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Review on numerical modelling of active magnetic regenerators for room temperature applications.

Author(s) : NIELSEN K. K., TUSEK J., ENGELBRECHT K., et al.

Type of article: Article, IJR article

Summary

The active magnetic regenerator (AMR) is an alternative refrigeration cycle with a potential gain of energy efficiency compared to conventional refrigeration techniques. The AMR poses a complex problem of heat transfer, fluid dynamics and magnetic field, which requires detailed and robust modelling. This paper reviews the existing numerical modelling of room temperature AMR to date. The governing equations, implementation of the magnetocaloric effect, fluid flow and magnetic field profiles, thermal conduction etc. are discussed in detail as is their impact on the AMR cycle. Flow channelling effects, hysteresis, thermal losses and demagnetizing fields are discussed and it is concluded that more detailed modelling of these phenomena is required to obtain a better understanding of the AMR cycle.

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Pages: pp. 603-616

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Details

  • Original title: Review on numerical modelling of active magnetic regenerators for room temperature applications.
  • Record ID : 2011-0158
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 34 - n. 3
  • Publication date: 2011/05

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