Wiewiórski
  • Abstract:
    The paper presents a test stand to study the magnetocaloric effect. The stand utilises a magnetocaloric material, gadolinium, as a refrigerant. This material was chosen, because of good magnetocaloric properties and suitable work temperature close to the room temperature. The magnetic field of 1 T is generated by cylindrical Halbach array which is a special arrangement of permanent magnets that concentrate and homogenize the magnetic field in the inner gap of the flux source. As a heat transfer medium a special liquid was selected. In addition, the paper provides first results from an investigation. Results amounted to 1.6 ºC temperature difference between hot and cold heat exchanger.
  • Keywords:
    smart materials, magnetic refrigeration, gadolinium
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  • DOI:
    _unreg_tc15-2012.23

Event details:

  • IMEKO TC:
    TC15
  • Event name:
    TC15 Youth Symposium 2012
  • Title:

    11th Youth Symposium on Experimental Solid Mechanics (TC15)

  • Place:
    Brasov, ROMANIA
  • Time:
    30 May 2012 - 02 June 2012