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Experimental investigation on the heat and mass transfer between air and liquid desiccant in a cross-flow dehumidifier

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  • Gao, W.Z.
  • Liu, J.H.
  • Cheng, Y.P.
  • Zhang, X.L.

Abstract

Dehumidifier is the core component in a liquid desiccant air-conditioning system, whose efficiency directly affects the whole performance. In this study a cross-flow dehumidifier was established in which LiCl solution and Celdek structured packing were used. Enthalpy efficiency and moisture efficiency were adopted to describe the heat and mass transfer performance of the dehumidifier. Influence of desiccant and air inlet parameters on the dehumidifier performance was experimentally investigated, and efficiency comparison in different air outlet regions was also carried out, as well as influence of packing structure size on dehumidifier performance. The results show that the outlet parameter values of air and solution can be easily gained with enthalpy efficiency and moisture efficiency which was obtained from experimental regression. Efficiency has obvious regional characteristics. By increasing the thickness, width or height simultaneously, better performance of Dehumidifier can be achieved without increasing the pressure loss.

Suggested Citation

  • Gao, W.Z. & Liu, J.H. & Cheng, Y.P. & Zhang, X.L., 2012. "Experimental investigation on the heat and mass transfer between air and liquid desiccant in a cross-flow dehumidifier," Renewable Energy, Elsevier, vol. 37(1), pages 117-123.
    • Handle: RePEc:eee:renene:v:37:y:2012:i:1:p:117-123
    DOI: 10.1016/j.renene.2011.06.006
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    References listed on IDEAS

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    1. Abdul-Wahab, S.A. & Zurigat, Y.H. & Abu-Arabi, M.K., 2004. "Predictions of moisture removal rate and dehumidification effectiveness for structured liquid desiccant air dehumidifier," Energy, Elsevier, vol. 29(1), pages 19-34.
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    Cited by:

    1. Mohammad, Abdulrahman Th. & Mat, Sohif Bin & Sopian, K. & Al-abidi, Abduljalil A., 2016. "Review: Survey of the control strategy of liquid desiccant systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 58(C), pages 250-258.
    2. Yang, Zili & Zhang, Kaisheng & Lian, Zhiwei & Zhang, Huibo, 2016. "Sensitivity and stability analysis on the performance of ultrasonic atomization liquid desiccant dehumidification system," Energy, Elsevier, vol. 112(C), pages 1169-1183.
    3. Yao, Ye, 2016. "Research and applications of ultrasound in HVAC field: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 58(C), pages 52-68.
    4. Luo, Yimo & Shao, Shuangquan & Xu, Hongbo & Tian, Changqing & Yang, Hongxing, 2014. "Experimental and theoretical research of a fin-tube type internally-cooled liquid desiccant dehumidifier," Applied Energy, Elsevier, vol. 133(C), pages 127-134.
    5. Yang, Zili & Zhang, Kaisheng & Hwang, Yunho & Lian, Zhiwei, 2016. "Performance investigation on the ultrasonic atomization liquid desiccant regeneration system," Applied Energy, Elsevier, vol. 171(C), pages 12-25.
    6. Zendehboudi, Alireza & Tatar, Afshin & Li, Xianting, 2017. "A comparative study and prediction of the liquid desiccant dehumidifiers using intelligent models," Renewable Energy, Elsevier, vol. 114(PB), pages 1023-1035.
    7. Kashish Kumar & Alok Singh & Saboor Shaik & C Ahamed Saleel & Abdul Aabid & Muneer Baig, 2022. "Comparative Analysis on Dehumidification Performance of KCOOH–LiCl Hybrid Liquid Desiccant Air-Conditioning System: An Energy-Saving Approach," Sustainability, MDPI, vol. 14(6), pages 1-22, March.
    8. Huang, Si-Min & Zhang, Li-Zhi, 2013. "Researches and trends in membrane-based liquid desiccant air dehumidification," Renewable and Sustainable Energy Reviews, Elsevier, vol. 28(C), pages 425-440.
    9. Wen, Tao & Lu, Lin, 2019. "A review of correlations and enhancement approaches for heat and mass transfer in liquid desiccant dehumidification system," Applied Energy, Elsevier, vol. 239(C), pages 757-784.
    10. Enteria, Napoleon & Yoshino, Hiroshi & Mochida, Akashi, 2013. "Review of the advances in open-cycle absorption air-conditioning systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 28(C), pages 265-289.
    11. Wen, Tao & Luo, Yimo & Wang, Meng & She, Xiaohui, 2021. "Comparative study on the liquid desiccant dehumidification performance of lithium chloride and potassium formate," Renewable Energy, Elsevier, vol. 167(C), pages 841-852.
    12. She, Xiaohui & Yin, Yonggao & Zhang, Xiaosong, 2015. "Suggested solution concentration for an energy-efficient refrigeration system combined with condensation heat-driven liquid desiccant cycle," Renewable Energy, Elsevier, vol. 83(C), pages 553-564.
    13. Yang, Zili & Lian, Zhiwei & Li, Xi & Zhang, Kaisheng, 2015. "Concept of dehumidification perfectness and its potential applications," Energy, Elsevier, vol. 91(C), pages 176-191.
    14. Farah G. Fahad & Shurooq T. Al-Humairi & Amged T. Al-Ezzi & Hasan Sh. Majdi & Abbas J. Sultan & Thaqal M. Alhuzaymi & Thaar M. Aljuwaya, 2023. "Advancements in Liquid Desiccant Technologies: A Comprehensive Review of Materials, Systems, and Applications," Sustainability, MDPI, vol. 15(18), pages 1-23, September.
    15. Yang, Zili & Tao, Ruiyang & Chen, Lu-An & Zhong, Ke & Chen, Bin, 2020. "Feasibility study on improving the performance of atomization liquid desiccant dehumidifier with standing-wave ultrasound," Energy, Elsevier, vol. 205(C).
    16. B. Kiran Naik & Mullapudi Joshi & Palanisamy Muthukumar & Muhammad Sultan & Takahiko Miyazaki & Redmond R. Shamshiri & Hadeed Ashraf, 2020. "Investigating Solid and Liquid Desiccant Dehumidification Options for Room Air-Conditioning and Drying Applications," Sustainability, MDPI, vol. 12(24), pages 1-22, December.
    17. Islam, M.R. & Alan, S.W.L. & Chua, K.J., 2018. "Studying the heat and mass transfer process of liquid desiccant for dehumidification and cooling," Applied Energy, Elsevier, vol. 221(C), pages 334-347.
    18. Giampieri, Alessandro & Ma, Zhiwei & Ling-Chin, Janie & Bao, Huashan & Smallbone, Andrew J. & Roskilly, Anthony Paul, 2022. "Liquid desiccant dehumidification and regeneration process: Advancing correlations for moisture and enthalpy effectiveness," Applied Energy, Elsevier, vol. 314(C).
    19. Sabareesh, V. & Milan, K. John & Muraleedharan, C. & Rohinikumar, B., 2021. "Improved solar drying performance by ultrasonic desiccant dehumidification in indirect forced convection solar drying of ginger with phase change material," Renewable Energy, Elsevier, vol. 169(C), pages 1280-1293.

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