Phonon and electron temperature and non-Fourier heat transport in thin layers

被引：6
|
作者：
Carlomagno, I. [1 ]
Cimmelli, V. A. [1 ]
Sellitto, A. [2 ]
机构：
[1] Univ Basilicata, Dept Math Comp Sci & Econ, Campus Macchia Romana,Viale Ateneo Lucano 10, I-85100 Potenza, Italy
[2] Univ Salerno, Dept Ind Engn, Via Giovanni Paolo 2,132, I-84084 Fisciano, Italy
来源：
PHYSICA B-CONDENSED MATTER | 2017年 / 511卷
关键词：
Heat conduction with phonons and electrons; Two-temperature mixture of phonons and; electrons; Entropy flux; Local entropy production; THERMAL-CONDUCTIVITY; EFFICIENCY; BEHAVIOR; LAW;
D O I：
10.1016/j.physb.2017.01.023
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present a thermodynamic model of heat conductor which allows for different temperatures of phonons and electrons. This model is applied to calculate the steady-state radial temperature profile in a circular thin layer. The compatibility of the obtained temperature profiles with the second law of thermodynamics is investigated in view of the requirement of positive entropy production and of a nonlocal constitutive equation for the entropy flux.
引用
收藏
页码：61 / 67
页数：7
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