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题名

Propulsion kinematics of achiral microswimmers in viscous fluids

作者
通讯作者Ali,Jamel
发表日期
2021-05-17
DOI
发表期刊
ISSN
0003-6951
EISSN
1077-3118
卷号118期号:20
摘要

Here we investigate the dynamic behavior of self-assembling achiral swimmers in viscous media. The response of magnetically actuated swimmers of two differing geometries is explored under various uniform rotational field frequencies and amplitudes. Kinematic characteristics obtained from tracked swimming motion, including speed, precession angle (wobbling angle), and re-orientation time (turning rate), are determined and reveal nonlinear relationships between the dynamic response of the achiral swimmers and fluid viscosity, which induces drag forces that reduce the speed of propulsion and turning rates. We also find distinct regimes of swimmer motion that are dependent on both fluid viscosity and swimmer geometry. Similar viscosity and geometric dependence is observed for turning rates of swimmers when undergoing rapid changes in field orientation. The characteristic results obtained for microswimmer motion in viscous fluids will contribute to the development of control strategies for propelling other simple swimmers with two or more planes of symmetry. Characterized propulsion kinematics will aid in the optimization of swimmer designs and actuation approaches, critical for future low Reynolds number applications.

相关链接[Scopus记录]
收录类别
SCI ; EI
语种
英语
重要成果
NI期刊
学校署名
其他
资助项目
National Science Foundation[
WOS研究方向
Physics
WOS类目
Physics, Applied
WOS记录号
WOS:000687579700001
出版者
EI入藏号
20212210432527
EI主题词
Drag ; Geometry ; Kinematics ; Propulsion ; Reynolds number ; Viscous flow
EI分类号
Fluid Flow, General:631.1 ; Mathematics:921 ; Mechanics:931.1
ESI学科分类
PHYSICS
Scopus记录号
2-s2.0-85106597962
来源库
Scopus
引用统计
被引频次[WOS]:5
成果类型期刊论文
条目标识符http://sustech.caswiz.com/handle/2SGJ60CL/229568
专题工学院_机械与能源工程系
作者单位
1.Department of Chemical and Biomedical Engineering,FAMU-FSU College of Engineering,Tallahassee,32310,United States
2.National High Magnetic Field Laboratory,Tallahassee,32310,United States
3.Department of Mechanical and Energy Engineering,Southern University of Science and Technology,Shenzhen,518055,China
推荐引用方式
GB/T 7714
Benhal,Prateek,Quashie,David,Cheang,U. Kei,et al. Propulsion kinematics of achiral microswimmers in viscous fluids[J]. APPLIED PHYSICS LETTERS,2021,118(20).
APA
Benhal,Prateek,Quashie,David,Cheang,U. Kei,&Ali,Jamel.(2021).Propulsion kinematics of achiral microswimmers in viscous fluids.APPLIED PHYSICS LETTERS,118(20).
MLA
Benhal,Prateek,et al."Propulsion kinematics of achiral microswimmers in viscous fluids".APPLIED PHYSICS LETTERS 118.20(2021).
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