Numerical solution of the dielectrophoretic and travelling wave forces for interdigitated electrode arrays using the finite element method

被引：179
|
作者：
Green, NG
Ramos, A
Morgan, H
机构：
[1] Univ Glasgow, Dept Elect & Elect Engn, Glasgow GU2 7KH, Lanark, Scotland
[2] Univ Sevilla, Dept Elect & Electromagnetismo, Fac Fis, E-41012 Seville, Spain
来源：
JOURNAL OF ELECTROSTATICS | 2002年 / 56卷 / 02期
关键词：
dielectrophoresis; travelling wave fields; finite element method; planar electrodes; particle electrorotational torque; AC electrokinetics;
D O I：
10.1016/S0304-3886(02)00069-4
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
AC electrokinetics is the study of the movement of polarisable particles under the influence of AC electric fields. The fields are applied to a suspension of particles by planar microelectrode structures and one particular design, the interdigitated bar electrode has been used in both dielectrophoretic (DEP) field flow fractionation and travelling wave dielectrophoresis. This paper presents, numerical solutions of the DEP and travelling wave forces for an interdigitated electrode array energised with either a 2- or 4-phase signal. The electrorotational torque experienced by the particle in the 4-phase travelling wave array is also calculated. The solutions are compared with previous results. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：235 / 254
页数：20
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