Wetting effects on the spreading of a liquid droplet colliding with a flat surface: Experiment and modeling

Jun Fukai, Y. Shiiba, T. Yamamoto, O. Miyatake, D. Poulikakos, C. M. Megaridis, Z. Zhao

Research output: Contribution to journalArticle

382 Citations (Scopus)

Abstract

In this paper an experimental and theoretical study of the deformation of a spherical liquid droplet colliding with a flat surface is presented. The theoretical model accounts for the presence of inertia, viscous, gravitation, surface tension, and wetting effects, including the phenomenon of contact-angle hysteresis. Experiments with impingement surfaces of different wettability were performed. The study showed that the maximum splat radius decreased as the value of the advancing contact angle increased. The effect of impact velocity on droplet spreading was more pronounced when the wetting was limited. The experimental results were compared to the numerical ' predictions in terms of droplet deformation, splat radius, and splat height. The theoretical model predicted well the deformation of the impacting droplet, not only in the spreading phase, but also during recoiling and oscillation. The wettability of the substrate upon which the droplet impinges was found to affect significantly all phases of the spreading process, including the formation and development of a ring structure around the splat.

Original languageEnglish
Pages (from-to)236-247
Number of pages12
JournalPhysics of Fluids
Volume7
Issue number2
DOIs
Publication statusPublished - Jan 1 1995

Fingerprint

wetting
flat surfaces
wettability
liquids
recoilings
radii
impact velocity
impingement
ring structures
inertia
interfacial tension
hysteresis
gravitation
oscillations
predictions

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

Fukai, J., Shiiba, Y., Yamamoto, T., Miyatake, O., Poulikakos, D., Megaridis, C. M., & Zhao, Z. (1995). Wetting effects on the spreading of a liquid droplet colliding with a flat surface: Experiment and modeling. Physics of Fluids, 7(2), 236-247. https://doi.org/10.1063/1.868622

Wetting effects on the spreading of a liquid droplet colliding with a flat surface : Experiment and modeling. / Fukai, Jun; Shiiba, Y.; Yamamoto, T.; Miyatake, O.; Poulikakos, D.; Megaridis, C. M.; Zhao, Z.

In: Physics of Fluids, Vol. 7, No. 2, 01.01.1995, p. 236-247.

Research output: Contribution to journalArticle

Fukai, J, Shiiba, Y, Yamamoto, T, Miyatake, O, Poulikakos, D, Megaridis, CM & Zhao, Z 1995, 'Wetting effects on the spreading of a liquid droplet colliding with a flat surface: Experiment and modeling', Physics of Fluids, vol. 7, no. 2, pp. 236-247. https://doi.org/10.1063/1.868622
Fukai, Jun ; Shiiba, Y. ; Yamamoto, T. ; Miyatake, O. ; Poulikakos, D. ; Megaridis, C. M. ; Zhao, Z. / Wetting effects on the spreading of a liquid droplet colliding with a flat surface : Experiment and modeling. In: Physics of Fluids. 1995 ; Vol. 7, No. 2. pp. 236-247.
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