High‐performance unidirectional manipulation of microdroplets by horizontal vibration on femtosecond laser‐induced slant microwall arrays

D Wu, Z Zhang, Y Zhang, Y Jiao, S Jiang… - Advanced …, 2020 - Wiley Online Library
The high‐performance unidirectional manipulation of microdroplets is crucial for many vital
applications including water collection and bioanalysis. Among several actuation methods …

Progress in modeling wetting phenomena on structured substrates

NT Chamakos, DG Sema… - Archives of Computational …, 2021 - Springer
Research on wetting phenomena aims to initially understand the underlying physics and
then to fabricate smart, functional surfaces with desirable wetting properties. Special …

Initial spreading dynamics of a liquid droplet: The effects of wettability, liquid properties, and substrate topography

J Du, NT Chamakos, AG Papathanasiou, Q Min - Physics of Fluids, 2021 - pubs.aip.org
The initial spreading of glycerol and silicon oil droplets on smooth, corrugated, and
orthogonal surfaces is numerically investigated by an effective, sharp-interface modeling …

Asymmetric droplet evaporation on inclined surfaces

J Cai, F Chen, NT Chamakos… - Progress in Nuclear …, 2023 - Elsevier
A computational model based on disjoining pressure is developed to study the asymmetric
evaporation of droplets on an inclined substrate. In the proposed formulation, the disjoining …

Self-cleaning of a hydrophobic surface by a rolling water droplet

G Hassan, BS Yilbas, A Al-Sharafi, H Al-Qahtani - Scientific reports, 2019 - nature.com
A water droplet behavior on a hydrophobic surface is examined relevant to the dust particles
removal from the surface. Surface crystallization of polycarbonate is realized in acetone bath …

Numerical investigations of the spreading and retraction dynamics of viscous droplets impact on solid surfaces

J Du, Y Zhang, Q Min - Colloids and Surfaces A: Physicochemical and …, 2021 - Elsevier
This study uses an efficient, continuum-level modeling method to investigate the spreading
and retraction dynamics of viscous droplets impact on flat solid surfaces. The main …

Drop transport and positioning on lubricant-impregnated surfaces

JH Guan, É Ruiz-Gutiérrez, BB Xu, D Wood, G McHale… - Soft Matter, 2017 - pubs.rsc.org
We demonstrate the transport and positioning of water droplets on macro-patterned lubricant-
impregnated surfaces. The macro-patterning produces menisci features in the impregnating …

Hydrodynamic and physicochemical phenomena in liquid droplets under the action of nanosecond spark discharges: A review

AE Dubinov, JP Kozhayeva, VA Lyubimtseva… - Advances in Colloid and …, 2019 - Elsevier
This review presents experimental studies of phenomena occurring in droplets of various
liquids under the effect of nanosecond spark discharges. Inorganic liquids and liquids of …

Surface-energy ratchet motor with geometrical symmetry driven by biased random walk

M Hatatani, D Yamamoto, A Shioi - Scientific Reports, 2024 - nature.com
A geometrically symmetric gear with asymmetric surface wettability exhibits one-way spin on
a vibrating water bed. On the side face of the gear, a parafilm was coated to create …

Converting vertical vibration of anisotropic ratchet conveyors into horizontal droplet motion

Y Dong, HR Holmes, KF Böhringer - Langmuir, 2017 - ACS Publications
An anisotropic ratchet conveyor is an asymmetric, periodic, micropatterned surface that
propels droplets when vibrated with a sinusoidal signal at certain frequencies and …