Modelling of coupled heat and moisture transfer in porous construction materials

被引：5
|
作者：
Chu, Shao-Shu [1 ]
Fang, Te-Hua [2 ]
Chang, Win-Jin [1 ]
机构：
[1] Kun Shan Univ, Dept Mech Engn, Tainan, Taiwan
[2] Natl Formosa Univ, Inst Mech & Electromech Engn, Yunlin, Taiwan
来源：
MATHEMATICAL AND COMPUTER MODELLING | 2009年 / 50卷 / 7-8期
关键词：
Coupled heat and moisture transfer; Temperature and humidity; Porous materials; BUILDING-MATERIALS; TEMPERATURE; CALCULATE;
D O I：
10.1016/j.mcm.2009.06.008
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper, a mathematical model is proposed for predicting air temperature and humidity in a two-room region. The model contains a coupled relationship between temperature and humidity within the constructions and can be solved by using the numerical method. However, the two-room region can be reduced to a single region when the region with no ventilation is considered, and then the room temperature and relative humidity can be obtained analytically. The solution obtained in this paper is verified by comparing with the result of the analytical method. It shows that the two results are in agreement. In addition, the proposed model can also be applied to simultaneously obtain the transient temperature and humidity of a two- room region for different porous construction materials. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1195 / 1204
页数：10
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