The determination of the viscosity coefficients of nematic liquid crystals |
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| Authors: | G J O'neill |
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| Institution: |
a Department of Mathematics, University of Strathclyde, Glasgow, Scotland
b Department of Science and Technology, Centre for Computer Science, Chr. Michelsen Institute, Fantoft Bergen, Norway |
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| Abstract: | This paper considers the flow generated by driving a sample of nematic liquid crystal through a rectangular capillary by application of a small pressure gradient in the presence of a large aligning magnetic field. A theoretical calculation based on the continuum theory of nematics is presented which makes some allowance for non-uniform alignment induced by flow, and allows a more accurate determination of the viscosities corresponding to the three principal configurations in the plane of shear. |
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