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 …

Effect of electric field strength on deformation and breakup behaviors of droplet in oil phase: A molecular dynamics study

N Li, Z Sun, W Liu, L Wei, B Li, Z Qi, Z Wang - Journal of Molecular Liquids, 2021‏ - Elsevier
Electrostatic demulsification process is frequently accompanied by the occurrence of droplet
breakup, which will cause a fall in the efficiency of droplet electro-coalescence. To uncover …

Deformation and breakup mechanism of water droplet in acidic crude oil emulsion under uniform electric field: A molecular dynamics study

N Li, Z Sun, J Sun, W Liu, L Wei, T Li, B Li… - Colloids and Surfaces A …, 2022‏ - Elsevier
If the critical field strength (E c) is exceeded, the droplets in water-in-oil (W/O) emulsions
would undergo severe electrodispersion during the electric dehydration. Naphthenic acid …

Effects of surfactants on droplet deformation and breakup in water-in-oil emulsions under DC electric field: A molecular dynamics study

N Li, Y Pang, Z Sun, W Li, Y Sun, X Sun, Y Liu, B Li… - Fuel, 2024‏ - Elsevier
The presence of surfactants in water-in-oil (W/O) emulsions can increase the susceptibility of
water droplets to breakup under an electric field, resulting in intensified emulsification. To …

Effect of viscosity ratio on the dynamic response of droplet deformation under a steady electric field

Z Jiang, Y Gan, Y Luo - Physics of Fluids, 2020‏ - pubs.aip.org
The effect of the fluid viscosity ratio on the transient deformation of a droplet is investigated.
A numerical model is developed by employing the phase field method to capture the …

Dielectrophoretic separation of a water-in-oil emulsion

A Shmyrov, E Mosheva, A Mizev - Experimental Thermal and Fluid Science, 2025‏ - Elsevier
Electric field-assisted separation is considered one of the most effective ways of dehydrating
water-in-oil emulsions. In the uniform electric field usually used in electrodehydrators …

Electrically driven coalescence of charged conical droplet in non-uniform electric field

D Wang, J Wang, D Wang, Q Bi - Chemical Engineering Science, 2024‏ - Elsevier
The dynamic behaviors of charged droplet coalescence in electric field has drawn much
attention over the past decades due to its complex underlying physics and potential …

Electrocoalescence criterion of conducting droplets suspended in a viscous fluid

X Luo, H Yin, J Ren, H Yan, Y Lü… - The Journal of Physical …, 2019‏ - ACS Publications
Coalescence of conducting droplets dispersed in an immiscible medium can be facilitated
by an electric field. However, droplets recoil promptly after contact in sufficiently high electric …

A simplified lattice Boltzmann model for two-phase electro-hydrodynamics flows and its application to simulations of droplet deformation in electric field

QZ Li, ZL Lu, Z Chen, C Shu, YY Liu, TQ Guo - Applied Mathematical …, 2023‏ - Elsevier
This paper proposes a numerical scheme within the lattice Boltzmann framework for
effective simulations of two-phase electro-hydrodynamic (EHD) flows, in which the simplified …

Contactless method for electrocoalescence of water in oil

M Shahbaznezhad, A Dehghanghadikolaei… - ACS …, 2021‏ - ACS Publications
This paper discusses an experimental approach to study the effects of a contactless method
on electrocoalescence of water-in-oil mixture/emulsion. A positive corona discharge is …