Journal article
Minimal geometric requirements for micropropulsion via magnetic rotation
Physical review. E, Statistical, nonlinear, and soft matter physics, v 90(3), pp 033007-033007
12 Sep 2014
PMID: 25314529
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Controllable propulsion of microscale and nanoscale devices enhanced with additional functionality would enable the realization of miniaturized robotic swimmers applicable to transport and assembly, actuators, and drug delivery systems. Following biological examples, existing magnetically actuated microswimmers have been designed to use flexibility or chirality, presenting fabrication challenges. Here we show that, contrary to biomimetic expectations, magnetically actuated geometries with neither flexibility nor chirality can produce propulsion, through both experimental demonstration and a theoretical analysis, which elucidates the fundamental constraints on micropropulsion via magnetetic rotation. Our results advance existing paradigms of low-Reynolds-number propulsion, possibly enabling simpler fabrication and design of microswimmers and nanoswimmers.
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Details
- Title
- Minimal geometric requirements for micropropulsion via magnetic rotation
- Creators
- U. Kei Cheang - Drexel UniversityFarshad Meshkati - University of Nevada, RenoDalhyung Kim - Drexel Univ, Dept Mech Engn & Mech, Philadelphia, PA 19104 USAMin Jun Kim - Drexel UniversityHenry Chien Fu - University of Nevada, Reno
- Publication Details
- Physical review. E, Statistical, nonlinear, and soft matter physics, v 90(3), pp 033007-033007
- Publisher
- Amer Physical Soc
- Number of pages
- 8
- Grant note
- W911NF-11-1-0490 / Army Research Office National Science Foundation Graduate Research Fellowship (NSF-GRF); National Science Foundation (NSF) CMMI 1000255; CBET-1067798; CBET-0967510; DMR-1307497 / National Science Foundation; National Science Foundation (NSF)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Mechanical Engineering and Mechanics
- Web of Science ID
- WOS:000342143600007
- Scopus ID
- 2-s2.0-84907267792
- Other Identifier
- 991019330809204721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Physics, Fluids & Plasmas
- Physics, Mathematical