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IIR document

Direct numerical analysis of pin geometries for magnetocaloric regenerators.

Number: pap. n. 551

Author(s) : MUGICA GUERRERO I., PONCET S., BOUCHARD J.

Summary

This paper studies the performance of various pin regenerator geometries for rotatory magnetocaloric refrigerators. This is done by directly simulating the fundamental phenomena that takes part in magnetic refrigeration: magnetic, fluid and thermal fields. After a separate analysis, the full 3D Active Magnetic Regenerator (AMR) cycle is simulated for a selected group of geometries. Then, conclusions are drawn taking into consideration the separately computed phenomena and the performance of the AMR. The main conclusion is that an increased tortuosity increases the pressure losses and heat transfer of the surges but decreases the conduction losses. The latter can be directly linked to an increased performance of the AMR.

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Pages: 8

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Details

  • Original title: Direct numerical analysis of pin geometries for magnetocaloric regenerators.
  • Record ID : 30026005
  • Languages: English
  • Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Publication date: 2019/08/24
  • DOI: http://dx.doi.org/10.18462/iir.icr.2019.0551

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