Mechanisms and modeling of bubble dynamic behaviors and mass transfer under gravity: A review

S Yan, X Wang, L Zhu, X Zhang, Z Luo - Chemical Engineering Science, 2023 - Elsevier
Bubbly flow is a prototypical two-phase flow problem. The dynamic behavior of bubbles
within a reactor is intrinsically linked to their transport, distribution, and mass transfer, all of …

Dynamics and maximum spreading of droplet impact on a stationary droplet on the surface

Y Li, X Wu, Y Lin, Z Hu - International Journal of Mechanical Sciences, 2024 - Elsevier
In numerous applications related to droplet impact, impacting droplets often interact with
solid surfaces with adhesive droplets rather than dry surfaces, but the former is significantly …

Bridge evolution during the coalescence of immiscible droplets

H Xu, T Wang, Z Che - Journal of Colloid and Interface Science, 2022 - Elsevier
Hypothesis Droplet coalescence is a common phenomenon and plays an important role in
many applications. When two liquid droplets are brought into contact, a liquid bridge forms …

Droplet coalescence by molecular dynamics and phase-field modeling

M Heinen, M Hoffmann, F Diewald, S Seckler… - Physics of …, 2022 - pubs.aip.org
Coalescence of argon droplets with a radius of 25, 50, and 100 nm is studied with
computational methods. Molecular dynamics (MD) simulations are carried out to generate …

Understanding of head-on coalescence of binary drops onto a cylindrical target

PC Sahoo, JR Senapati, BK Rana - Chemical Engineering Science, 2024 - Elsevier
In this paper, a numerical exercise in understanding the binary head-on collision of equal-
sized vertically aligned drops on the cylindrical substrate is reported. Subsequently, radial …

Coalescence dynamics of a droplet on a sessile droplet

M Kumar, R Bhardwaj, KC Sahu - Physics of Fluids, 2020 - pubs.aip.org
The coalescence dynamics of an ethanol droplet freely falling on a sessile ethanol droplet is
investigated experimentally using a high-speed imaging system. The regime maps showing …

Experimental study of secondary oil droplet formation during coalescence process of oil Droplet-Gas bubble

S Yan, X Yang, Z Bai - Chemical Engineering Science, 2024 - Elsevier
Flotation is an efficient pretreatment technology for oily water. In this study, the coalescence
processes of air bubbles and isooctane droplets with different size ratios, 1.0–2.2, were …

Mesoscopic characterization of bubble dynamics in subcooled flow boiling following a pseudopotential-based approach

A Mukherjee, DN Basu, PK Mondal - International Journal of Multiphase …, 2022 - Elsevier
The present study explores the capability of the pseudopotential-based thermal lattice
Boltzmann model in emulating the underlying thermohydrodynamics of subcooled flow …

Droplet coalescence kinetics: Thermodynamic non-equilibrium effects and entropy production mechanism

G Sun, Y Gan, A Xu, Q Shi - Physics of Fluids, 2024 - pubs.aip.org
The thermodynamic non-equilibrium (TNE) effects and the relationships between various
TNE effects and entropy production rate, morphology, kinematics, and dynamics during two …

Coalescence dynamics of a compound drop on a deep liquid pool

H Deka, G Biswas, KC Sahu, Y Kulkarni… - Journal of Fluid …, 2019 - cambridge.org
The partial coalescence dynamics of a compound drop in a liquid pool is numerically
investigated. We study the effect of the ratio of the inner to outer radii decreases the distance …