Dielectric behavior of spinning ER particles under electric fields

被引：4
|
作者：
Cao, JG
Wang, J
Zhou, LW
机构：
[1] Fudan Univ, State Key Lab Appl Surface Phys, Shanghai 200433, Peoples R China
[2] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2006年 / 419卷 / 1-3期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.cplett.2005.11.074
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
When electrotheological (ER) fluids are subjected to an electric field crossed with a shear flow, a large tilt angle of particle chains and a spin motion of ER particles can be observed. The particles spin even inside the field-induced tilt chains. In certain range of shear rates, the chain tilt angle (between the particle chain and electric field) is beyond those predicted by some existing theoretical models. We further present an improved theory to understand the experimental observations. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：149 / 153
页数：5
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