微纳流体通道中的质量与电荷输运
流体动力学
2007-06-13 v1
摘要
我们考虑了由压力和电渗驱动的、长直通道内不可压缩电解质的层流。我们使用希尔伯特空间本征函数展开来处理任意横截面的普遍问题，并在线性响应理论中获得了满足Onsager关系的质量与电荷输运系数的一般结果。在德拜层不重叠的极限下，输运系数可以简单地用电解质参数以及水力半径R=2A/P（其中A和P分别是横截面积和周长）来表示。特别地，我们分别考虑了薄的不重叠以及强重叠的德拜层极限，并计算了由于电-流体动力学相互作用对水力阻力的修正。
引用
@article{arxiv.physics/0611271,
title = {Mass and charge transport in micro and nano-fluidic channels},
author = {N. A. Mortensen and L. H. Olesen and F. Okkels and H. Bruus},
journal= {arXiv preprint arXiv:physics/0611271},
year = {2007}
}
备注
Invited paper presented at the Second International Conference on Transport Phenomena in Micro and Nanodevices, Il Ciocco Hotel and Conference Center, Barga, Italy, 11-15 June 2006. Accepted for publication in a special issue of Nanoscale and Microscale Thermophysical Engineering (Taylor & Francis)