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 …

Electrohydrodynamics of droplets and jets in multiphase microsystems

C Qi, Y Li, Z Liu, T Kong - Soft Matter, 2020 - pubs.rsc.org
Electrohydrodynamics is among the most promising techniques for manipulating liquids in
microsystems. The electric stress actuates, generates, and coalesces droplets of small sizes; …

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 …

Electrocoalescence of unequal-sized aqueous droplet pair in non-conductive medium

S Cho, J Lee - Microfluidics and Nanofluidics, 2024 - Springer
Electrocoalescence is a valuable phenomenon for merging droplets and is widely used in
various applications such as the demulsification of crude oil, chemical or biological reaction …

From shaping to functionalization of micro-droplets and particles

R Song, S Cho, S Shin, H Kim, J Lee - Nanoscale Advances, 2021 - pubs.rsc.org
The structure of microdroplet and microparticle is a critical factor in their functionality, which
determines the distribution and sequence of physicochemical reactions. Therefore, the …

Dispensing uniform droplets of phosphate buffer saline using electrohydrodynamic jetting

K Baghel, Z Zahra, S Cho, J Lee - Physics of Fluids, 2023 - pubs.aip.org
Generating a stable cone jet regime in electrohydrodynamic (EHD) jetting for water or water-
based solutions is difficult due to the high surface tension of the liquid. To overcome this …

Nanoparticle-laden droplet-liquid film electrocoalescence behaviors: A molecular dynamics simulation

Y Wu, B Li, M Ju, W Xiang, Z Sun, H Wang, K Yu… - Journal of Molecular …, 2024 - Elsevier
Electrocoalescence is an efficient and environmentally friendly process for separating water-
in-oil (W/O) emulsions. In this paper, molecular dynamics (MD) simulation method was used …

Mode and mechanism of water droplet breakup in oil under high-voltage and high-frequency pulsed electric fields

Z Sun, N Li, W Li, S Weng, T Liu, Z Wang - Journal of Molecular Liquids, 2023 - Elsevier
In industrial processes, the application of pulsed electric fields for electrostatic
demulsification may cause droplet breakup, reducing demulsification efficiency. In this …

Gas dynamic virtual nozzle induced flow of viscoelastic fluids

K Baghel, Z Zahra, J Lee - Physics of Fluids, 2024 - pubs.aip.org
We fabricated a gas dynamic virtual nozzle using a three-dimensional (3D) printer to
produce a jet of viscoelastic fluid. Aqueous alginate with concentrations of 0.5%, 1%, and …

Particle-covered droplet and a particle shell under compressive electric stress

K Khobaib, T Hornowski, Z Rozynek - Physical Review E, 2021 - APS
Understanding of the behavior of an individual droplet suspended in a liquid and subjected
to a stress is important for studying and designing more complex systems, such as …