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Energy, Exergy, and Economic (3E) Analysis of Transcritical Carbon Dioxide Refrigeration System Based on ORC System

Author

Listed:
  • Kaiyong Hu

    (Tianjin Key Laboratory of Refrigeration Technology, School of Mechanical Engineering, Tianjin University of Commerce, Tianjin 300134, China)

  • Yumeng Zhang

    (Tianjin Key Laboratory of Refrigeration Technology, School of Mechanical Engineering, Tianjin University of Commerce, Tianjin 300134, China)

  • Wei Yang

    (Shandong Agricultural Exchange and Cooperation Center, Jinan 250100, China)

  • Zhi Liu

    (Tianjin Key Laboratory of Refrigeration Technology, School of Mechanical Engineering, Tianjin University of Commerce, Tianjin 300134, China)

  • Huan Sun

    (Tianjin Key Laboratory of Refrigeration Technology, School of Mechanical Engineering, Tianjin University of Commerce, Tianjin 300134, China)

  • Zhili Sun

    (Tianjin Key Laboratory of Refrigeration Technology, School of Mechanical Engineering, Tianjin University of Commerce, Tianjin 300134, China)

Abstract

This paper used the energy, exergy, and economic analysis of a carbon dioxide (CO 2 ) transcritical two-stage compression system based on organic Rankine cycle (ORC) waste heat recovery technology. When the intermediate pressure and high-pressure compressor outlet pressure were changed, respectively, this study simulated the change in system energy efficiency by adding the ORC for waste heat recovery, calculated the ratio of exergy loss of each component, and performed an economic analysis of the coupled system. The results show that adding waste heat recovery can effectively increase the energy efficiency of the system, and among all components, the heat exchanger had the largest exergy loss, while the evaporator had the highest capital investment and maintenance costs.

Suggested Citation

  • Kaiyong Hu & Yumeng Zhang & Wei Yang & Zhi Liu & Huan Sun & Zhili Sun, 2023. "Energy, Exergy, and Economic (3E) Analysis of Transcritical Carbon Dioxide Refrigeration System Based on ORC System," Energies, MDPI, vol. 16(4), pages 1-16, February.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:4:p:1675-:d:1061086
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    References listed on IDEAS

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    1. Dzido, Aleksandra & Wołowicz, Marcin & Krawczyk, Piotr, 2022. "Transcritical carbon dioxide cycle as a way to improve the efficiency of a Liquid Air Energy Storage system," Renewable Energy, Elsevier, vol. 196(C), pages 1385-1391.
    2. Dai, Baomin & Liu, Shengchun & Zhu, Kai & Sun, Zhili & Ma, Yitai, 2017. "Thermodynamic performance evaluation of transcritical carbon dioxide refrigeration cycle integrated with thermoelectric subcooler and expander," Energy, Elsevier, vol. 122(C), pages 787-800.
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    Cited by:

    1. Ayan Sengupta & Paride Gullo & Mani Sankar Dasgupta & Vahid Khorshidi, 2023. "Performance Analysis of an R744 Supermarket Refrigeration System Integrated with an Organic Rankine Cycle," Energies, MDPI, vol. 16(22), pages 1-18, November.

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