各向异性电泳驱动的微流体泵
Microfluidic pump driven by anisotropic phoresis
摘要：
通过将相对的壁保持在不同的温度下，并在通道内放置细长的倾斜柱，可以诱导沿着微通道的流体流动。这种流体运动的驱动力来自细长柱的各向异性热泳效应，其产生平行于壁且垂直于温度梯度的力。该力不是由障碍物表面的嗜热或疏热特性决定的，而是由障碍物的几何形状和热泳各向异性决定的。通过介观流体动力学模拟，我们调查的泵送性能的设备作为一个功能的通道的几何形状，和支柱表面性能。流体混合器和流体交流发电机的应用也被概述，连同所有这些设备的潜在用途，以收获废热能。此外，也可以采用扩散电泳或电泳来构建类似的装置。
英文摘要：
Fluid flow along microchannels can be induced by keeping opposite walls at different temperatures, and placing elongated tilted pillars inside the channel. The driving force for this fluid motion arises from the anisotropic thermophoretic effect of the elongated pillars that generates a force parallel to the walls, and perpendicular to the temperature gradient. The force is not determined by the thermophilic or thermophobic character of the obstacle surface, but by the geometry and the thermophoretic anisotropy of the obstacle. Via mesoscale hydrodynamic simulations, we investigate the pumping properties of the device as a function of the channel geometry, and pillar surface properties. Applications as fluidic mixers, and fluid alternators are also outlined, together with the potential use of all these devices to harvest waste heat energy. Furthermore, similar devices can be also built employing diffusiophoresis or electrophoresis.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
