毛细管填充纳米通道中的电粘性效应
Electro-viscous effects in capillary filling of nanochannels
摘要：
我们从理论上研究了广泛的假设，在最近的实验中观察到的毛细管填充纳米通道的表观粘度增加的电粘性起源。包括德拜层校正的水力阻力，我们发现，表观粘度达到最大值的介观制度的通道高度（或更一般的水力半径）是相当的筛选长度。然而，对于中心参数的现实估计，我们发现，电粘性的贡献的表观粘度是最多1%的效果。
英文摘要：
We theoretically examine the widespread hypothesis of an electro-viscous origin of the increase in apparent viscosity observed in recent experiments on capillary filling of nanochannels. Including Debye-layer corrections to the hydraulic resistance we find that the apparent viscosity reaches a maximum in the mesoscopic regime where the channel height (or more generally the hydraulic radius) is comparable to the screening length. However, for realistic estimates of central parameters, we find that the electro-viscous contribution to the apparent viscosity is at most a 1% effect.
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