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Vapour-compression and liquid-desiccant hybrid solar space-conditioning system for energy conservation

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  • Yadav, Y.K.

Abstract

This paper presents some energy conservation and techno-economic assessment studies of a hybrid solar space-conditioning system consisting of conventional vapour-compression (V-C) and liquid-desiccant cycles. The liquid-desiccant cycle is used to bring the humidity within the comfort range by partially converting the latent heat load (LHL) into a sensible heat load and then meeting this load with a conventional V-C cycle. In a hybrid V-C system, the heat rejected from the condenser is used to partially regenerate the desiccant to improve the coefficient of performance (COP) of the system. Thermodynamic modelling of the hybrid V-C system with R-11 as the refrigerant and water-LiBr as the liquid desiccant has been carried out and the effect of operating parameters on the system COP and cooling capacity has been investigated. It is found that the hybrid V-C system is more promising under high latent heat load or higher ambient humidity conditions, and significant energy saving can be achieved over standard V-C cooling systems.

Suggested Citation

  • Yadav, Y.K., 1995. "Vapour-compression and liquid-desiccant hybrid solar space-conditioning system for energy conservation," Renewable Energy, Elsevier, vol. 6(7), pages 719-723.
    • Handle: RePEc:eee:renene:v:6:y:1995:i:7:p:719-723
    DOI: 10.1016/0960-1481(95)00009-9
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    Cited by:

    1. Jani, D.B. & Mishra, Manish & Sahoo, P.K., 2016. "Solid desiccant air conditioning – A state of the art review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 60(C), pages 1451-1469.
    2. Allouhi, A. & Kousksou, T. & Jamil, A. & Bruel, P. & Mourad, Y. & Zeraouli, Y., 2015. "Solar driven cooling systems: An updated review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 44(C), pages 159-181.
    3. Yinglin, Li & Xiaosong, Zhang & Laizai, Tan & Zhongbin, Zhang & Wei, Wu & Xueying, Xia, 2016. "Performance analysis of a novel liquid desiccant-vapor compression hybrid air-conditioning system," Energy, Elsevier, vol. 109(C), pages 180-189.
    4. Shukla, Dhruvin L. & Modi, Kalpesh V., 2017. "A technical review on regeneration of liquid desiccant using solar energy," Renewable and Sustainable Energy Reviews, Elsevier, vol. 78(C), pages 517-529.
    5. She, Xiaohui & Cong, Lin & Nie, Binjian & Leng, Guanghui & Peng, Hao & Chen, Yi & Zhang, Xiaosong & Wen, Tao & Yang, Hongxing & Luo, Yimo, 2018. "Energy-efficient and -economic technologies for air conditioning with vapor compression refrigeration: A comprehensive review," Applied Energy, Elsevier, vol. 232(C), pages 157-186.
    6. Abdel-Salam, Ahmed H. & Simonson, Carey J., 2016. "State-of-the-art in liquid desiccant air conditioning equipment and systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 58(C), pages 1152-1183.
    7. Bergero, Stefano & Chiari, Anna, 2011. "On the performances of a hybrid air-conditioning system in different climatic conditions," Energy, Elsevier, vol. 36(8), pages 5261-5273.
    8. Daou, K. & Wang, R.Z. & Xia, Z.Z., 2006. "Desiccant cooling air conditioning: a review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 10(2), pages 55-77, April.
    9. Min-Hwi Kim & Joon-Young Park & Jae-Weon Jeong, 2017. "Energy Saving Potential of a Thermoelectric Heat Pump-Assisted Liquid Desiccant System in a Dedicated Outdoor Air System," Energies, MDPI, vol. 10(9), pages 1-19, September.
    10. Yilmaz, Saban & Binici, Hanifi & Ozcalik, Hasan Riza, 2016. "Energy supply in a green school via a photovoltaic-thermal power system," Renewable and Sustainable Energy Reviews, Elsevier, vol. 57(C), pages 713-720.
    11. Mohammad, Abdulrahman Th. & Bin Mat, Sohif & Sulaiman, M.Y. & Sopian, K. & Al-abidi, Abduljalil A., 2013. "Survey of hybrid liquid desiccant air conditioning systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 20(C), pages 186-200.
    12. Mei, L. & Dai, Y.J., 2008. "A technical review on use of liquid-desiccant dehumidification for air-conditioning application," Renewable and Sustainable Energy Reviews, Elsevier, vol. 12(3), pages 662-689, April.
    13. Gado, Mohamed G. & Ookawara, Shinichi & Nada, Sameh & El-Sharkawy, Ibrahim I., 2021. "Hybrid sorption-vapor compression cooling systems: A comprehensive overview," Renewable and Sustainable Energy Reviews, Elsevier, vol. 143(C).
    14. Zhao, Kang & Liu, Xiao-Hua & Jiang, Yi, 2016. "Application of radiant floor cooling in large space buildings – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 55(C), pages 1083-1096.

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