Directional interfacial motion of liquids: Fundamentals, evaluations, and manipulation strategies

Q Dai, W Huang, X Wang, MM Khonsari - Tribology International, 2021 - Elsevier
The Marangoni effect—often invoked to describe the so-called “tears of wine”—is in essence
the mass transfer along an interface between two fluids due to a gradient of the surface …

Thermocapillary migration of a self-rewetting droplet on an inclined surface: A phase-field simulation

H Yan, L Wang, J Huang, Y Yu - Applied Thermal Engineering, 2024 - Elsevier
In this paper, we investigated the thermocapillary migration of a self-rewetting droplet on an
inclined surface using a phase field based lattice Boltzmann method. Unlike the normal fluid …

Scaling analysis for azimuthal spreading and contact time of droplet impacting on superhydrophobic cylindrical surfaces

PT Naveen, AR Harikrishnan - Applied Physics Letters, 2023 - pubs.aip.org
Drop impact on superhydrophobic surfaces has gained great attention because of its
physics and application in water repellency, drag reduction, and anti-icing. Spreading …

Electrohydrodynamic interaction between droplet pairs in a confined shear flow

S Santra, D Sen, S Das, S Chakraborty - Physics of Fluids, 2019 - pubs.aip.org
This study deals with electrohydrodynamic interactions between two deformable droplets in
a confined shear flow. We have investigated the effect of the channel confinement and the …

Wetting characteristics of underwater micro-patterned surfaces

S Mitra, NSK Gunda, SK Mitra - RSC advances, 2017 - pubs.rsc.org
Wetting phenomena of underwater systems are important for marine and other aquatic
environment applications. Here, we study the underwater wetting characteristics of textured …

Rheology dictated spreading regimes of a non-isothermal sessile drop

VT Mantripragada, A Poddar - Journal of Fluid Mechanics, 2022 - cambridge.org
In the present work, within the framework of thin film theory, we delineate the interaction
between the interfacial dynamics of thermal Marangoni flow and non-Newtonian rheology by …

Ringlike migration of a droplet propelled by an omnidirectional thermal gradient

Q Dai, W Huang, X Wang, MM Khonsari - Langmuir, 2018 - ACS Publications
The interfacial phenomenon associated with the ringlike motion of a liquid droplet subjected
to an omnidirectional thermal gradient is investigated. An experimentally verified model is …

Motion of self-rewetting drop on a substrate with a constant temperature gradient

ZL Xu, JY Chen, HR Liu, KC Sahu… - Journal of Fluid …, 2021 - cambridge.org
We investigate the dynamics of a self-rewetting drop placed on a substrate with a constant
temperature gradient via three-dimensional numerical simulations using a conservative …

Spreading of a nanodroplet over isothermally heated smooth and nanostructured surfaces: A molecular dynamics study

BX Zhang, SL Wang, YB Wang, SR Gao… - International Journal of …, 2021 - Elsevier
Owing to scale effects, spreading of nanodroplets over heated textured surfaces displays
distinct features from that of millimetric-sized droplets. In this work, spreading behaviors of a …

Marangoni-enhanced capillary wetting in surfactant-driven superspreading

HH Wei - Journal of Fluid Mechanics, 2018 - cambridge.org
Superspreading is a phenomenon such that a drop of a certain class of surfactant on a
substrate can spread with a radius that grows linearly with time much faster than the usual …