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Thermodynamic analysis and comparison of combined ejector–absorption and single effect absorption refrigeration systems

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  • Garousi Farshi, L.
  • Mosaffa, A.H.
  • Infante Ferreira, C.A.
  • Rosen, M.A.

Abstract

Alternatives to ammonia/water absorption refrigeration cycles that have no need for purification include ammonia/LiNO3 and ammonia/NaSCN cycles. Similar to the other absorption refrigeration cycles they have low coefficients of performance and exergy efficiencies at low generator temperatures. Combined single effect cycles can reduce this problem. In these cycles the solution expansion valve is replaced with an ejector to allow for pressure recovery from the absorber and to enhance mixing of the weak solution and refrigerant vapor from the evaporator. Simulations are used to examine the influence of various operating parameters on performance and the possibility of crystallization in these cycles, and to compare their performances with single effect cycles. It is shown that the combined cycles have better performance than single effect ones at low generator temperatures.

Suggested Citation

  • Garousi Farshi, L. & Mosaffa, A.H. & Infante Ferreira, C.A. & Rosen, M.A., 2014. "Thermodynamic analysis and comparison of combined ejector–absorption and single effect absorption refrigeration systems," Applied Energy, Elsevier, vol. 133(C), pages 335-346.
  • Handle: RePEc:eee:appene:v:133:y:2014:i:c:p:335-346
    DOI: 10.1016/j.apenergy.2014.07.102
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    References listed on IDEAS

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    Citations

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    Cited by:

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    3. Gao, Yu & He, Guogeng & Chen, Peidong & Zhao, Xin & Cai, Dehua, 2019. "Energy and exergy analysis of an air-cooled waste heat-driven absorption refrigeration cycle using R290/oil as working fluid," Energy, Elsevier, vol. 173(C), pages 820-832.
    4. Yang, Junqin & Zhao, Hui & Li, Chenchen & Li, Xiuwei, 2021. "A direct energy reuse strategy for absorption air-conditioning system based on electrode regeneration method," Renewable Energy, Elsevier, vol. 168(C), pages 353-364.
    5. Khalili-Garakani, Amirhossein & Ivakpour, Javad & Kasiri, Norollah, 2016. "Evolutionary synthesis of optimum light ends recovery unit with exergy analysis application," Applied Energy, Elsevier, vol. 168(C), pages 507-522.
    6. Khaliq, Abdul & Kumar, Rajesh & Mokheimer, Esmail M.A., 2018. "Investigation on a solar thermal power and ejector-absorption refrigeration system based on first and second law analyses," Energy, Elsevier, vol. 164(C), pages 1030-1043.
    7. Besagni, Giorgio & Mereu, Riccardo & Inzoli, Fabio, 2016. "Ejector refrigeration: A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 53(C), pages 373-407.
    8. Du, S. & Wang, R.Z. & Chen, X., 2017. "Development and experimental study of an ammonia water absorption refrigeration prototype driven by diesel engine exhaust heat," Energy, Elsevier, vol. 130(C), pages 420-432.
    9. Wu, Wei & Shi, Wenxing & Wang, Jian & Wang, Baolong & Li, Xianting, 2016. "Experimental investigation on NH3–H2O compression-assisted absorption heat pump (CAHP) for low temperature heating under lower driving sources," Applied Energy, Elsevier, vol. 176(C), pages 258-271.
    10. Li, Xiu-Wei & Zhang, Xiao-Song & Wang, Hao & Zhang, Zhuo, 2016. "Capacitive deionization regeneration as a possible improvement of membrane regeneration method for absorption air-conditioning system," Applied Energy, Elsevier, vol. 171(C), pages 405-414.

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