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001     819784
005     20240712112955.0
024 7 _ |a 2128/12895
|2 Handle
037 _ _ |a FZJ-2016-05380
041 _ _ |a English
100 1 _ |a Xie, Qingguang
|0 P:(DE-HGF)0
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111 2 _ |a Microswimmers – From Single Particle Motion to Collective Behaviour
|c Bonn
|d 2016-10-04 - 2016-10-07
|w Germany
245 _ _ |a Computer simulations of magnetocapillary swimmers
260 _ _ |c 2016
336 7 _ |a Conference Paper
|0 33
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520 _ _ |a Self-assembled magnetocapillary microswimmers were experimentally demonstrated recently. Here, we study the motion of a magnetocapillary swimmer by means of a hybrid lattice Boltzmann and discrete element method. Three magnetic particles are placed at a fluid-fluid interface. The particles deform the interface due to their weights, leading thus to a capillary attraction force. At the same time, the particles experience a repulsive magnetic dipole-dipole force along with an upwards applied static magnetic field. Through the competing of attractive capillary and repulsive magnetic forces, a stable assembly of the three magnetic particles is achieved. By applying an oscillating horizontal magnetic field, the triplet demonstrates a directed motion. We numerically investigate the effect of frequency and direction of the magnetic field on the motion of the swimmer and analyze the results theoretically. In addition, we demonstrate a possible application of magnetocapillary swimmers for cargo transportation.
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700 1 _ |a Sukhov, Alexander
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|e Corresponding author
700 1 _ |a Harting, Jens
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910 1 _ |a TU Eindhoven, The Netherlands
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910 1 _ |a Forschungszentrum Jülich
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