Transient model for coupled heat, air and moisture transfer through multilayered porous media

被引：146
|
作者：
Tariku, Fitsum [1 ]
Kumaran, Kumar [2 ]
Fazio, Paul [3 ]
机构：
[1] British Columbia Inst Technol, Burnaby, BC V5G 3H2, Canada
[2] CNR, Inst Res Construct, Ottawa, ON K1A 0R6, Canada
[3] Concordia Univ, Montreal, PQ H3G 1M8, Canada
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2010年 / 53卷 / 15-16期
关键词：
Transient HAM; Moisture; Hygrothermal; Building envelope;
D O I：
10.1016/j.ijheatmasstransfer.2010.03.024
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Most building materials are porous, composed of solid matrix and pores. The time varying indoor and outdoor climatic conditions result heat, air and moisture (HAM) transfer across building enclosures. In this paper, a transient model that solves the coupled heat, air and moisture transfer through multilayered porous media is developed and benchmarked using internationally published analytical, numerical and experimental test cases. The good agreements obtained with the respective test cases suggest that the model can be used to assess the hygrothermal performance of building envelope components as well as to simulate the dynamic moisture absorption and release of moisture buffering materials. (C) 2010 Elsevier Ltd. All rights reserved.
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页码：3035 / 3044
页数：10
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