[HTML][HTML] On the dispersion dynamics of liquid–liquid surfactant-laden flows in a SMX static mixer

JP Valdes, L Kahouadji, F Liang, S Shin… - Chemical Engineering …, 2023 - Elsevier
This study aims to elucidate, for the first time, the intricate fundamental physics governing the
dispersion dynamics of a surfactant-laden two-phase liquid–liquid system in the well-known …

[HTML][HTML] Numerical simulation of surfactant-laden emulsion formation in an un-baffled stirred vessel

F Liang, L Kahouadji, JP Valdes, S Shin… - Chemical Engineering …, 2023 - Elsevier
The present study aims to elucidate the interplay among the interfacial dynamics, surfactant
transport, and underlying flow structures inside a cylindrical stirred vessel equipped with a …

A front-tracking method for simulating interfacial flows with particles and soluble surfactants

X Shang, Z Luo, B Bai, G Hu - Journal of Computational Physics, 2023 - Elsevier
In this research, a three-dimensional model is proposed to simulate the behavior of particle-
covered droplets that contain soluble surfactant. The model includes a full two-way coupling …

Effect of surfactants during drop formation in a microfluidic channel: a combined experimental and computational fluid dynamics approach

M Kalli, P Pico, L Chagot, L Kahouadji… - Journal of Fluid …, 2023 - cambridge.org
The effect of surfactants on the flow characteristics during rapid drop formation in a
microchannel is investigated using high-speed imaging, micro-particle image velocimetry …

Role of surfactant-induced Marangoni stresses in drop-interface coalescence

CR Constante-Amores, A Batchvarov… - Journal of Fluid …, 2021 - cambridge.org
We study the effect of surfactants on the dynamics of a drop-interface coalescence using full
three-dimensional direct numerical simulations. We employ a hybrid interface-tracking/level …

Direct numerical simulations of transient turbulent jets: vortex-interface interactions

CR Constante-Amores, L Kahouadji… - Journal of Fluid …, 2021 - cambridge.org
The breakup of an interface into a cascade of droplets and their subsequent coalescence is
a generic problem of central importance to a large number of industrial settings such as …

[HTML][HTML] Prediction of unsteady slug flow in a long curved inclined riser with a slug tracking model

JC Padrino, N Srinil, V Kurushina, D Swailes - International Journal of …, 2023 - Elsevier
An improved one-dimensional mechanistic model is presented for the prediction of unsteady
gas–liquid slug flows in inclined curved pipes, using the slug tracking approach. The …

Surfactant-laden bubble bursting: Dynamics of capillary waves and Worthington jet at large Bond number

P Pico, L Kahouadji, S Shin, J Chergui, D Juric… - Physical Review …, 2024 - APS
We present a numerical study of the main substages preceding aerosol formation via
bursting bubbles: capillary wave propagation along the bubble, convergence at the bubble's …

Impact of droplets onto surfactant-laden thin liquid films

CR Constante-Amores, L Kahouadji, S Shin… - Journal of Fluid …, 2023 - cambridge.org
We study the effect of insoluble surfactants on the impact of surfactant-free droplets onto
surfactant-laden thin liquid films via a fully three-dimensional direct numerical simulation …

Direct numerical simulations of turbulent jets: vortex–interface–surfactant interactions

CR Constante-Amores, T Abadie… - Journal of Fluid …, 2023 - cambridge.org
We study the effect of insoluble surfactants on the spatio-temporal evolution of turbulent jets.
We use three-dimensional numerical simulations and employ an interface-tracking/level-set …