Thermal Transpiration of Liquid in Nanoscale Channel: a Molecular Dynamics Simulation Study

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Thermal Transpiration of Liquid in Nanoscale Channel: a Molecular Dynamics Simulation Study

机译：纳米级通道中液体的热蒸发：分子动力学模拟研究

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The liquid flow in nanoscale channel under thermal gradient, or so-called thermal transpiration, is studied by Molecular Dynamics Simulation. The phenomenon was realized in two fluid systems which differed from each other in the methods for applying the temperature gradient. One used heat source and the other wall-heating. The channel was periodic and its walls consisted of two different materials: conducting, high energy wall and non-conducting slip wall. It is shown that the liquid in a periodic channel can effectively be driven by the thermal transpiration. Various characteristics of the flow are discussed that include the temperature gradient, velocity profile and liquid structure in the channel.

机译：通过分子动力学模拟研究了在热梯度或所谓的热蒸腾作用下纳米级通道中的液体流动。这种现象是在两个流体系统中实现的，它们在施加温度梯度的方法上互不相同。一个使用热源，另一个使用壁式加热。通道是周期性的，其壁由两种不同的材料组成：导电，高能壁和非导电滑壁。已经表明，周期性通道中的液体可以通过热蒸发有效地驱动。讨论了流的各种特性，包括通道中的温度梯度，速度分布和液体结构。

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《Key Engineering Materials》 |2008年第2期|p.879-884|共6页
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Minsub Han;
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Thermal Transpiration of Liquid in Nanoscale Channel: a Molecular Dynamics Simulation Study

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