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

Munetoshi Sakai; Jeong Hwan Song; Naoya Yoshida; Shunsuke Suzuki; Yoshikazu Kameshima; Akira Nakajima

doi:10.1016/j.susc.2006.06.039

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

Munetoshi Sakai, Jeong Hwan Song, Naoya Yoshida, Shunsuke Suzuki, Yoshikazu Kameshima, Akira Nakajima

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

24 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	L204-L208
Journal	Surface Science
Volume	600
Issue number	16
DOIs	https://doi.org/10.1016/j.susc.2006.06.039
Publication status	Published - Aug 15 2006
Externally published	Yes

Keywords

Contact angle
Contact angle hysteresis
Hydrophobicity
Sliding acceleration
Sliding angle

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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title = "Relationship between sliding acceleration of water droplets and dynamic contact angles on hydrophobic surfaces",

abstract = "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.",

keywords = "Contact angle, Contact angle hysteresis, Hydrophobicity, Sliding acceleration, Sliding angle",

author = "Munetoshi Sakai and Song, {Jeong Hwan} and Naoya Yoshida and Shunsuke Suzuki and Yoshikazu Kameshima and Akira Nakajima",

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T1 - Relationship between sliding acceleration of water droplets and dynamic contact angles on hydrophobic surfaces

AU - Sakai, Munetoshi

AU - Song, Jeong Hwan

AU - Yoshida, Naoya

AU - Suzuki, Shunsuke

AU - Kameshima, Yoshikazu

AU - Nakajima, Akira

PY - 2006/8/15

Y1 - 2006/8/15

N2 - 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.

AB - 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.

KW - Contact angle

KW - Contact angle hysteresis

KW - Hydrophobicity

KW - Sliding acceleration

KW - Sliding angle

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VL - 600

SP - L204-L208

JO - Surface Science

JF - Surface Science

SN - 0039-6028

IS - 16

ER -

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

Abstract

Keywords

ASJC Scopus subject areas

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