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Entrainment and scattering in microswimmer-colloid interactions

Abstract:

We use boundary element simulations to study the interaction of model microswimmers with a neutrally buoyant spherical particle. The ratio of the size of the particle to that of the swimmer is varied from R\supP / R\supS \ll 1, corresponding to swimmer--tracer scattering, to R\supP / R\supS \gg 1, approximately equivalent to the swimmer interacting with a fixed, flat surface. We find that details of the swimmer and particle trajectories vary for different swimmers. However, the overall charac...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevFluids.2.113101

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Oxford college:
St Hilda's College
Role:
Author
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Grant:
Advanced Grant 291234 MiCE
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Fluids Journal website
Volume:
2
Issue:
11
Article number:
113101
Publication date:
2017-11-09
Acceptance date:
2017-10-27
DOI:
ISSN:
2469-990X
Source identifiers:
742589
Pubs id:
pubs:742589
UUID:
uuid:58e8a89c-73dc-40cd-802e-eb2d54d24cb0
Local pid:
pubs:742589
Deposit date:
2017-11-03

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