Rotational motion of a droplet induced by interfacial tension

Ken H. Nagai; Fumi Takabatake; Yutaka Sumino; Hiroyuki Kitahata; Masatoshi Ichikawa; Natsuhiko Yoshinaga

doi:10.1103/PhysRevE.87.013009

Rotational motion of a droplet induced by interfacial tension

Ken H. Nagai, Fumi Takabatake, Yutaka Sumino, Hiroyuki Kitahata, Masatoshi Ichikawa, Natsuhiko Yoshinaga

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

Spontaneous rotation of a droplet induced by the Marangoni flow is analyzed in a two-dimensional system. The droplet with the small particle which supplies a surfactant at the interface is considered. We calculated flow field around the droplet using the Stokes equation and found that advective nonlinearity breaks symmetry for rotation. Theoretical calculation indicates that the droplet spontaneously rotates when the radius of the droplet is an appropriate size. The theoretical results were validated through comparison with the experiments.

Original language	English
Article number	013009
Journal	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume	87
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevE.87.013009
Publication status	Published - 2013 Jan 9

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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10.1103/PhysRevE.87.013009

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AU - Sumino, Yutaka

AU - Kitahata, Hiroyuki

AU - Ichikawa, Masatoshi

AU - Yoshinaga, Natsuhiko

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Rotational motion of a droplet induced by interfacial tension

Abstract

ASJC Scopus subject areas

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