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首页> 外文期刊>Physics Letters, A >Interface thermal resistance and thermal conductivity in composites – an abrupt junction thermal diode model
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Interface thermal resistance and thermal conductivity in composites – an abrupt junction thermal diode model

机译：复合材料的界面热阻和导热系数–突变结热敏二极管模型

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摘要

An abrupt junction diode model is proposed to study the interface thermal resistance and thermal conductivity of composite. We have demonstrated that the structure of thermal diode greatly influences the heat flow and hence it is possible to regulate the heat flow via the geometry of the diode. The composite materials can significantly reduce the thermal conductivity compared to an equivalent single material. By tuning the mass ratio of oscillator of right segment to that of oscillator of left segment of the composite, MR/ML, crossover between negative differential thermal resistance and positive differential thermal resistance as well as figure of meritfor composite material can betuned. It is also seen that the composite will work as a better thermal insulating material thanits pure constituent materials.
机译：提出了一种突变结二极管模型来研究复合材料的界面热阻和导热系数。我们已经证明了热敏二极管的结构极大地影响了热流，因此可以通过二极管的几何形状来调节热流。与等效的单一材料相比，复合材料可显着降低导热系数。通过调节复合材料的右段振荡器与左段振荡器的质量比MR / ML，可以调节负差分热阻与正差分热阻之间的交叉以及复合材料的品质因数。还可以看出，该复合材料将比其纯组成材料更好地用作隔热材料。

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