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An irreversible thermodynamic model for solar absorption refrigerator

Author

Listed:
  • Fathi, R.
  • Guemimi, C.
  • Ouaskit, S.

Abstract

A solar refrigerator is made of a solar collector and a refrigeration system. Real solar refrigerators usually operate between two limits, maximum coefficient of performance (COP) and maximum cooling load. A new model is presented to describe an irreversible absorption refrigerator, in which not only the irreversibilities of heat conduction but also those resulting from friction, eddy and other irreversible effects inside the working fluid are considered. The influence of these irreversible effects on the performance of an absorption refrigerator with continuous flow is investigated. The analytical expressions of the optimal refrigeration coefficient and the cooling rate of the refrigerator are derived. The predictions of the model are compared with semi-empirical cycle model of single-stage absorption refrigeration machines. The results obtained here can describe the optimal performance of a four temperature level absorption refrigeration affected simultaneously by the internal and external irreversibilities and provide the theoretical bases for the optimal design and operation of real absorption refrigerators operating between four temperature levels.

Suggested Citation

  • Fathi, R. & Guemimi, C. & Ouaskit, S., 2004. "An irreversible thermodynamic model for solar absorption refrigerator," Renewable Energy, Elsevier, vol. 29(8), pages 1349-1365.
    • Handle: RePEc:eee:renene:v:29:y:2004:i:8:p:1349-1365
    DOI: 10.1016/j.renene.2003.07.011
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    Citations

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    Cited by:

    1. Gebreslassie, Berhane H. & Guillén-Gosálbez, Gonzalo & Jiménez, Laureano & Boer, Dieter, 2010. "A systematic tool for the minimization of the life cycle impact of solar assisted absorption cooling systems," Energy, Elsevier, vol. 35(9), pages 3849-3862.
    2. Ngouateu Wouagfack, Paiguy Armand & Tchinda, Réné, 2013. "Finite-time thermodynamics optimization of absorption refrigeration systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 21(C), pages 524-536.
    3. Ahmad Saleh, 2022. "Modeling and Performance Analysis of a Solar Pond Integrated with an Absorption Cooling System," Energies, MDPI, vol. 15(22), pages 1-26, November.
    4. Li, Zhaojin & Bi, Yuehong & Wang, Cun & Shi, Qi & Mou, Tianhong, 2023. "Finite time thermodynamic optimization for performance of absorption energy storage systems," Energy, Elsevier, vol. 282(C).
    5. Anand, S. & Gupta, A. & Tyagi, S.K., 2015. "Solar cooling systems for climate change mitigation: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 41(C), pages 143-161.
    6. Afshar, O. & Saidur, R. & Hasanuzzaman, M. & Jameel, M., 2012. "A review of thermodynamics and heat transfer in solar refrigeration system," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(8), pages 5639-5648.

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