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Heat and mass transfer modeling in rotary desiccant dehumidifiers

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  • Stabat, Pascal
  • Marchio, Dominique

Abstract

A desiccant wheel model has been developed in the aim to be adapted to building simulation tools. This model fulfils several criteria such as simplicity of parameterization, accuracy, possibility to characterize the equipment under all operation conditions and low computation time. The method of characteristics has been applied to the heat and mass transfer partial differential equations. This transformation provides new equations which are similar to those of a rotary heat exchanger. Then, the model is described by the Effectiveness-NTU method and it is identified from only one nominal rating point. The model has been compared to experimental and manufacturers' data for a broad range of operating conditions. A good agreement has been found.

Suggested Citation

  • Stabat, Pascal & Marchio, Dominique, 2009. "Heat and mass transfer modeling in rotary desiccant dehumidifiers," Applied Energy, Elsevier, vol. 86(5), pages 762-771, May.
    • Handle: RePEc:eee:appene:v:86:y:2009:i:5:p:762-771
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    Citations

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    Cited by:

    1. Kang, Hyungmook & Choi, Sun & Lee, Dae-Young, 2018. "Analytic solution to predict the outlet air states of a desiccant wheel with an arbitrary split ratio," Energy, Elsevier, vol. 153(C), pages 301-310.
    2. Kang, Hyungmook & Lee, Gilbong & Lee, Dae-Young, 2015. "Explicit analytic solution for heat and mass transfer in a desiccant wheel using a simplified model," Energy, Elsevier, vol. 93(P2), pages 2559-2567.
    3. Fong, K.F. & Lee, C.K., 2018. "Impact of adsorbent characteristics on performance of solid desiccant wheel," Energy, Elsevier, vol. 144(C), pages 1003-1012.
    4. Zhang, Guiying & Tian, Changqing & Shao, Shuangquan, 2014. "Experimental investigation on adsorption and electro-osmosis regeneration of macroporous silica gel desiccant," Applied Energy, Elsevier, vol. 136(C), pages 1010-1017.
    5. Zouaoui, Ahlem & Zili-Ghedira, Leila & Ben Nasrallah, Sassi, 2016. "Open solid desiccant cooling air systems: A review and comparative study," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 889-917.
    6. Angrisani, Giovanni & Minichiello, Francesco & Roselli, Carlo & Sasso, Maurizio, 2012. "Experimental analysis on the dehumidification and thermal performance of a desiccant wheel," Applied Energy, Elsevier, vol. 92(C), pages 563-572.
    7. Chiang, Yuan-Ching & Chen, Chih-Hao & Chiang, Yi-Chin & Chen, Sih-Li, 2016. "Circulating inclined fluidized beds with application for desiccant dehumidification systems," Applied Energy, Elsevier, vol. 175(C), pages 199-211.
    8. Shamim, Jubair A. & Hsu, Wei-Lun & Paul, Soumyadeep & Yu, Lili & Daiguji, Hirofumi, 2021. "A review of solid desiccant dehumidifiers: Current status and near-term development goals in the context of net zero energy buildings," Renewable and Sustainable Energy Reviews, Elsevier, vol. 137(C).
    9. 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.
    10. Qi, Ronghui & Tian, Changqing & Shao, Shuangquan, 2010. "Experimental investigation on possibility of electro-osmotic regeneration for solid desiccant," Applied Energy, Elsevier, vol. 87(7), pages 2266-2272, July.
    11. Angrisani, Giovanni & Roselli, Carlo & Sasso, Maurizio, 2013. "Effect of rotational speed on the performances of a desiccant wheel," Applied Energy, Elsevier, vol. 104(C), pages 268-275.

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