Effects of Microchannel Cross-section Shape on Particle Focusing

被引：0
|
作者：
Ma, Dexian [1 ]
Zhang, Yin [1 ]
Chen, Yunfei [1 ]
机构：
[1] Southeast Univ, Sch Mech Engn, Jiangsu Key Lab Design & Fabricat Micronano Biome, Nanjing 211189, Peoples R China
来源：
2019 IEEE INTERNATIONAL CONFERENCE ON MANIPULATION, MANUFACTURING AND MEASUREMENT ON THE NANOSCALE (IEEE 3M-NANO) | 2019年
基金：
中国国家自然科学基金;
关键词：
microchannel; aspect ratio; cross-section shape; particle focusing; LABEL-FREE ISOLATION; ULTRA-FAST; SEPARATION;
D O I：
10.1109/3m-nano46308.2019.8947374
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, we studied the effects of D-sharp microchannel of two cross-section shapes of rectangle and ellipse with different aspect ratios on the focusing properties of the micro particles. The numerical simulation results show that elliptical cross section microchannel with aspect ratio of 2 has the best particle focusing effect. This is because the Dean drag force dominates the position of the particle; and the Dean vortex is stable in the elliptical shapemicrochannel, and the lateral flow velocity is the largest.
引用
收藏
页码：237 / 240
页数：4
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