Analysis of Condensation in Porous Wall Exposed to Hot Humid Climate |
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Authors: | GUO Xing-guo and CHEN You-ming |
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Institution: | School of Civil Engineering and Architecture, Nanchang University, Nanchang 330031, P.R.China;College of Civil Engineering, Hunan University, Changsha 410082, P.R.China;College of Civil Engineering, Hunan University, Changsha 410082, P.R.China |
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Abstract: | According to the work of Motakef and EI-Masri, the wall was divided into dry-wet-dry zones. Based on the heat and moisture transfer through porous media, considering the vapour condensation as a vapour sink, water source and heat source, coupled heat and moisture equations for wet zone were established. Closed-form analytical expressions for the condensation rate, moisture content and the time when critical moisture content value reached are obtained. It is indicated that the condensation rate exhibits a strong dependence on the temperature difference of the two sides of wet zone, and the maximum condensation rate value is reached at the boundary of wet zone close to lower temperature. |
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Keywords: | wet zone condensation coupled heat and moisture transfer moisture content |
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