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HFO1234ze(e) As an Alternative Refrigerant for Ejector Cooling Technology

Author

Listed:
  • Van Vu Nguyen

    (Department of Power Engineering Equipment, Faculty of Mechanical Engineering, Technical University of Liberec, Studentska 2, 46117 Liberec, Czech Republic)

  • Szabolcs Varga

    (Department of Mechanical Engineering, INEGI/University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal)

  • Vaclav Dvorak

    (Department of Power Engineering Equipment, Faculty of Mechanical Engineering, Technical University of Liberec, Studentska 2, 46117 Liberec, Czech Republic)

Abstract

The paper presented a mathematical assessment of selected refrigerants for the ejector cooling purpose. R1234ze(e) and R1234yf are the well-known refrigerants of hydrofluoroolefins (HFOs), the fourth-generation halocarbon refrigerants. Nature working fluids, R600a and R290, and third-generation refrigerant of halocarbon (hydrofluorocarbon, HFC), R32 and R152a, were selected in the assessment. A detail mathematical model of the ejector, as well as other components of the cycle, was built. The results showed that the coefficient of performance (COP) of R1234ze(e) was significantly higher than R600a at the same operating conditions. R1234yf’s performance was compatible with R290, and both were about 5% less than the previous two. The results also indicated that R152a offered the best performance among the selected refrigerants, but due to the high value of global warming potential, it did not fulfill the requirements of the current European refrigerant regulations. On the other hand, R1234ze(e) was the most suitable working fluid for the ejector cooling technology, thanks to its overall performance.

Suggested Citation

  • Van Vu Nguyen & Szabolcs Varga & Vaclav Dvorak, 2019. "HFO1234ze(e) As an Alternative Refrigerant for Ejector Cooling Technology," Energies, MDPI, vol. 12(21), pages 1-14, October.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:21:p:4045-:d:279784
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    References listed on IDEAS

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    1. Yu, Jianlin & Du, Zhenxing, 2010. "Theoretical study of a transcritical ejector refrigeration cycle with refrigerant R143a," Renewable Energy, Elsevier, vol. 35(9), pages 2034-2039.
    2. Besagni, Giorgio & Mereu, Riccardo & Inzoli, Fabio, 2016. "Ejector refrigeration: A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 53(C), pages 373-407.
    3. Varga, Szabolcs & Oliveira, Armando C. & Palmero-Marrero, Anna & Vrba, Jakub, 2017. "Preliminary experimental results with a solar driven ejector air conditioner in Portugal," Renewable Energy, Elsevier, vol. 109(C), pages 83-92.
    4. Sankarlal, T. & Mani, A., 2007. "Experimental investigations on ejector refrigeration system with ammonia," Renewable Energy, Elsevier, vol. 32(8), pages 1403-1413.
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    Cited by:

    1. Bartosz Gil & Anna Szczepanowska & Sabina Rosiek, 2021. "New HFC/HFO Blends as Refrigerants for the Vapor-Compression Refrigeration System (VCRS)," Energies, MDPI, vol. 14(4), pages 1-23, February.
    2. Hamza K. Mukhtar & Saud Ghani, 2021. "Hybrid Ejector-Absorption Refrigeration Systems: A Review," Energies, MDPI, vol. 14(20), pages 1-31, October.
    3. Kexin Yi & Yuanyang Zhao & Guangbin Liu & Qichao Yang & Guoxin Yu & Liansheng Li, 2022. "Performance Evaluation of Centrifugal Refrigeration Compressor Using R1234yf and R1234ze(E) as Drop-In Replacements for R134a Refrigerant," Energies, MDPI, vol. 15(7), pages 1-17, March.

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