Comparison and Prospect of Magnetic Heat Pump Cycle and Magnetic Refrigeration Cycle

Xu Geyao; Zhang Yaokang; Yu Haoxian; Chen Fucheng; Hu Xulong; Wu Jianghong

doi:10.12465/j.issn.0253-4339.2025.04.001

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Comparison and Prospect of Magnetic Heat Pump Cycle and Magnetic Refrigeration Cycle

更新时间：2025-08-28

- Comparison and Prospect of Magnetic Heat Pump Cycle and Magnetic Refrigeration Cycle
- Journal of Refrigeration Vol. 46, Issue 4, Pages: 1-12(2025)
- 作者机构：
  
  1.华南理工大学机械与汽车工程学院　广州　510640
  2.广东海洋大学海洋工程与能源学院　湛江　524088
- 作者简介：
  
  Wu Jianghong, female, professor, School of Mechanical and Automotive Engineering, South China University of Technology, 86-13580467927, E-mail: pmjhwu@scut.edu.cn. Research fields: room temperature magnetic refrigeration, air-conditioning and thermal management of new energy vehicles, energy saving of heat pumps, and application of artificial intelligence in refrigeration system.
- 基金信息：
  
  National Natural Science Foundation of China(52276008)
- DOI：10.12465/j.issn.0253-4339.2025.04.001
  CLC： TB61⁺2;O482.6
- Received：10 February 2024，
  
  Revised：03 April 2024，
  
  Accepted：02 June 2024，
  
  Published：16 August 2025
- 稿件说明：
移动端阅览
Xu Geyao, Zhang Yaokang, Yu Haoxian, et al. Comparison and Prospect of Magnetic Heat Pump Cycle and Magnetic Refrigeration Cycle[J]. Journal of refrigeration, 2025, 46(4): 1-12.
DOI：

Xu Geyao, Zhang Yaokang, Yu Haoxian, et al. Comparison and Prospect of Magnetic Heat Pump Cycle and Magnetic Refrigeration Cycle[J]. Journal of refrigeration, 2025, 46(4): 1-12. DOI： 10.12465/j.issn.0253-4339.2025.04.001.

摘要

室温磁热泵是磁热效应在室温附近的主要应用方向之一，具有高效、环保、低噪音、低振动的特点。通过磁热泵与磁制冷理论循环对比，验证复叠磁热泵循环在大温跨室温磁热泵上的应用潜力。研究结果表明：实际制热场景对千瓦级制热量和约30 K大温跨的双重要求是室温磁热泵应用的障碍，基于设计应用过程中室温磁热泵与现有室温磁制冷样机的差异，分析了针对大温跨室温磁热泵的磁热材料选择策略与性能评价指标，以帮助研究者明确在已有室温磁制冷的研究基础上，设计应用大温跨室温磁热泵的关键所在，促进对室温磁热泵循环的理解和应用研发。

Abstract

Room-temperature magnetic heat pumps

one of the main applications of the magnetocaloric effect near room temperature

offer high efficiency

environmental protection

low noise

and low vibrations. This study discusses the application potential of a cascade magnetic heat pump cycle with a large temperature span by comparing the theoretical magnetic heat pump and refrigeration cycles. The results show that meeting the kilowatt-level heating capacity and achieving a wide temperature span of approximately 30 K in an actual heating scenario poses challenges to room-temperature magnetic heat pumps. The differences in design and application between the room-temperature magnetic heat pump and the existing room-temperature magnetic refrigeration prototypes are discussed

with a focus on magnetocaloric material selection strategies and performance evaluation indices suited for large temperature spans. The comparative analysis of magnetic heat pumps and magnetic refrigeration in this study also helps researchers to clarify the key to the design and application of large temperature span magnetic heat pumps based on existing research on room-temperature magnetic refrigeration. It promotes the comprehension and application of room-temperature magnetic heat pumps.

关键词

Keywords

references

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