DOI: 10.1063/1.869343. Wetting of heterogeneous surfaces: Influence of defect interactions

Wetting of heterogeneous surfaces: Influence of defect interactions

10.1063/1.869343

Crossref journal-article

AIP Publishing

Physics of Fluids (317)

Abstract

We investigate the motion of a fluid interface through a thin cell, used as a model for porous media with heterogeneous wettability properties. We analyze how the distribution of wettability defects modifies the shape of the advancing interface. Solid substrates are prepared with a photolithography technique to create wettability defects. Several distributions of defects are generated, with different surface densities and different position ordering. The amplitude of fluctuation of the fluid interface is measured for the different defect distributions and with or without gravity stabilization of the interface. When the interface is stabilized by gravity, the capillary length sets the distance below which defects strongly cooperate to pin the interface and trap air bubbles. Trapping of the advancing interface by the defects is dependent on the spatial distribution of defects. The interface fluctuation is much larger for strongly disordered distributions and is related to a correlation length of the defect pattern.

Bibliography

Paterson, A., & Fermigier, M. (1997). Wetting of heterogeneous surfaces: Influence of defect interactions. Physics of Fluids, 9(8), 2210â2216.

Authors 2

A. Paterson (first)
M. Fermigier (additional)

References 21 Referenced 36

10.1103/RevModPhys.57.827 / Rev. Mod. Phys. / Wetting: Statics and dynamics (1985)
10.1088/0034-4885/55/4/001 / Rep. Prog. Phys. / Liquid spreading (1992)
10.1103/PhysRevLett.65.599 / Phys. Rev. Lett. / Experiments on wetting on the scale of nanometers: Influence of the surface energy (1990)
{'key': '2024020700015843700_r4', 'first-page': '562', 'article-title': 'Terraced spreading mechanisms for chain molecules', 'volume': '53', 'year': '1995', 'journal-title': 'Phys. Rev. E'} / Phys. Rev. E / Terraced spreading mechanisms for chain molecules (1995)
{'key': '2024020700015843700_r5'}
10.1103/PhysRevE.51.1291 / Phys. Rev. E / Wetting on heterogeneous surfaces: Experiments in an imperfect Hele-Shaw cell (1995)
10.1051/jphys:019860047090154100 / J. Phys. / Imperfect Hele-Shaw cells (1986)
{'key': '2024020700015843700_r8', 'first-page': '1011', 'article-title': 'Cellule de Hele-Shaw imparfaite: Un modèle décrivant la statique et la dynamique de l’interface perturbée par un défaut de mouillabilité isolé', 'volume': '314', 'year': '1992', 'journal-title': 'C. R. Acad. Sci. Paris'} / C. R. Acad. Sci. Paris / Cellule de Hele-Shaw imparfaite: Un modèle décrivant la statique et la dynamique de l’interface perturbée par un défaut de mouillabilité isolé (1992)
10.1017/S0022112084000367 / J. Fluid Mech. / Two phase displacement in Hele-Shaw cells : Theory (1984)
10.1017/S0022112073001849 / J. Fluid Mech. / The stability of pendent liquid drops. Part 1. Drops formed in a narrow gap (1973)
10.1209/0295-5075/17/7/006 / Europhys. Lett. / Contact angle hysteresis and interacting surface defects (1992)
10.1088/0305-4470/14/8/007 / J. Phys. A / Continuum percolation in two dimensions: Monte Carlo test of scaling and universality for noninteracting disks (1981)
{'key': '2024020700015843700_r13'}
{'key': '2024020700015843700_r14'}
10.1209/0295-5075/20/6/009 / Europhys. Lett. / An investigation of microscopic aspects of contact angle hysteresis: Pinning of the contact line on a single defect (1992)
10.1016/0166-6622(90)80149-X / Colloids Surf. (1990)
10.1209/0295-5075/23/1/008 / Europhys. Lett. / Contact line distortion by nonwetting defects on a completely wetted vertical wall: An experimental study (1993)
{'key': '2024020700015843700_r18'}
10.1146/annurev.fl.17.010185.000433 / Annu. Rev. Fluid Mech. / Coating flows (1985)
10.1103/PhysRevLett.60.2042 / Phys. Rev. Lett. / Dynamical transition in quasistatic fluid invasion in porous media (1988)
{'key': '2024020700015843700_r21', 'first-page': '12', 'article-title': 'Scaling relations for interface motion through disordered media: Application to two-dimensional fluid invasion', 'volume': '44', 'year': '1991', 'journal-title': 'Phys. Rev. B'} / Phys. Rev. B / Scaling relations for interface motion through disordered media: Application to two-dimensional fluid invasion (1991)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 8:29 a.m.)
Deposited	1 year, 6 months ago (Feb. 6, 2024, 9:30 p.m.)
Indexed	1 month, 3 weeks ago (July 4, 2025, 9:41 a.m.)
Issued	28 years ago (Aug. 1, 1997)
Published	28 years ago (Aug. 1, 1997)
Published Print	28 years ago (Aug. 1, 1997)

Funders 0

None

BibTeX

@article{Paterson_1997, title={Wetting of heterogeneous surfaces: Influence of defect interactions}, volume={9}, ISSN={1089-7666}, url={http://dx.doi.org/10.1063/1.869343}, DOI={10.1063/1.869343}, number={8}, journal={Physics of Fluids}, publisher={AIP Publishing}, author={Paterson, A. and Fermigier, M.}, year={1997}, month=aug, pages={2210–2216} }

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