Journal Article

FZJ-2021-02161

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Regimes of motion of magnetocapillary swimmers

Sukhov, A. (Corresponding author)FZJ* ; Hubert, M.FZJ* ; Grosjean, G.FZJ* ; Trosman, O.FZJ* ; Ziegler, S.FZJ* ; Collard, Y. ; Vandewalle, N. ; Smith, A.-S.FZJ* ; Harting, J.FZJ*

2021
Springer Heidelberg

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Please use a persistent id in citations: http://hdl.handle.net/2128/27801  doi:10.1140/epje/s10189-021-00065-2

Abstract: The dynamics of a triangular magnetocapillary swimmer is studied using the lattice Boltzmannmethod. We extend on our previous work, which deals with the self-assembly and a specific type of theswimmer motion characterized by the swimmer’s maximum velocity centred around the particle’s inverseviscous time. Here, we identify additional regimes of motion. First, modifying the ratio of surface tensionand magnetic forces allows to study the swimmer propagation in the regime of significantly lower frequenciesmainly defined by the strength of the magnetocapillary potential. Second, introducing a constant magneticcontribution in each of the particles in addition to their magnetic moment induced by external fields leadsto another regime characterized by strong in-plane swimmer reorientations that resemble experimentalobservations.

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Contributing Institute(s):

1. Helmholtz-Institut Erlangen-Nürnberg Erneuerbare Energien (IEK-11)

Research Program(s):

1. 121 - Photovoltaik und Windenergie (POF4-121) (POF4-121)
2. 1215 - Simulations, Theory, Optics, and Analytics (STOA) (POF4-121) (POF4-121)
3. DFG project 366087427 - Magnetokapillare Mikroroboter zum Einfangen und zum Transport von Objekten an Flüssiggrenzflächen (366087427)

Appears in the scientific report 2021

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; ; ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; DEAL Springer ; Ebsco Academic Search ; Essential Science Indicators ; IF < 5 ; JCR ; Nationallizenz ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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