IIR document

Regenerative magnetocaloric systems: an overview of research and development activities at the University of Victoria.

Number: sect. 1

Author(s) : TURA A., ROWE A., ARNOLD D. S., et al.


The University of Victoria began research on magnetocaloric systems over two decades ago. While initially the interest was exclusively geared toward cryogenics and magnetic liquefiers, near room temperature testing demonstrated potential feasibility for more conventional applications such as air conditioning systems and refrigeration. Research activities in four main areas of active magnetic regenerator development are described: cryogenic applications, near room temperature permanent magnet devices, heat transport in regenerators, and theoretical models. The objective of the research group is to solve the system related challenges taking the technology to the path of commercialization. Heat transport research is focused on the study and characterization of the convective heat transfer, effective conductivity, and viscous losses in the regenerator matrix. The outlook is heat transfer optimization with minimal viscous losses and thermal axial conduction. Development of magnetocaloric systems is necessary for both model validation and dealing with the technological challenges involved with magnetic refrigerators. The objective here is active magnetic regenerator (AMR) characterization both in terms of magnetothermic and heat transfer properties, while progressing toward device commercialization. Finally numerical and analytical models hold the key to performance prediction, optimization, and thus, ultimately, AMR and magnet design. However, they do heavily rely on experimental validation, given the highly interdisciplinary nature of the physics involved, which are often described by semi-empirical correlations and tabulated experimental data.

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Pages: 73-87


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  • Original title: Regenerative magnetocaloric systems: an overview of research and development activities at the University of Victoria.
  • Record ID : 30005455
  • Languages: English
  • Subject: Technology
  • Source: 5th International Conference on Magnetic Refrigeration at Room Temperature (Thermag V). Proceedings: Grenoble, France, September 17-20, 2012.
  • Publication date: 2012/09/17


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