メニスカス不安定理論による分離面パターンの解析

概要

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When a viscous liquid is confined between two parallel plates and the plates are rapidly separated from each other, the free surface of the liquid is disturbed. As a result, tree-like patterns of the liquid remain on the plates. This phenomenon is called meniscus instability. The authors have reported the relation between the minimum wavelength of the disturbance and capillary number. It is very useful to study this phenomenon, if the minimum wavelength can be obtained from the patterns on the plates. In the present paper, the tree-like patterns on the plates are analyzed with respect to fractal geometry in the field of modern mathematics and the relation between the patterns and the minimum wavelength of disturbance is investigated. The maximum force and energy required to separate the plates are also studied against the modified capillary number.
一般社団法人日本機械学会の論文
1988-09-25