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Design optimisation of CO2 gas cooler/condenser in a refrigeration system

Author

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  • Ge, Y.T.
  • Tassou, S.A.
  • Santosa, I. Dewa
  • Tsamos, K.

Abstract

As a natural working fluid, CO2 has been widely applied in refrigeration systems where heat is conventionally released to ambient through external airflow. Owing to its extraordinary thermophysical properties, especially a low critical temperature, the CO2 heat release through a high-pressure side heat exchanger will inevitably undergo either supercritical or subcritical processes, depending on ambient air temperatures and head pressure controls. Correspondingly, the heat exchanger will act intermittently as either a gas cooler or condenser within the system during an annual operation. Such evidence should therefore be taken into account for an optimal design of the heat exchanger and head pressure controls in order to significantly enhance the performance of both components and the associated system.

Suggested Citation

  • Ge, Y.T. & Tassou, S.A. & Santosa, I. Dewa & Tsamos, K., 2015. "Design optimisation of CO2 gas cooler/condenser in a refrigeration system," Applied Energy, Elsevier, vol. 160(C), pages 973-981.
    • Handle: RePEc:eee:appene:v:160:y:2015:i:c:p:973-981
    DOI: 10.1016/j.apenergy.2015.01.123
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    References listed on IDEAS

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    1. Yang, Jun Lan & Ma, Yi Tai & Li, Min Xia & Hua, Jun, 2010. "Modeling and simulating the transcritical CO2 heat pump system," Energy, Elsevier, vol. 35(12), pages 4812-4818.
    2. Ge, Y.T. & Cropper, R., 2008. "Performance simulation of refrigerated display cabinets operating with refrigerants R22 and R404A," Applied Energy, Elsevier, vol. 85(8), pages 694-707, August.
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    Cited by:

    1. Ge, Y.T. & Li, L. & Luo, X. & Tassou, S.A., 2018. "Performance evaluation of a low-grade power generation system with CO2 transcritical power cycles," Applied Energy, Elsevier, vol. 227(C), pages 220-230.
    2. Xinyu Zhang & Yunting Ge, 2023. "Power Generation with Renewable Energy and Advanced Supercritical CO 2 Thermodynamic Power Cycles: A Review," Energies, MDPI, vol. 16(23), pages 1-32, November.
    3. Abdulwahid, Alhasan Ali & Zhao, Hongxia & Wang, Zheng & Liu, Guangdi & Khalil, Essam E & Lai, Yanhua & Han, Jitian, 2022. "Thermo-economic comparison of two models of combined transcritical CO2 refrigeration and multi-effect desalination system," Applied Energy, Elsevier, vol. 308(C).
    4. Zhang, Xinxin & Kobayashi, Noriyuki & He, Maogang & Wang, Jingfu, 2016. "An organic group contribution approach to radiative efficiency estimation of organic working fluid," Applied Energy, Elsevier, vol. 162(C), pages 1205-1210.
    5. Jesús Catalán-Gil & Daniel Sánchez & Rodrigo Llopis & Laura Nebot-Andrés & Ramón Cabello, 2018. "Energy Evaluation of Multiple Stage Commercial Refrigeration Architectures Adapted to F-Gas Regulation," Energies, MDPI, vol. 11(7), pages 1-31, July.
    6. Efstratiadi, Marily & Acha, Salvador & Shah, Nilay & Markides, Christos N., 2019. "Analysis of a closed-loop water-cooled refrigeration system in the food retail industry: A UK case study," Energy, Elsevier, vol. 174(C), pages 1133-1144.
    7. Tsamos, K.M. & Ge, Y.T. & Santosa, I.D.M.C. & Tassou, S.A., 2017. "Experimental investigation of gas cooler/condenser designs and effects on a CO2 booster system," Applied Energy, Elsevier, vol. 186(P3), pages 470-479.
    8. Rajib Uddin Rony & Huojun Yang & Sumathy Krishnan & Jongchul Song, 2019. "Recent Advances in Transcritical CO 2 (R744) Heat Pump System: A Review," Energies, MDPI, vol. 12(3), pages 1-35, January.
    9. Lei Chai & Konstantinos M. Tsamos & Savvas A. Tassou, 2020. "Modelling and Evaluation of the Thermohydraulic Performance of Finned-Tube Supercritical Carbon Dioxide Gas Coolers," Energies, MDPI, vol. 13(5), pages 1-19, February.

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