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

20 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 languageEnglish
JournalSurface Science
Volume600
Issue number16
DOIs
Publication statusPublished - Aug 15 2006
Externally publishedYes

Fingerprint

Contact angle
sliding
Water
water
suction
solid surfaces
Hysteresis
hysteresis
injection
radii

Keywords

  • Contact angle
  • Contact angle hysteresis
  • Hydrophobicity
  • Sliding acceleration
  • Sliding angle

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Relationship between sliding acceleration of water droplets and dynamic contact angles on hydrophobic surfaces. / Sakai, Munetoshi; Song, Jeong Hwan; Yoshida, Naoya; Suzuki, Shunsuke; Kameshima, Yoshikazu; Nakajima, Akira.

In: Surface Science, Vol. 600, No. 16, 15.08.2006.

Research output: Contribution to journal › Article

Sakai, M, Song, JH, Yoshida, N, Suzuki, S, Kameshima, Y & Nakajima, A 2006, 'Relationship between sliding acceleration of water droplets and dynamic contact angles on hydrophobic surfaces', Surface Science, vol. 600, no. 16. https://doi.org/10.1016/j.susc.2006.06.039
Sakai M, Song JH, Yoshida N, Suzuki S, Kameshima Y, Nakajima A. Relationship between sliding acceleration of water droplets and dynamic contact angles on hydrophobic surfaces. Surface Science. 2006 Aug 15;600(16). https://doi.org/10.1016/j.susc.2006.06.039
Sakai, Munetoshi ; Song, Jeong Hwan ; Yoshida, Naoya ; Suzuki, Shunsuke ; Kameshima, Yoshikazu ; Nakajima, Akira. / Relationship between sliding acceleration of water droplets and dynamic contact angles on hydrophobic surfaces. In: Surface Science. 2006 ; Vol. 600, No. 16.
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