Explicit Conditions for Local Thermal Equilibrium in Porous Media Heat Conduction

PETER VADASZ

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Explicit Conditions for Local Thermal Equilibrium in Porous Media Heat Conduction

机译：多孔介质导热中局部热平衡的显式条件

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Based on the traditional formulation of heat transfer in porous media it is demonstrated that Local Thermal Equilibrium (Lotheq) applies generally for any boundary conditions that are a combination of constant temperature and insulation. The resulting consequences are being analysed and discussed. Among these consequences it is shown that the linear relationship between the average temperature difference of the two phases and the heat transferred over the fluid-solid interface is inappropriate for use in connection with conditions of Lack of Local Thermal Equilibrium (La Lotheq).

机译：基于多孔介质中传热的传统公式，证明了局部热平衡（Lotheq）通常适用于将恒温和隔热结合在一起的任何边界条件。由此产生的后果正在分析和讨论中。这些结果表明，两相平均温差与流固界面上传递的热量之间的线性关系不适用于缺乏局部热平衡的条件（La Lotheq）。

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来源
《Transport in Porous Media》 |2005年第3期|p.341-355|共15页
作者
PETER VADASZ;
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作者单位

Department of Mechanical Engineering, Northern Arizona University, P. O. Box 15600, Flagstaff, AZ 86011-5600, U.S.A.;

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原文格式 PDF
正文语种 eng
中图分类流体力学;
关键词
local thermal equilibrium; heat conduction; dual-phase-lagging; thermal waves; hyperbolic heat conduction;

机译：局部热平衡;热传导;两相滞后;热波;双曲型热传导;

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2. Local thermal non-equilibrium in porous media with heat conduction [J] . Gandomkar A., Gray K. E. International Journal of Heat and Mass Transfer . 2018,第SEPa期

机译：导热的多孔介质中的局部热不平衡
3. On the paradox of heat conduction in porous media subject to lack of local thermal equilibrium [J] . Peter Vadasz International Journal of Heat and Mass Transfer . 2007,第21a22期

机译：缺乏局部热平衡的多孔介质中热传导的悖论
4. A PARADOX OF HEAT CONDUCTION IN POROUS MEDIA SUBJECT TO LACK OF LOCAL THERMAL EQUILIBRIUM [C] . Peter Vadasz, American Society of Mechanical Engineers(ASME), HTD-vol.377-1 ASME International Mechanical Engineering Congress and Exposition . 2007

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Explicit Conditions for Local Thermal Equilibrium in Porous Media Heat Conduction

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