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Gyrotactic suppression and emergence of chaotic trajectories of swimming particles in three-dimensional flows
2018
Physical Review Fluids
We study the effects of imposed three-dimensional flows on the trajectories and mixing of gyrotactic swimming micro-organisms, and identify new phenomena not seen in flows restricted to two dimensions. Through numerical simulation of Taylor-Green and ABC flows, we explore the role that the flow and the cell shape play in determining the long-term configuration of the cells' trajectories, which often take the form of multiple sinuous and helical 'plume-like' structures, even in the chaotic ABC
doi:10.1103/physrevfluids.3.023102
fatcat:p23mq3ezyfdrvmqmxyc2aqyrte