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Apparent contact angle and contact angle hysteresis on liquid infused surfaces. [PDF]

open access: yesSoft Matter, 2016
We theoretically investigate the apparent contact angle and contact angle hysteresis of a droplet placed on a liquid infused surface. We show that the apparent contact angle is not uniquely defined by material parameters, but also has a dependence on the
C. Semprebon, G. McHale, H. Kusumaatmaja
semanticscholar   +7 more sources

Uncertainties in contact angle goniometry.

open access: yesSoft Matter, 2019
The most widely used method to quantify the wetting properties of surfaces is by measuring contact angles. Even though contact angle goniometry is a powerful technique for characterizing wetting properties, it is not accurate for very hydrophobic ...
Maja Vuckovac   +4 more
semanticscholar   +6 more sources

Contact angle hysteresis

open access: yesCurrent Opinion in Colloid and Interface Science, 2022
Hans-Jürgen Butt   +2 more
exaly   +2 more sources

Water-Repellency and Anisotropic Wettability of Micro-Grooved Polymer Surfaces [PDF]

open access: yes한국정밀공학회지, 2020
Superhydrophobicity and anisotropic wettability can be simultaneously achieved by simple groove pattern on a surface. To verify those characteristics experimentally, we fabricated the micro-grooved surfaces with four different groove widths.
Daehee Kwon, Unyoung Ko, Sangmin Lee
doaj   +1 more source

The Contact Angle Hysteresis Puzzle

open access: yesColloids and Interfaces, 2022
This short review explains the essence of the theory of contact angle hysteresis. It emphasizes the controversial points and discusses the shortcomings of contact angle hysteresis measurements.
Abraham Marmur
doaj   +1 more source

Imaging iridotrabecular contact in angle closure

open access: yesIndian Journal of Ophthalmology, 2023
Background: With ultrasound biomicroscopy (UBM), radial scans are taken by using a typical ciliary process, to show the details of the iridocorneal angle, the anterior surface of the ciliary body, and its relation to the posterior iris.
Tarannum Mansoori
doaj   +1 more source

A numerical solution to the effects of surface roughness on water–coal contact angle

open access: yesScientific Reports, 2021
Coal dust is a great threat to coal mine workers' health and safety in coal mine production. Wet dust removal is one of the effective dust removal methods.
Chong Li   +3 more
semanticscholar   +1 more source

Contact angle measurement for hydrogen/brine/sandstone system using captive-bubble method relevant for underground hydrogen storage

open access: yesAdvances in Water Resources, 2021
Subsurface porous formations provide large capacities for underground hydrogen storage (UHS). Successful utilization of these porous reservoirs for UHS depends on accurate quantification of the hydrogen transport characteristics at continuum (macro ...
L. Hashemi   +3 more
semanticscholar   +1 more source

Contact angle measurement on porous substrates: Effect of liquid absorption and drop size

open access: yes, 2021
The contact angle Θ measured on rough, absorbing substrates is known to decrease with proceeding imbibition of the drop. We demonstrate that the impact of three absorption related parameters (absorption rate, drop size and residence time) on the measured
Sarah Krainer, U. Hirn
semanticscholar   +1 more source

Effect of contact angle hysteresis on measuring matric suction in unsaturated sandy soil

open access: yesGeomatics, Natural Hazards & Risk, 2023
The contact angle plays an important role in matric suction of unsaturated soils, but few studies consider the effect of contact angle hysteresis on matric suction. In this paper, taking sandy soil as an example, the influence of contact angle hysteresis
Chuan Zhang   +7 more
doaj   +1 more source

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