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Spontaneous motion of an elliptic camphor particle

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Title: Spontaneous motion of an elliptic camphor particle
Authors: Kitahata, Hiroyuki Browse this author →KAKEN DB
Iida, Keita Browse this author
Nagayama, Masaharu Browse this author →KAKEN DB
Issue Date: Jan-2013
Publisher: American Physical Society
Journal Title: Physical Review E
Volume: 87
Issue: 1
Start Page: 010901
Publisher DOI: 10.1103/PhysRevE.87.010901
Abstract: The coupling between deformation and motion in a self-propelled system has attracted broader interest. In the present study, we consider an elliptic camphor particle for investigating the effect of particle shape on spontaneous motion. It is concluded that the symmetric spatial distribution of camphor molecules at the water surface becomes unstable first in the direction of a short axis, which induces the camphor disk motion in this direction. Experimental results also support the theoretical analysis. From the present results, we suggest that when an elliptic particle supplies surface-active molecules to the water surface, the particle can exhibit translational motion only in the short-axis direction.
Rights: ©2013 American Physical Society
Type: article
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 長山 雅晴

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