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Zbl 0969.76085
Fan, Jintu; Luo, Zhongxuan; Li, Yi
Heat and moisture transfer with sorption and condensation in porous clothing assemblies and numerical simulation. (English)
[J] Int. J. Heat Mass Transfer 43, No.16, 2989-3000 (2000); erratum ibid. 44, No. 5, 1079 (2001). ISSN 0017-9310

Summary: We present a dynamic model of heat and moisture transfer with sorption and condensation in porous clothing assemblies. The model considers for the first time the effect of water content in the porous fibrous batting on the effective thermal conductivity as well as radiative heat transfer, which is an important mode of heat transfer when there is a large difference in boundary temperatures. The distributions of temperature, moisture concentration and liquid water content in the porous media for different material parameters and boundary conditions are numerically computed and compared. The presented numerical results show that the condensation zone expends towards its boundaries with time.

MSC 2000:: *76S05 Flows in porous media
76M20 Finite difference methods
80A20 Heat and mass transfer

Keywords: moisture transfer; sorption; condensation; porous clothing assemblies; effect of water content; porous fibrous batting; effective thermal conductivity; radiative heat transfer; condensation zone

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