Mathematical Modelling of Active Magnetic Regenerator Refrigeration System for Design Considerations

Aref Effatpisheh, Amir Vadiee and Behzad A. Monfared
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Aref Effatpisheh: Department of Mechanical and Aerospace Engineering, Shiraz University of Technology, Shiraz 71557, Iran
Amir Vadiee: School of Business Society and Engineering, Division of Civil Engineering and Energy Systems, Mälardalen University, 72123 Västerås, Sweden
Behzad A. Monfared: Department of Energy Technology, School of Industrial Engineering and Management, KTH Royal Institute of Technology, 11428 Stockholm, Sweden

Energies, 2020, vol. 13, issue 23, 1-25

Abstract: A magnetic refrigeration system has the potential to alternate the compression system with respect to environmental compatibility. Refrigeration systems currently operate on the basis of the expansion and compression processes, while active magnetic refrigeration systems operate based on the magnetocaloric effect. In this study, a single layer of Gd was used as the magnetocaloric material for six-packed-sphere regenerators. A one-dimensional numerical model was utilized to simulate the magnetic refrigeration system and determine the optimum parameters. The optimum mass flow rate and maximum cooling capacity at frequency of 4 Hz are 3 L · min − 1 and 580 W, respectively. The results show that the maximum pressure drop increased by 1400 W at a frequency of 4 Hz and mass flow rate of 5 L · min − 1 . In this study, we consider the refrigeration system in terms of the design considerations, conduct a parametric study, and determine the effect of various parameters on the performance of the system.

Keywords: design considerations; magnetocaloric effect; coefficient of performance; refrigeration; capacity; mathematical modelling; energy systems (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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