Numerical modeling of heat and moisture diffusion in porous materials

被引：0
|
作者：
Vasil’ev G.P. [1 ,2 ]
Lichman V.A. [1 ,2 ]
Peskov N.V. [1 ,2 ]
Semendyaeva N.L. [1 ,2 ]
机构：
[1] Scientific-Research Institute of Moscow Construction, Moscow
[2] Moscow State University, Moscow
来源：
Computational Mathematics and Modeling | 2015年 / 26卷 / 4期
关键词：
Moisture condensation and evaporation; Moisture transfer in a multilayer wall; Numerical modeling;
D O I：
10.1007/s10598-015-9287-9
中图分类号：
学科分类号：
摘要：
The article describes a one-dimensional model of heat and moisture transfer in a building wall constructed from several layers of different porous materials. The model consists of a system of diffusion equations for heat, water vapor, and liquid water allowing for condensation of vapor and evaporation of water. An algorithm and a computer program are developed for numerical solution of the model equations by the finite-difference method. Two examples are given calculating the heat and moisture regime of constructions over a 50-year period with allowance for seasonal changes of temperature and air humidity. © 2015 Springer Science+Business Media New York.
引用
收藏
页码：501 / 513
页数：12
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