Electro-hydrodynamics of emulsion droplets: physical insights to applications

MS Abbasi, R Song, S Cho, J Lee - Micromachines, 2020 - mdpi.com
The field of droplet electrohydrodynamics (EHD) emerged with a seminal work of GI Taylor
in 1966, who presented the so-called leaky dielectric model (LDM) to predict the droplet …

Electrically modulated cross-stream migration of a compound drop in micro-confined oscillatory flow

T Kahali, S Santra, S Chakraborty - Physics of Fluids, 2022 - pubs.aip.org
In this work, we present a means of controlling the cross-stream trajectory of a compound
drop under the combined action of a transverse electric field and an oscillatory axial …

Interfacial behavior of particle-laden bubbles under asymmetric shear flow

M Eftekhari, K Schwarzenberger, S Heitkam, A Javadi… - Langmuir, 2021 - ACS Publications
The behavior of moving bubbles has mostly been studied in an axisymmetric flow field. To
extend the knowledge to practical conditions, we investigate the interfacial and …

Electric field-induced pinch-off of a compound droplet in Poiseuille flow

S Santra, S Das, S Chakraborty - Physics of Fluids, 2019 - pubs.aip.org
We address the pinch-off dynamics of a compound droplet that is suspended in a carrier
fluid in a parallel plate microchannel. The droplet is subjected to a transverse electric field in …

Dynamics of deformation and pinch-off of a migrating compound droplet in a tube

MP Borthakur, G Biswas, D Bandyopadhyay - Physical Review E, 2018 - APS
A computational fluid dynamic investigation has been carried out to study the dynamics of a
moving compound droplet inside a tube. The motions associated with such a droplet is …

The effect of uniform electric field on the cross-stream migration of a drop in plane Poiseuille flow

S Mandal, A Bandopadhyay… - Journal of Fluid …, 2016 - cambridge.org
The effect of a uniform electric field on the motion of a drop in an unbounded plane
Poiseuille flow is studied analytically. The drop and suspending media are considered to be …

Dynamics of a deformable compound droplet under pulsatile flow

S Lanjewar, S Ramji - Physics of Fluids, 2024 - pubs.aip.org
The motion of a deformable compound droplet flowing within a confined channel in
response to a pulsatile flow is numerically investigated. Toward this, an in-house solver …

Controlled Generation of Ultrathin‐Shell Double Emulsions and Studies on Their Stability

CX Zhao, D Chen, Y Hui, DA Weitz… - …, 2017 - Wiley Online Library
Double emulsions with a hierarchical core–shell structure have great potential in various
applications, but their broad use is limited by their instability. To improve stability, water‐in …

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 …

Influence of pressure-dependent surface viscosity on dynamics of surfactant-laden drops in shear flow

ZY Luo, XL Shang, BF Bai - Journal of Fluid Mechanics, 2019 - cambridge.org
We study numerically the dynamics of an insoluble surfactant-laden droplet in a simple
shear flow taking surface viscosity into account. The rheology of drop surface is modelled via …