Contact angle measurements: From existing methods to an open-source tool

R Akbari, C Antonini - Advances in Colloid and Interface Science, 2021 - Elsevier
Contact angle measurement is an effective way to investigate solid surface properties. The
introduction of low-cost digital cameras, as well as software and libraries for image analysis …

Three-dimensional visualization reveals pore-scale mechanisms of colloid transport and retention in two-phase flow

T Wu, Z Yang, R Hu, YF Chen - Environmental Science & …, 2023 - ACS Publications
Colloids are ubiquitous in the natural environment, playing an important role in facilitating
the transport of absorbed contaminants. However, due to the complexities arising from two …

Direct numerical simulation of gas-solid-liquid flows with capillary effects: An application to liquid bridge forces between spherical particles

X Sun, M Sakai - Physical Review E, 2016 - APS
In this study, a numerical method is developed to perform the direct numerical simulation
(DNS) of gas-solid-liquid flows involving capillary effects. The volume-of-fluid method …

Insights from ion adsorption and contact-angle alteration at mineral surfaces for low-salinity waterflooding

F Mugele, I Siretanu, N Kumar, B Bera, L Wang… - SPE journal, 2016 - onepetro.org
Most solid surfaces acquire a finite surface charge after exposure to aqueous environments
caused by desorption and/or adsorption of ionic species. The resulting electrostatic forces …

Drop impact on two-tier monostable superrepellent surfaces

S Shi, C Lv, Q Zheng - ACS applied materials & interfaces, 2019 - ACS Publications
Superrepellency is a favorable nonwetting scenario featuring a dramatic reduction of the
solid/liquid contact area. The robustness of superhydrophobicity plays a central role in self …

On the shape of a droplet in a wedge: new insight from electrowetting

D Baratian, A Cavalli, D van den Ende, F Mugele - Soft matter, 2015 - pubs.rsc.org
The equilibrium morphology of liquid drops exposed to geometric constraints can be rather
complex. Even for simple geometries, analytical solutions are scarce. Here, we investigate …

Energy invariance in capillary systems

É Ruiz-Gutiérrez, JH Guan, B Xu, G McHale… - Physical Review Letters, 2017 - APS
We demonstrate the continuous translational invariance of the energy of a capillary surface
in contact with reconfigurable solid boundaries. We present a theoretical approach to find …

Electrowetting‐Controlled Dropwise Condensation with Patterned Electrodes: Physical Principles, Modeling, and Application Perspectives

H Hoek, R Dey, F Mugele - Advanced materials interfaces, 2021 - Wiley Online Library
Patterning the wettability of solid surfaces is a successful strategy to control the dropwise
condensation of vapor onto partially wetting solid surfaces. The condensation of water vapor …

Electrowetting on dielectrics on lubricating fluid-infused smooth/rough surfaces with negligible hysteresis

J Barman, R Pant, AK Nagarajan… - Journal of adhesion …, 2017 - Taylor & Francis
Low-voltage electrowetting on dielectrics on substrates with a thin layer of lubricating fluid to
reduce contact angle hysteresis is reported here. On smooth and homogeneous solid …

Influence of the properties of the plate surface on the oscillations of the cramped drop

MA Pyankova, AA Alabuzhev - Physics of Fluids, 2022 - pubs.aip.org
We consider free and forced oscillations of a clamped liquid drop. The drop is surrounded by
an incompressible fluid of a different density. In equilibrium, the drop has the form of a …