A Review of Drag Coefficient Models in Gas‐Liquid Two‐Phase Flow

Y Chen, L Wang, H Chang, Q Zhang - ChemBioEng Reviews, 2023 - Wiley Online Library
Although great efforts have been made in modeling the drag force in gas‐liquid two‐phase
flow, the research about that in both theory and method is at the stage of development due to …

Single bubble rising dynamics for moderate Reynolds number using Lattice Boltzmann Method

L Amaya-Bower, T Lee - Computers & Fluids, 2010 - Elsevier
Dynamics of a single rising gas bubble is studied using a Lattice Boltzmann Method (LBM)
based on the Cahn–Hilliard diffuse interface approach. The bubble rises due to gravitational …

On the drag force of bubbles in bubble swarms at intermediate and high Reynolds numbers

I Roghair, YM Lau, NG Deen, HM Slagter… - Chemical engineering …, 2011 - Elsevier
An accurate and fast simulation of large-scale gas/liquid contact apparatusses, such as
bubble columns, is essential for the optimization and further development of many (bio) …

Level-set simulations of buoyancy-driven motion of single and multiple bubbles

N Balcázar, O Lehmkuhl, L Jofre, A Oliva - … Journal of Heat and Fluid Flow, 2015 - Elsevier
This paper presents a numerical study of buoyancy-driven motion of single and multiple
bubbles by means of the conservative level-set method. First, an extensive study of the …

Drag force and clustering in bubble swarms

I Roghair, M Van Sint Annaland… - AIChE Journal, 2013 - Wiley Online Library
In this article, results of detailed numerical simulations are reported meant to provide a
closure relation for the drag force acting on bubbles rising in a dense swarm. The formation …

Rising bubbles in yield stress materials

WF Lopez, MF Naccache, PR de Souza Mendes - Journal of Rheology, 2018 - pubs.aip.org
We present an experimental investigation of bubbles rising in elasto-viscoplastic media. The
effects of medium rheology and bubble size on the bubble velocity and shape are …

Validated simulation of droplet sedimentation with finite-element and level-set methods

E Bertakis, S Groß, J Grande, O Fortmeier… - Chemical Engineering …, 2010 - Elsevier
In the present paper freely sedimenting n-butanol droplets in water are simulated by means
of computational fluid dynamics. The finite-element and the extended finite-element methods …

Validation of X-ray radiography for characterization of gas bubbles in liquid metals

O Keplinger, N Shevchenko… - IOP Conference Series …, 2017 - iopscience.iop.org
X-ray radiography has proved to be an efficient and powerful tool for the visualization of two-
phase flows in non-transparent fluids, in particular in liquid metals. This paper presents a …

Numerical simulation of single bubble motion along inclined walls: A comprehensive map of outcomes

S Khodadadi, N Samkhaniani, MH Taleghani… - Ocean …, 2022 - Elsevier
The bubble interactions with a wall affect many industrial application's performance. The
single bubble rising in a stagnant fluid is studied next to an inclined wall. The two phases …

Empirical drag closure for polydisperse gas–liquid systems in bubbly flow regime: Bubble swarm and micro-scale turbulence

A Buffo, M Vanni, P Renze, DL Marchisio - Chemical Engineering Research …, 2016 - Elsevier
Gas–liquid systems in the bubbly flow regime can be successfully simulated by considering
that gas bubbles are polydisperse, namely a population of bubbles characterized by …