Projects per year
Abstract
We observe novel positional control of a colloidal particle in microchannel flow of a nematic liquid crystal. Lattice Boltzmann simulations show multiple equilibrium particle positions, the existence and position of which are tunable using the driving pressure, in direct contrast to the classical Segré-Silberberg effect in isotropic liquids. In addition, particle migration in nematic flow occurs an order of magnitude faster. These new equilibria are determined through a balance of elastic forces, hydrodynamic lift and drag as well as order-flow interactions through the defect structure around the particle.
| Original language | English |
|---|---|
| Pages (from-to) | 6942-6953 |
| Number of pages | 12 |
| Journal | Soft Matter |
| Volume | 18 |
| Issue number | 36 |
| Early online date | 26 Aug 2022 |
| DOIs | |
| Publication status | Published - 28 Sept 2022 |
Keywords
- controllable particle migration
- liquid crystal flows
- novel positional control
- colloidal particle
- nematic flow
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Dive into the research topics of 'Controllable particle migration in liquid crystal flows'. Together they form a unique fingerprint.Projects
- 2 Finished
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Doctoral Training Partnership 2018-19 University of Strathclyde | Lesniewska, Magdalena
Henrich, O. (Principal Investigator), Mottram, N. (Co-investigator) & Lesniewska, M. (Research Co-investigator)
EPSRC (Engineering and Physical Sciences Research Council)
1/10/18 → 4/06/24
Project: Research Studentship - Internally Allocated
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EPSRC Research Software Engineer Fellowship
Henrich, O. (Fellow)
EPSRC (Engineering and Physical Sciences Research Council)
1/07/17 → 31/07/21
Project: Research Fellowship
Datasets
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Data for: "Controllable particle migration in liquid crystal flows", Soft Matter 18, 6942 (2022)
Henrich, O. (Creator), Lesniewska, M. (Contributor) & Mottram, N. (Contributor), University of Strathclyde, 21 Sept 2022
DOI: 10.15129/87b7b75d-8eb5-47e7-855f-ef150861786e
Dataset