Experimental investigation of a nonspherical water droplet falling in air

M Agrawal, RK Katiyar, B Karri, KC Sahu - Physics of Fluids, 2020 - pubs.aip.org
We experimentally investigate the shape oscillations of an initially nonspherical water
droplet falling in air using high-speed imaging. We design a customized experimental setup …

Electrowetting of a leaky dielectric droplet under a time-periodic electric field

DS Pillai, KC Sahu, R Narayanan - Physical Review Fluids, 2021 - APS
The wetting and contact line dynamics of a leaky dielectric sessile droplet under an
alternating (ac) electrostatic field applied in the vertical direction is investigated. A thin …

Equivalence of sessile droplet dynamics under periodic and steady electric fields

MA Kainikkara, DS Pillai, KC Sahu - npj Microgravity, 2021 - nature.com
The electrohydrodynamics of a sessile droplet under the influence of periodic and steady
electric fields in microgravity conditions is theoretically investigated using an inertial …

Charge convection and interfacial deformation of a compound drop in plane Poiseuille flow under an electric field

MP Boruah, PR Randive, S Pati, KC Sahu - Physical Review Fluids, 2022 - APS
The electrohydrodynamics of a concentric compound drop migrating and deforming in a
plane Poiseuille flow under the influence of an arbitrarily orientated uniform electric field is …

Dynamics of a viscoelastic droplet migrating in a ratchet microchannel under AC electric field

AK Nema, MK Tripathi - Journal of Non-Newtonian Fluid Mechanics, 2024 - Elsevier
Droplet-based microfluidic devices can be powered or manipulated by applying an external
electric field, and the ability to precisely control the flow in such devices is essential for …

The deformation and breakup of a droplet under the combined influence of electric field and shear flow

Y Chen, Y Liang, M Chen - Fluid Dynamics Research, 2021 - iopscience.iop.org
A lattice Boltzmann and finite-difference hybrid method is used to simulate the droplet
deformation and breakup under the combined action of shear flow and electric field. The …

A microfluidic viscometer: Translation of oscillatory motion of a water microdroplet in oil under electric field

A Dixit, CK Parashar, S Dutta, J Mahanta… - …, 2021 - Wiley Online Library
The electric field induced motion of a charged water droplet suspended in a low‐dielectric
oil medium is exploited to evaluate the rheological properties of the suspending medium …

Lattice Boltzmann simulations of multiphase dielectric fluids

É Ruiz-Gutiérrez, AMJ Edwards, G McHale, MI Newton… - Langmuir, 2021 - ACS Publications
The dynamic effect of an electric field on dielectric liquids is called liquid dielectrophoresis. It
is widely used in several industrial and scientific applications, including inkjet printing …

[HTML][HTML] 交变电场频率对弱导电液滴变形及融合的影响

杨茜, 曾忠, 李家宇, 张良奇 - 重庆大学学报, 2022 - qks.cqu.edu.cn
基于相场方法和电荷守恒模型, 在OpenFOAM 框架下发展了考虑电荷输运的两相流数值方法,
系统研究了不同电物性参数条件下交变电场频率对弱导电的单个液滴变形和双液滴融合的影响 …

Dynamics of alternating current electric field–assisted non‐Newtonian droplet formation with geometry confinement

S Yin, Y Huang, H Li, TN Wong - Electrophoresis, 2022 - Wiley Online Library
Recently, microfluidic techniques have been widely applied for biomaterial droplet
manipulations due to their precision and efficiency. Many biosamples such as …