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Performance of an advanced absorption cycle with R125 and different absorbents

Author

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  • Levy, A.
  • Jelinek, M.
  • Borde, I.
  • Ziegler, F.

Abstract

The performance of an advanced triple-pressure level (TPL) single-stage absorption cycle with refrigerant R125 and various organic absorbents were studied. In the developed TPL cycle, a jet ejector of a special design is added at the absorber inlet. The device serves two major functions: it facilitates pressure recovery and improves the mixing process between the weak solution and the refrigerant vapor coming from the evaporator. These effects enhance the absorption process of the refrigerant vapor into the solution drops. To facilitate the design of a jet ejector for absorption machines, a numerical model of simultaneous heat and mass transfer between the liquid and the gas phases in the ejector was developed.

Suggested Citation

  • Levy, A. & Jelinek, M. & Borde, I. & Ziegler, F., 2004. "Performance of an advanced absorption cycle with R125 and different absorbents," Energy, Elsevier, vol. 29(12), pages 2501-2515.
    • Handle: RePEc:eee:energy:v:29:y:2004:i:12:p:2501-2515
    DOI: 10.1016/j.energy.2004.03.045
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    References listed on IDEAS

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    1. Levy, A. & Jelinek, M. & Borde, I., 2002. "Numerical study on the design parameters of a jet ejector for absorption systems," Applied Energy, Elsevier, vol. 72(2), pages 467-478, June.
    2. Jelinek, M. & Levy, A. & Borde, I., 2002. "Performance of a triple-pressure-level absorption cycle with R125-N,N'-dimethylethylurea," Applied Energy, Elsevier, vol. 71(3), pages 171-189, March.
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    Cited by:

    1. Ben Ezzine, N. & Garma, R. & Bellagi, A., 2010. "A numerical investigation of a diffusion-absorption refrigeration cycle based on R124-DMAC mixture for solar cooling," Energy, Elsevier, vol. 35(5), pages 1874-1883.
    2. Orian, G. & Jelinek, M. & Levy, A., 2010. "Flow boiling of binary solution in horizontal tube," Energy, Elsevier, vol. 35(1), pages 35-44.
    3. Privat, Romain & Qian, Jun-Wei & Alonso, Dominique & Jaubert, Jean-Noël, 2013. "Quest for an efficient binary working mixture for an absorption-demixing heat transformer," Energy, Elsevier, vol. 55(C), pages 594-609.
    4. He, Yijian & Gao, Xu & Chen, Qifei & Chen, Guangming, 2020. "Study on the performance of a novel waste heat recovery system at low temperatures," Energy, Elsevier, vol. 202(C).
    5. Abed, Azher M. & Alghoul, M.A. & Sopian, K. & Majdi, Hasan Sh. & Al-Shamani, Ali Najah & Muftah, A.F., 2017. "Enhancement aspects of single stage absorption cooling cycle: A detailed review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 77(C), pages 1010-1045.
    6. 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.
    7. Le Lostec, Brice & Galanis, Nicolas & Baribeault, Jean & Millette, Jocelyn, 2008. "Wood chip drying with an absorption heat pump," Energy, Elsevier, vol. 33(3), pages 500-512.

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