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Experimental study on the refrigeration performance of a cylinder active magnetic regenerator for room temperature magnetic refrigeration.

[In Chinese. / En chinois.]

Author(s) : LIU M., YU B., YANG D.

Type of article: Article

Summary

A cylinder active magnetic regenerator (AMR) for room temperature magnetic refrigeration was designed on the basis of the existing reciprocating active magnetic regenerator system, and its flow circuitry was optimized. An experimental investigation on thermodynamics performance of the cylinder active magnetic regenerator was conducted with the magnetic material, Gd. The temperature distribution in AMR and the corresponding refrigeration performance data were obtained considering the influence of temperature range, temperature span, flow rate and flow time. The results indicate that optimal flow time and optimal flow rate for AMR existed in different experimental regions; the refrigeration capacity reached 11.35 W at a 3 K temperature span; the refrigeration capacity and COP decreased with the increase in the temperature range and temperature span.

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Pages: 13-17

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Details

  • Original title: [In Chinese. / En chinois.]
  • Record ID : 2009-0186
  • Languages: Chinese
  • Source: Journal of Refrigeration - vol. 29 - n. 4
  • Publication date: 2008/08

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