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Experimental researches on the performance of a rotary-type magnetic refrigerator with double-Halbach permanent magnet arrays.

Number: pap. 0031

Author(s) : LI Z. X., SHEN J., LI K., et al.

Summary

A room-temperature rotary-type magnetic refrigerator based on previous experiences is designed and constructed with a modified double-Halbach permanent magnet arrays. When the inner magnet array is periodically rotated, the average magnetic field provided by the new magnet system ranges from 0.04 T to 1.50 T in the centre region of the inner bore along 70% length of magnet arrays. This is fairly superior to the average value of previous magnetic arrays, which ranges from 0.3 T to 1.2 T. Influence of the magnetic field strength on the refrigerating performance have been discussed and studied. A series of experiments based on Gadolinium have been done to investigate the system performance including no-load temperature span and cooling power, with different frequencies and utilization factors.

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Pages: 6

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Details

  • Original title: Experimental researches on the performance of a rotary-type magnetic refrigerator with double-Halbach permanent magnet arrays.
  • Record ID : 30025034
  • Languages: English
  • Source: 8th International Conference on Caloric Cooling (Thermag VIII). Proceedings: Darmstadt, Germany, September 16-20, 2018.
  • Publication date: 2018/09/16
  • DOI: http://dx.doi.org/10.18462/iir.thermag.2018.0031

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