Nematic Liquid Crystal under Plane Oscillatory Flows

Nematic Liquid Crystal under Plane Oscillatory Flows

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 ins...

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Veröffentlicht in:Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals Molecular crystals and liquid crystals, 1999-08, Vol.328 (1), p.573-580
Hauptverfasser: Tarasov, O. S., Krekhov, A. P., Kramer, L.
Format: Artikel
Sprache:eng
Schlagworte:
instability
nematic liquid crystal
oscillatory flow
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Zusammenfassung: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.
ISSN:1058-725X
DOI:10.1080/10587259908026102