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Heat-and-mass transfers modelled for rotary desiccant dehumidifiers

Pascal Stabat 1 Dominique Marchio 1 
1 CEP/Paris
CEP - Centre Énergétique et Procédés
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.
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Submitted on : Friday, October 25, 2013 - 9:45:26 PM
Last modification on : Wednesday, November 17, 2021 - 12:32:56 PM

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Pascal Stabat, Dominique Marchio. Heat-and-mass transfers modelled for rotary desiccant dehumidifiers. Applied Energy, Elsevier, 2008, 85 (2-3), pp.128-142. ⟨10.1016/j.apenergy.2007.06.017⟩. ⟨hal-00877089⟩



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