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Heat-and-mass transfers modelled for rotary desiccant dehumidifiers

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  • Stabat, Pascal
  • Marchio, Dominique

Abstract

A desiccant-wheel behavioural model has been developed. This model fulfils several criteria, such as simplicity of parameterization; accuracy; ability to characterize the equipment behaviour under all operation conditions; and short computation time. The method of characteristics has been applied to the heat-and-mass transfer partial-differential equations. This transformation provides equations which are similar to those of a rotary heat-exchanger. Then, the model is described by the effectiveness-NTU method and identified from only one nominal-rating point. The model predictions have been compared with experimental and manufacturers' data for a broad range of operating conditions. Good agreement has been found.

Suggested Citation

  • Stabat, Pascal & Marchio, Dominique, 2008. "Heat-and-mass transfers modelled for rotary desiccant dehumidifiers," Applied Energy, Elsevier, vol. 85(2-3), pages 128-142, February.
    • Handle: RePEc:eee:appene:v:85:y:2008:i:2-3:p:128-142
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    Citations

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    Cited by:

    1. Chanchira Channoy & Somchai Maneewan & Surapong Chirarattananon & Chantana Punlek, 2022. "Development and Characterization of Composite Desiccant Impregnated with LiCl for Thermoelectric Dehumidifier (TED)," Energies, MDPI, vol. 15(5), pages 1-17, February.
    2. Angrisani, Giovanni & Capozzoli, Alfonso & Minichiello, Francesco & Roselli, Carlo & Sasso, Maurizio, 2011. "Desiccant wheel regenerated by thermal energy from a microcogenerator: Experimental assessment of the performances," Applied Energy, Elsevier, vol. 88(4), pages 1354-1365, April.
    3. Ruivo, Celestino R. & Goldsworthy, Mark & Intini, Manuel, 2014. "Interpolation methods to predict the influence of inlet airflow states on desiccant wheel performance at low regeneration temperature," Energy, Elsevier, vol. 68(C), pages 765-772.
    4. Fu, Huang-Xi & Zhang, Li-Zhi & Xu, Jian-Chang & Cai, Rong-Rong, 2016. "A dual-scale analysis of a desiccant wheel with a novel organic–inorganic hybrid adsorbent for energy recovery," Applied Energy, Elsevier, vol. 163(C), pages 167-179.
    5. Ge, T.S. & Dai, Y.J. & Wang, R.Z. & Peng, Z.Z., 2010. "Experimental comparison and analysis on silica gel and polymer coated fin-tube heat exchangers," Energy, Elsevier, vol. 35(7), pages 2893-2900.
    6. Ge, T.S. & Dai, Y.J. & Wang, R.Z., 2014. "Review on solar powered rotary desiccant wheel cooling system," Renewable and Sustainable Energy Reviews, Elsevier, vol. 39(C), pages 476-497.
    7. Ruivo, C.R. & Costa, J.J. & Figueiredo, A.R. & Kodama, A., 2012. "Effectiveness parameters for the prediction of the global performance of desiccant wheels – An assessment based on experimental data," Renewable Energy, Elsevier, vol. 38(1), pages 181-187.
    8. Zhou, Xingchao & Goldsworthy, Mark & Sproul, Alistair, 2018. "Performance investigation of an internally cooled desiccant wheel," Applied Energy, Elsevier, vol. 224(C), pages 382-397.

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