ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Dynamics of a self-propelled particle under different driving modes in a channel flow |
Zhenyu Ouyang(欧阳振宇), Jianzhong Lin(林建忠), Xiaoke Ku(库晓珂) |
State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027, China |
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Abstract In this paper, a model that combines the lattice Boltzmann method with the singularity distribution method is proposed to simulate a self-propelled particle swimming (exhibiting translation and rotation) in a channel flow. The results show that the velocity distribution for a self-propelled particle swimming deviates from a Maxwellian distribution and exhibits high-velocity tails. The influence of an eccentric potential doublet on the translation velocity of the particle is significant. The velocity decay process can be described using a double exponential model form. No large differences in the velocity distribution were observed for different translation Reynolds numbers, rotation Reynolds numbers, or regular intervals.
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Received: 06 May 2016
Revised: 28 August 2016
Accepted manuscript online:
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11632016). |
Corresponding Authors:
Jianzhong Lin
E-mail: mecjzlin@public.zju.edu.cn
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Cite this article:
Zhenyu Ouyang(欧阳振宇), Jianzhong Lin(林建忠), Xiaoke Ku(库晓珂) Dynamics of a self-propelled particle under different driving modes in a channel flow 2017 Chin. Phys. B 26 014701
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