Deformation and breakup of bubbles and drops in turbulence

R Ni - Annual Review of Fluid Mechanics, 2024 - annualreviews.org
Fragmentation of bubbles and droplets in turbulence produces a dispersed phase spanning
a broad range of scales, encompassing everything from droplets in nanoemulsions to …

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 …

Computational fluid dynamics investigation of bitumen residues in oil sands tailings transport in an industrial horizontal pipe

SG Sontti, M Sadeghi, K Zhou, E Zheng, X Zhang - Physics of Fluids, 2023 - pubs.aip.org
Pipeline transport is commonly used in the oil sand industry to convey crushed oil sand ores
and tailings. Bitumen residues in the oil sand tailings can be a threat to the environment that …

A mechanistic approach for predicting mass transfer in bioreactors

JA Thomas, X Liu, B DeVincentis, H Hua, G Yao… - Chemical Engineering …, 2021 - Elsevier
The biomanufacturing processes that produce biologic drugs has become an extremely
important area of study within the pharmaceutical industry. Within such processes, the drug …

[HTML][HTML] A criterion for when an emulsion drop undergoing turbulent deformation has reached a critically deformed state

A Håkansson, M Crialesi-Esposito, L Nilsson… - Colloids and Surfaces A …, 2022 - Elsevier
Turbulent breakup in emulsification devices is a dynamic process. Small viscous drops
undergo a sequence of oscillations before entering the monotonic deformation phase …

Experimental and numerical investigation on the bubble breakup and coalescence characteristics in the highly efficient static mixers

Y Yu, J Zhang, Y Li, K Xiang, H Meng - Chemical Engineering Science, 2024 - Elsevier
CFD-PBM and experiment methods were applied to study the bubble dispersion
characteristics in the static mixers with three twisted blades (TKSM). The gas-liquid velocity …

Generality of the CFD-PBM coupled model for bubble column simulation

H Zhang, A Sayyar, Y Wang, T Wang - Chemical Engineering Science, 2020 - Elsevier
Computational fluid dynamics coupled with a population balance model (CFD-PBM)
combines the use of CFD to calculate the flow field and phase holdup and that of PBM to …

Effects of solid particles on bubble breakup and coalescence in slurry bubble columns

M Mokhtari, J Shabanian, J Chaouki - Chemical Engineering Science, 2022 - Elsevier
Bubble size distribution (BSD) is a crucial parameter in the design and scale-up of slurry
bubble columns (SBCs) as it affects the hydrodynamics, heat and mass transfers, and …

[HTML][HTML] Modeling mass transfer in stirred microbioreactors

HY Farsani, J Wutz, B DeVincentis, JA Thomas… - Chemical Engineering …, 2022 - Elsevier
A mechanistic in-silico approach for predicting mixing and mass transfer in a two-phase
stirred tank bioreactor is presented. This fully transient approach, which is tailored to run on …

[HTML][HTML] Single drop breakage in turbulent flow: Statistical data analysis

EH Herø, N La Forgia, J Solsvik… - … Engineering Science: X, 2020 - Elsevier
To improve breakage models in the population balance framework, single octanol droplet
experiments have been performed in a channel flow and recorded by high-speed camera …