Defect-influenced particle advection in highly confined liquid crystal flows.
basic_science · Level V
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- Record sourced from PubMed, PMID 38227288.
- Also identified by DOI 10.1039/d3sm01297b.
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Abstract
We study the morphology of the Saturn ring defect and director structure around a colloidal particle with normal anchoring conditions and within the flow of the nematic host phase through a rectangular duct of comparable size to the particle. The changes in the defect structures and director profile influence the advection behaviour of the particle, which we compare to that in a simple Newtonian host phase. These effects lead to a non-monotonous dependence of the differential velocity of particle and fluid, also known as retardation ratio, on the Ericksen number.