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Dynamic simulation and performance analysis of a solid-state barocaloric refrigeration system

Author

Listed:
  • Dai, Zhaofeng
  • She, Xiaohui
  • Wang, Chen
  • Ding, Yulong
  • Li, Yongliang
  • Zhang, Xiaosong
  • Zhao, Dongliang

Abstract

Barocaloric refrigeration technology is a promising candidate for next-generation refrigeration technologies attributed to its eco-friendliness, high efficiency, and mechanical stability. To date, research in this field has predominantly focused on the exploration of solid-state refrigerants. However, the development of barocaloric systems is currently hindered by a lack of both prototype models and a comprehensive theoretical foundation. Addressing this gap, this study innovatively introduces the first model of a barocaloric refrigeration system, characterized by efficient hydrostatic pressure transitions and rapid heat and cold extraction. The employed refrigerant, neopentyl glycol, is notable for its low cost and significant barocaloric effect. Through the development of a one-dimensional dynamic numerical model for the system, this study investigates the system's temperature variability and operational efficiency under varying design parameters and operating conditions. Simulations suggest that the system could achieve a maximum COP of 13.1 and a refrigeration capacity of 106.4 W at a temperature span of 10 K. Additionally, the system is capable of reaching a maximum temperature span of 18 K under no-load conditions. This research not only underscores the theoretical viability of barocaloric refrigeration, but also provide crucial theoretical support and guidance for the design and construction of the first-generation barocaloric refrigeration prototype.

Suggested Citation

  • Dai, Zhaofeng & She, Xiaohui & Wang, Chen & Ding, Yulong & Li, Yongliang & Zhang, Xiaosong & Zhao, Dongliang, 2024. "Dynamic simulation and performance analysis of a solid-state barocaloric refrigeration system," Energy, Elsevier, vol. 294(C).
    • Handle: RePEc:eee:energy:v:294:y:2024:i:c:s0360544224005723
    DOI: 10.1016/j.energy.2024.130800
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