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The principle of non-mechanical transport of a liquid crystal in thin capillaries

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Abstract

The non-mechanical principle of transport of a liquid crystal (LC) encapsulated in a narrow cavity between two coaxially arranged cylinders is introduced based on the interaction of the temperature and director field gradients. The temperature gradient is created due to a heat flow from the inner cylinder surface, whereas the temperature on the outer cylinder surface is maintained constant. The director field gradient is caused by the deformation of the planar-oriented LC cavity upon exposure to a double electrostatic layer, which naturally appears at the LC phase-solid interface. The size of the gap between the bounding surfaces, cylinder curvatures, and thermal conditions are determined, which allow initiation of the LC phase flow in the horizontal direction.

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Authors and Affiliations

  1. Institute of Problems of Mechanical Engineering, Russian Academy of Sciences, Bolshoi pr. 61, St. Petersburg, 199178, Russia

    A. V. Zakharov & A. A. Vakulenko

Authors
  1. A. V. Zakharov
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  2. A. A. Vakulenko
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Correspondence to A. A. Vakulenko.

Additional information

Original Russian Text © A.V. Zakharov, A.A. Vakulenko, 2011, published in Fizika Tverdogo Tela, 2011, Vol. 53, No. 8, pp. 1645–1650.

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Zakharov, A.V., Vakulenko, A.A. The principle of non-mechanical transport of a liquid crystal in thin capillaries. Phys. Solid State 53, 1732–1738 (2011). https://doi.org/10.1134/S1063783411080336

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  • DOI: https://doi.org/10.1134/S1063783411080336

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