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Numerical modelling of graded active magnetic regenerators.

Author(s) : NIELSEN K. K., BAHL C. R. H., ENGELBRECHT K., et al.

Summary

A well-established 2-dimensional numerical model is applied for the case of active magnetic regenerators (AMR) with graded magnetocaloric materials. The authors examine how the performance of the AMR is affected by using materials with different Curie temperatures and, in general, varying magnetocaloric properties. The performance is benchmarked through the maximum obtainable temperature span, cooling power, exergy, ratio of regeneration and COP. The results show that performance may indeed be enhanced by grading the regenerator as opposed to using a single-material regenerator.

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Pages: 2010-4

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Details

  • Original title: Numerical modelling of graded active magnetic regenerators.
  • Record ID : 2010-1883
  • Languages: English
  • Source: 4th International Conference on Magnetic Refrigeration at Room Temperature (Thermag IV). Proceedings: Baotou, China, August 23-27, 2010.
  • Publication date: 2010/08/23

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