Nematic liquid crystal under plane oscillatory flows

被引：2
|
作者：
Tarasov, OS
Krekhov, AP
Kramer, L
机构：
[1] Univ Bayreuth, Inst Phys, D-95440 Bayreuth, Germany
[2] Russian Acad Sci, Inst Mol & Crystal Phys, Ufa 450025, Russia
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1999年 / 328卷
关键词：
nematic liquid crystal; oscillatory flow; instability;
D O I：
10.1080/10587259908026102
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We consider planarly oriented nematic liquid crystal subjected to plane, rectilinear, oscillatory Couette or Poiseuille flow in the case, when the director is initially perpendicular to the flow plane. Using the Galerkin method we found the critical amplitude of the flow at which the homogeneous instability develops. The analytical approximations for the frequency dependence of the critical amplitude for different types of flow are obtained. The results are compared with experimental data.
引用
收藏
页码：573 / 580
页数：8
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