Thermal rectification between two thermoelastic solids with a periodic array of rough zones at the interface

K. Chumak; R. Martynyak

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Thermal rectification between two thermoelastic solids with a periodic array of rough zones at the interface

机译：两个热弹性固体之间的热精馏，在界面处有周期性的粗糙区域阵列

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An analysis of the effective thermal contact resistance between two semi-infinite solids in the presence of a periodic array of rough zones at the interface is carried out on the basis of a solution of the correspond ing thermoelastic contact problem. The effect of the roughness is modeled by localized thermal contact resistances varying inversely with the contact pressure. The contact problem is reduced to a nonlinear singular integrodifferential equation, and an iterative procedure is proposed for its solving. The results demonstrate that the periodic array of rough zones between two semi-infinite solids exhibits thermal rectification. It is also found that the effective temperature jump and the effective thermal contact resis tance are nonlinear functions of a far field heat flux.

机译：基于相应的热弹性接触问题的解决方案，对在界面处存在粗糙区域的周期性阵列的情况下，对两个半无限固体之间的有效热接触电阻进行了分析。通过与接触压力成反比的局部热接触电阻来模拟粗糙度的影响。接触问题被简化为非线性奇异积分微分方程，并提出了求解的迭代程序。结果表明，两个半无限固体之间的粗糙区域的周期性阵列表现出热整流作用。还发现有效温度跳跃和有效热接触电阻是远场热通量的非线性函数。

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来源
《International Journal of Heat and Mass Transfer》 |2012年第22期|p.5603-5608|共6页
作者
K. Chumak; R. Martynyak;
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作者单位

Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, 3-b, Naukova Str., Lviv 79060, Ukraine;

Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, 3-b, Naukova Str., Lviv 79060, Ukraine;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
thermoelastic contact; roughness; effective thermal contact resistance; effective temperature jump; thermal distortivity; thermal rectification;

机译：热弹性接触粗糙度有效的热接触电阻;有效温度跳跃;热变形热精馏;

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Thermal rectification between two thermoelastic solids with a periodic array of rough zones at the interface

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