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Hybrid auto-cascade refrigeration system coupled with a heat-driven ejector cooling cycle

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  • Hao, Xinyue
  • Wang, Lin
  • Wang, Zhanwei
  • Tan, Yingying
  • Yan, Xiaona

Abstract

The hybrid auto-cascade refrigeration system with an integrated ejector cooling cycle (HACRS) driven by high-grade power and low-grade heat simultaneously is developed in this paper. The working fluid applied in the system is a zeotropic refrigerant mixture of R170/R600a. The heat-driven ejector cooling cycle is employed to the auto-cascade refrigeration cycle to form a novel hybrid auto-cascade refrigeration system coupled with an ejector cycle (HACRS). The ejector is applied to increase the suction pressure of the compressor, and cooling capacity from the ejector cycle is also utilized by the evaporative-condenser and dephlegmator in the HACRS. The system performance is evaluated, based on the mathematical model of the system from the principle of mass and energy conservation. The results indicate that energy consumption of the compressor in HACRS could be reduced by 50% as compared to that in the conventional auto-cascade refrigeration cycle (ACRC). The HACRS can use the heat-driven ejector cycle and the recovery of exhaust waste heat of the compressor to improve its mechanical coefficient of performance (COPme) effectively.

Suggested Citation

  • Hao, Xinyue & Wang, Lin & Wang, Zhanwei & Tan, Yingying & Yan, Xiaona, 2018. "Hybrid auto-cascade refrigeration system coupled with a heat-driven ejector cooling cycle," Energy, Elsevier, vol. 161(C), pages 988-998.
    • Handle: RePEc:eee:energy:v:161:y:2018:i:c:p:988-998
    DOI: 10.1016/j.energy.2018.07.201
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    References listed on IDEAS

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    1. Bai, Tao & Yu, Jianlin & Yan, Gang, 2016. "Advanced exergy analysis on a modified auto-cascade freezer cycle with an ejector," Energy, Elsevier, vol. 113(C), pages 385-398.
    2. Park, Ki-Jung & Jung, Dongsoo, 2009. "Performance of heat pumps charged with R170/R290 mixture," Applied Energy, Elsevier, vol. 86(12), pages 2598-2603, December.
    3. Sun, Zhili & Liang, Youcai & Liu, Shengchun & Ji, Weichuan & Zang, Runqing & Liang, Rongzhen & Guo, Zhikai, 2016. "Comparative analysis of thermodynamic performance of a cascade refrigeration system for refrigerant couples R41/R404A and R23/R404A," Applied Energy, Elsevier, vol. 184(C), pages 19-25.
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    Cited by:

    1. Mingzhang Pan & Huan Zhao & Dongwu Liang & Yan Zhu & Youcai Liang & Guangrui Bao, 2020. "A Review of the Cascade Refrigeration System," Energies, MDPI, vol. 13(9), pages 1-26, May.
    2. Qin, Yanbin & Li, Nanxi & Zhang, Hua & Liu, Baolin, 2022. "Study on the performance of an energy-efficient three-stage auto-cascade refrigeration system enhanced with a pressure regulator," Energy, Elsevier, vol. 258(C).
    3. Besagni, Giorgio, 2019. "Ejectors on the cutting edge: The past, the present and the perspective," Energy, Elsevier, vol. 170(C), pages 998-1003.
    4. Li, Yinlong & Liu, Guoqiang & Chen, Qi & Yan, Gang, 2023. "Progress of auto-cascade refrigeration systems performance improvement: Composition separation, shift and regulation," Renewable and Sustainable Energy Reviews, Elsevier, vol. 187(C).
    5. Tan, Yingying & Li, Xiuzhen & Wang, Lin & Huang, Lisheng & Xiao, Yi & Wang, Zhanwei & Li, Shaoqiang, 2023. "Thermodynamic performance of the fractionated auto-cascade refrigeration cycle coupled with two-phase ejector using R1150/R600a at −80 °C temperature level," Energy, Elsevier, vol. 281(C).
    6. Qin, Yanbin & Li, Nanxi & Zhang, Hua & Jin, Binhui & Liu, Baolin, 2022. "Experimental characterization of an innovative refrigeration system coupled with Linde-Hampson cycle and auto-cascade cycle for multi-stage refrigeration temperature applications," Energy, Elsevier, vol. 240(C).

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