Electrohydrodynamic instabilities of viscous drops

被引:20
|
作者
Vlahovska, Petia M. [1 ]
机构
[1] Brown Univ, Sch Engn, Providence, RI 02912 USA
来源
PHYSICAL REVIEW FLUIDS | 2016年 / 1卷 / 06期
基金
美国国家科学基金会;
关键词
ELECTRIC-FIELD; COLLECTIVE DYNAMICS; DEFORMATION; STABILITY; ROTATION; COLLOIDS; FLUID; ELECTROROTATION; DISINTEGRATION; POPULATIONS;
D O I
10.1103/PhysRevFluids.1.060504
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
A classic result due to Taylor is that a weakly conducting drop bearing zero net charge placed in a uniform electric field adopts a prolate or oblate spheroidal shape, the flow and shape being axisymmetrically aligned with the applied field. Here I overview some intriguing symmetry-breaking instabilities occurring in strong applied dc fields: Quincke rotation resulting in drop steady tilt or tumbling, and pattern formation on the surface of a particle-coated drop.
引用
收藏
页数:9
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