Nematic liquid crystal under plane oscillatory flows

Authors
Tarasov, OS Krekhov, AP Kramer, L
Citation
Os. Tarasov et al., Nematic liquid crystal under plane oscillatory flows, MOL CRYST A, 328, 1999, pp. 573-580
Citations number
12
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS
ISSN journal
1058725X → ACNP
Volume
328
Year of publication
1999
Pages
573 - 580
Database
ISI
SICI code
1058-725X(1999)328:<573:NLCUPO>2.0.ZU;2-U
Abstract
We consider planarly oriented nematic liquid crystal subjected to plane, re ctilinear, oscillatory Couette or Poiseuille flow in the case, when the dir ector is initially perpendicular to the flow plane. Using the Galerkin meth od we found the critical amplitude of the flow at which the homogeneous ins tability develops. The analytical approximations for the frequency dependen ce of the critical amplitude for different types of flow are obtained. The results are compared with experimental data.