Non-Fourier effect in the presence of coupled heat and moisture transfer

被引：20

作者：

Andarwa, S. ^{[1
]}

Tabrizi, H. Basirat ^{[1
]}

机构：

[1] Amirkabir Univ Technol, Dept Mech Engn, Tehran, Iran

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2010年 / 53卷 / 15-16期

关键词：

Heat and mass transfer; Luikov's equations; Wavefront speed; Relaxation time; Laplace transform; Modeling; POROUS-MEDIA; CONDUCTION; TEMPERATURE; LEQUATION;

D O I：

10.1016/j.ijheatmasstransfer.2010.03.019

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The objective of this paper is to study heat and mass transfer coupling under non-Fourier effect. The non-Fourier model is applied on Luikov's equations. The governed equation is called Luikov's Corrected (LC) equations and is solved by hybrid analytical-numerical method. Heat and mass propagation in LC field is shown to be wavelike; so, wavefront speed is obtained. Applying non-Fourier model instead of Fourier's law sensitizes Luikov's equations to respond in fast transient process. Further, the effect of heat and mass transfer coupling on interpreting non-Fourier affects is investigated. It is seen that the presence of heat and mass transfer coupling reduces wavefront speed with respect to uncoupled non-Fourier heat transfer. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：3080 / 3087

页数：8

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