Development of an experimental rotary magnetic refrigerator prototype

B. Huang, J. W. Lai, D. C. Zeng, Z. G. Zheng, B. Harrison, A. Oort, N. H. van Dijk, E. Brück

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)


A rotary active magnetic regeneration refrigerator prototype named FAME Cooler was developed for studying the performance of different magnetocaloric materials in a realistic practical environment. The rotary magnetic field source generates an average magnetic field of 0.875 T within a volume of 0.71 l The regenerator is designed asymmetrically and holds in total 1.18 kg of gadolinium spheres for a first performance test. Combined with a real-time controlled programmable solenoid-valves system, different working parameters or thermodynamic cycles can be applied. In the performance test, while the temperature of system hot side was fixed at 295 K, under a utilization condition of 0.25, this prototype achieved a maximum zero-span cooling power of 162.4 W, and a zero-power temperature span of 11.6 K. Under a utilization condition of 0.15, a maximum COP of 1.85 was reached. These performance metrics are comparable with existing magnetic heat pump devices of the same scale.

Original languageEnglish
Pages (from-to)42-50
JournalInternational Journal of Refrigeration
Publication statusPublished - 2019


  • Asymmetrical regenerator
  • Flow control
  • Magnetic refrigeration
  • Prototype
  • Rotary

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