Relationship between sliding acceleration of water droplets and dynamic contact angles on hydrophobic surfaces

被引：30

作者：

Sakai, Munetoshi

Song, Jeong-Hwan

Yoshida, Naoya

Suzuki, Shunsuke

Kameshima, Yoshikazu

Nakajima, Akira

机构：

[1] Kanagawa Acad Sci & Technol, Takatsu Ku, Kawasaki, Kanagawa 2130012, Japan

[2] Univ Tokyo, Adv Sci & Technol Res Ctr, Meguro Ku, Tokyo 1538904, Japan

[3] Tokyo Inst Technol, Grad Sch Sci & Engn, Dept Met & Ceram Sci, Meguro Ku, Tokyo 1528552, Japan

来源：

SURFACE SCIENCE | 2006年 / 600卷 / 16期

关键词：

hydrophobicity; sliding angle; contact angle; sliding acceleration; contact angle hysteresis;

D O I：

10.1016/j.susc.2006.06.039

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This study measured sliding acceleration of water droplets on hydrophobic solid surfaces and used expanding and contracting method to compare that value with dynamic contact angles. Sliding action of the droplet was classified into three motion categories: constant accelerated motion, constant velocity and stasis. Differences exist in the dependencies of contact radius and the injection-suction rate in dynamic contact angle hysteresis according to these categories. This method is an effective indicator of water droplets' sliding acceleration. (c) 2006 Elsevier B.V. All rights reserved.

引用

收藏

页码：L204 / L208

页数：5

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