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Simulation study on two-stage compressed air cycle refrigeration system with blower

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  • Rong, Weilai
  • Ma, Guoyuan
  • Sun, Shangyu
  • Xu, Shuxue
  • Tian, Yu
  • Yu, Guoxin

Abstract

Research and technological advancements in environment friendly refrigerants can help effectively address the destruction of the ozone layer and mitigate global warming. In this paper, a new refrigeration system of two-stage compressed air cycle refrigeration system with a blower was proposed, the performance of the system was analyzed theoretically, and an experimental platform was set up for verification. The performance of the system was tested at different outdoor temperatures, and the effects of blower efficiency, compressor efficiency, expander efficiency, turbocharger mechanical efficiency, and heat exchanger efficiency on system performance were analyzed. The results indicate that the efficiency improvement of the expander has the greatest impact on the system performance. The efficiency of heat exchanger 2 (compressor outlet heat exchanger) has a greater impact on system performance than heat exchanger 1 (blower outlet heat exchanger). These research results would provide specific improvement directions for improving the performance of air cycle refrigeration systems, as well as new technical references for applying them to different scenarios based on the performance of system components.

Suggested Citation

  • Rong, Weilai & Ma, Guoyuan & Sun, Shangyu & Xu, Shuxue & Tian, Yu & Yu, Guoxin, 2026. "Simulation study on two-stage compressed air cycle refrigeration system with blower," Renewable Energy, Elsevier, vol. 256(PF).
    • Handle: RePEc:eee:renene:v:256:y:2026:i:pf:s0960148125019822
    DOI: 10.1016/j.renene.2025.124318
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