Oscillation of a tilted circular pad on a droplet for the self-alignment process

Masayuki Kaneda, Michinori Yamamoto, Koichi Nakaso, Tsuyoshi Yamamoto, Jun Fukai

研究成果: Contribution to journalArticle査読

7 被引用数 (Scopus)

抄録

The seesaw-oscillation of a small circular pad on a single droplet was studied both numerically and experimentally. The circular pad with a diameter of 2.0-3.8 mm onto a water or glycerol droplet with a volume of 1-10 μL, and a bottom substrate with a smaller diameter than that of the pad were used in the experiment. The pad was then tilted and then the tilting fixture was quickly removed. The pad alternately oscillated and then finally stabilized in a horizontal position. The numerical model considering the surface tension and the viscous force of the droplet was developed and calculated using the same configurations as those in the experiment. The experimental and numerical data showed good agreement not only in terms of the oscillating frequency and damping ratio but the transient motion of the circular pad and instantaneous droplet surface shape.

本文言語英語
ページ(範囲)177-184
ページ数8
ジャーナルPrecision Engineering
31
2
DOI
出版ステータス出版済み - 4 1 2007

All Science Journal Classification (ASJC) codes

  • 工学(全般)

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