Local Thermal Non-Equilibrium and Heterogeneity Effects on the Onset of Convection in a Layered Porous Medium

被引：0

作者：

D. A. Nield

A. V. Kuznetsov

机构：

[1] University of Auckland,Department of Engineering Science

[2] North Carolina State University,Department of Mechanical and Aerospace Engineering

来源：

Transport in Porous Media | 2014年 / 102卷

关键词：

Local thermal non-equilibrium; Porous medium; Instability; Natural convection;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The effect of local thermal non-equilibrium on the onset of convection in a porous medium consisting of two horizontal layers is studied analytically. Linear stability theory is applied. Variations of permeability, fluid conductivity, solid conductivity, interphase heat transfer coefficient and porosity are considered. It is found that heterogeneity of permeability and fluid conductivity have a major effect, heterogeneity of interphase heat transfer coefficient and porosity have a lesser effect, while heterogeneity of solid conductivity is relatively unimportant.

引用

页码：1 / 13

页数：12

共 50 条

[1] Local Thermal Non-Equilibrium and Heterogeneity Effects on the Onset of Convection in a Layered Porous Medium
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[9] The Effects of Double Diffusion and Local Thermal Non-equilibrium on the Onset of Convection in a Layered Porous Medium: Non-oscillatory Instability
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