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Theoretical performances of various refrigerant-absorbent pairs in a vapor-absorption refrigeration cycle by the use of equations of state

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  • Yokozeki, A.

Abstract

The vapor-absorption refrigeration cycle is an old and well-established technique, particularly with ammonia/water and water/LiBr systems. New types of refrigerant-absorbent pairs are also being actively studied. Modeling the cycle performance requires thermodynamic properties, which have been largely based on empirical correlation equations fitted to a large amount of experimental data such as solubility at various temperatures, pressures, and compositions. In this report, we have demonstrated, for the first time, a thermodynamically consistent model based on the equations of state for refrigerant-absorbent mixtures. Various commonly known binary-pairs for the absorption cycle are used as examples. Cycle performances and some new insights on understanding the cycle process are shown.

Suggested Citation

  • Yokozeki, A., 2005. "Theoretical performances of various refrigerant-absorbent pairs in a vapor-absorption refrigeration cycle by the use of equations of state," Applied Energy, Elsevier, vol. 80(4), pages 383-399, April.
    • Handle: RePEc:eee:appene:v:80:y:2005:i:4:p:383-399
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    Cited by:

    1. Ruiz, E. & Ferro, V.R. & de Riva, J. & Moreno, D. & Palomar, J., 2014. "Evaluation of ionic liquids as absorbents for ammonia absorption refrigeration cycles using COSMO-based process simulations," Applied Energy, Elsevier, vol. 123(C), pages 281-291.
    2. Yokozeki, A. & Shiflett, Mark B., 2007. "Vapor-liquid equilibria of ammonia + ionic liquid mixtures," Applied Energy, Elsevier, vol. 84(12), pages 1258-1273, December.
    3. Abdullah, Mohammad Omar & Hieng, Tang Chung, 2010. "Comparative analysis of performance and techno-economics for a H2O-NH3-H2 absorption refrigerator driven by different energy sources," Applied Energy, Elsevier, vol. 87(5), pages 1535-1545, May.
    4. Kim, Yoon Jo & Kim, Sarah & Joshi, Yogendra K. & Fedorov, Andrei G. & Kohl, Paul A., 2012. "Thermodynamic analysis of an absorption refrigeration system with ionic-liquid/refrigerant mixture as a working fluid," Energy, Elsevier, vol. 44(1), pages 1005-1016.
    5. Moreno, Daniel & Ferro, Víctor R. & de Riva, Juan & Santiago, Rubén & Moya, Cristian & Larriba, Marcos & Palomar, José, 2018. "Absorption refrigeration cycles based on ionic liquids: Refrigerant/absorbent selection by thermodynamic and process analysis," Applied Energy, Elsevier, vol. 213(C), pages 179-194.
    6. Chen, Wei & Bai, Yang, 2016. "Thermal performance of an absorption-refrigeration system with [emim]Cu2Cl5/NH3 as working fluid," Energy, Elsevier, vol. 112(C), pages 332-341.
    7. Wang, Z.X. & Li, H.Y. & Zhang, X.F. & Wang, L.W. & Du, S. & Fang, C., 2020. "Performance analysis on a novel micro-scale combined cooling, heating and power (CCHP) system for domestic utilization driven by biomass energy," Renewable Energy, Elsevier, vol. 156(C), pages 1215-1232.
    8. Papadopoulos, Athanasios I. & Kyriakides, Alexios-Spyridon & Seferlis, Panos & Hassan, Ibrahim, 2019. "Absorption refrigeration processes with organic working fluid mixtures- a review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 109(C), pages 239-270.
    9. Wu, Wei & Wang, Baolong & Shi, Wenxing & Li, Xianting, 2014. "An overview of ammonia-based absorption chillers and heat pumps," Renewable and Sustainable Energy Reviews, Elsevier, vol. 31(C), pages 681-707.
    10. Dong, Li & Zheng, Danxing & Nie, Nan & Li, Yun, 2012. "Performance prediction of absorption refrigeration cycle based on the measurements of vapor pressure and heat capacity of H2O+[DMIM]DMP system," Applied Energy, Elsevier, vol. 98(C), pages 326-332.

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