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Pace and patterns of magnetic swimmers in a billiard pool

URN to cite this document: urn:nbn:de:bvb:703-epub-3901-7

Title data

Maier, Florian Johannes ; Sesselmann, Markus ; Rehberg, Ingo ; Richter, Reinhard:
Pace and patterns of magnetic swimmers in a billiard pool.
In: Physical Review E. Vol. 96 (July 2017) Issue 1 . - 012205. - 10 S.
ISSN 1550-2376
DOI der Verlagsversion: https://doi.org/10.1103/PhysRevE.96.012205

Format:	PDF
Name:	PhysRevE.96.012205.pdf
Version:	Published Version
Available under License	German copyright law. This contribution is freely accessible with the consent of the copyright holder on the basis of an (DFG-funded) alliance or national license. The document may be used free of charge for personal use. In addition, the reproduction, editing, distribution and any kind of exploitation require the written consent of the respective rights holder.

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Abstract

We experimentally investigate magnetic surface swimmers on water. These objects self-assemble from ferromagnetic microparticles and a nonmagnetic disk. They are floating on the liquid surface due to interface tension and move under the influence of a harmonically oscillating homogeneous magnetic field oriented vertically, which is distinguished by its amplitude and frequency. The speed of the surface swimmers strongly depends on these parameters. The functional dependencies between speed and amplitude and between speed and frequency are investigated by independently varying both control parameters. In the first case, the data obtained are in good agreement with the predicted scaling while there are some deviations in the latter case. Moreover, due to the interplay between the surface bound swimmers and the ascending liquid meniscus at the edge of the experimental vessel, different dynamics can be realized. We observe periodic and quasiperiodic trajectories in a circular vessel and aperiodic trajectories in a vessel shaped like a Bunimovich stadium.

Further data

Item Type:	Article in a journal
Keywords:	Chaos; collective dynamics; fluid-particle interactions; locomotion; swimming
DDC Subjects:	500 Science > 530 Physics
Institutions of the University:	Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Former Professors > Chair Experimental Physics V - Univ.-Prof. Dr. Ingo Rehberg Profile Fields > Advanced Fields > Nonlinear Dynamics Faculties Faculties > Faculty of Mathematics, Physics und Computer Science Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V Profile Fields Profile Fields > Advanced Fields Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Former Professors
Language:	English
Originates at UBT:	Yes
URN:	urn:nbn:de:bvb:703-epub-3901-7
Date Deposited:	04 Dec 2018 10:10
Last Modified:	30 Jun 2020 10:37
URI:	https://epub.uni-bayreuth.de/id/eprint/3901

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