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 …

Modeling the deformation of a surfactant-covered droplet under the combined influence of electric field and shear flow

J Zhang, H Liu, X Zhang - Physics of Fluids, 2021 - pubs.aip.org
A surfactant-covered droplet subject to both electric field and shear flow is studied using a
lattice Boltzmann and finite difference hybrid method, which breaks the limitation of …

A spectral boundary integral method for simulating electrohydrodynamic flows in viscous drops

M Firouznia, SH Bryngelson, D Saintillan - Journal of Computational …, 2023 - Elsevier
A weakly conducting liquid droplet immersed in another leaky dielectric liquid can exhibit
rich dynamical behaviors under the effect of an applied electric field. Depending on material …

Effects of surfactant transport on electrodeformation of a viscous drop

H Nganguia, OS Pak, YN Young - Physical Review E, 2019 - APS
In this work we quantify the effects of surfactant transport on the deformation of a viscous
drop under a DC electric field. We study how convective and diffusive transport of surfactants …

Scalable simulation of realistic volume fraction red blood cell flows through vascular networks

L Lu, MJ Morse, A Rahimian, G Stadler… - Proceedings of the …, 2019 - dl.acm.org
High-resolution blood flow simulations have potential for developing better understanding
biophysical phenomena at the microscale, such as vasodilation, vasoconstriction and …

Tandem droplet locomotion in a uniform electric field

C Sorgentone, PM Vlahovska - Journal of Fluid Mechanics, 2022 - cambridge.org
An isolated charge-neutral droplet in a uniform electric field experiences no net force.
However, a droplet pair can move in response to field-induced dipolar and hydrodynamic …

Influence of surface viscosities on the electrodeformation of a prolate viscous drop

H Nganguia, D Das, OS Pak, YN Young - Soft Matter, 2023 - pubs.rsc.org
Contaminants and other agents are often present at the interface between two fluids, giving
rise to rheological properties such as surface shear and dilatational viscosities. The …

Pairwise interactions of surfactant-covered drops in a uniform electric field

C Sorgentone, PM Vlahovska - Physical Review Fluids, 2021 - APS
We study the effect of surfactant on the pairwise interactions of drops in an applied uniform
dc electric field using a combination of numerical simulations based on a boundary integral …

Front tracking simulation of droplet displacement on solid surfaces by soluble surfactant-driven flows

X Shang, Z Luo, B Bai, L He, G Hu - Physical Review Fluids, 2024 - APS
We provide comprehensive numerical insights into the displacement of droplets subject to
soluble surfactant-driven flows. The effects of soluble surfactants on the dynamics of moving …

Electrically modulated relaxation dynamics of pre-stretched droplets post switched-off uniaxial extensional flow

N Behera, S Chakraborty - Soft Matter, 2022 - pubs.rsc.org
Droplets are known to elongate in extensional flow and exhibit capillary instabilities
following flow cessation. Under several practical scenarios, where the deformed drops are …