A Camphor Grain Oscillates while Breaking Symmetry

The self-motion of a camphor grain was investigated on a linear water route. The oscillatory motion along the water route was maintained for ca. 15 cycles. The driving force is discussed in relation to a rhythmic change in the surface tension, which depends on the surface concentration of the campho...

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Bibliographic Details
Published in:The journal of physical chemistry. B 2001-06, Vol.105 (22), p.5353-5357
Main Authors: Hayashima, Yuko, Nagayama, Masaharu, Nakata, Satoshi
Format: Article
Language:English
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Summary:The self-motion of a camphor grain was investigated on a linear water route. The oscillatory motion along the water route was maintained for ca. 15 cycles. The driving force is discussed in relation to a rhythmic change in the surface tension, which depends on the surface concentration of the camphor layer. The essential features of the self-motion were reproduced by a numerical calculation in relation to the spatial distribution of the camphor layer at the air−water interface.
ISSN:1520-6106
1520-5207
DOI:10.1021/jp004505n