A literature review on mechanisms and models for the coalescence process of fluid particles

Y Liao, D Lucas - Chemical Engineering Science, 2010 - Elsevier
This paper presents a literature review on the mechanisms and models of coalescence of
fluid particles. For the mechanisms, five categories are summarized, namely, turbulence …

Oxygen mass transfer in biopharmaceutical processes: numerical and experimental approaches

S Seidel, RW Maschke, S Werner… - Chemie Ingenieur …, 2021 - Wiley Online Library
Oxygen supply in aerobic bioprocesses is of crucial importance. For this reason, this paper
presents the oxygen demand of different cells and summarizes experimental and numerical …

CFD modeling of gas dispersion and bubble size in a double turbine stirred tank

F Kerdouss, A Bannari, P Proulx - Chemical Engineering Science, 2006 - Elsevier
In the present paper, gas dispersion in a double turbine baffled stirred tank is modeled using
a commercial computational fluid dynamics (CFD) code FLUENT 6.1 (Fluent Inc., USA). A …

Modelling of mass transfer in gas–liquid stirred tanks agitated by Rushton turbine and CD-6 impeller: A scale-up study

J Gimbun, CD Rielly, ZK Nagy - Chemical Engineering Research and …, 2009 - Elsevier
A combined computational fluid dynamics (CFD) and population balance model (PBM)
approach has been applied to the simulation of gas–liquid stirred tanks agitated by (i) a …

Modelling local bubble size distributions in agitated vessels

M Laakkonen, P Moilanen, V Alopaeus… - Chemical Engineering …, 2007 - Elsevier
Photography and capillary suction probe were used to measure local bubble size
distributions (BSDs) from Rushton turbine agitated (14/200L) air–tap water and CO2–n …

Two-phase mass transfer coefficient prediction in stirred vessel with a CFD model

F Kerdouss, A Bannari, P Proulx, R Bannari… - Computers & chemical …, 2008 - Elsevier
In the present paper, gas dispersion in a laboratory scale (5L) stirred bioreactor is modelled
using a commercial computational fluid dynamics (CFD) code FLUENT 6.2 (Fluent Inc …

Multi-objective Bayesian optimization of chemical reactor design using computational fluid dynamics

S Park, J Na, M Kim, JM Lee - Computers & Chemical Engineering, 2018 - Elsevier
This study presents a computational fluid dynamics (CFD) based optimal design tool for
chemical reactors, in which multi-objective Bayesian optimization (MBO) is utilized to reduce …

CFD simulation of gas-liquid flow in stirred tanks: Effect of drag models

X Guan, X Li, N Yang, M Liu - Chemical Engineering Journal, 2020 - Elsevier
Drag force plays important roles in the prediction of gas-liquid flow in stirred tanks, but
systematic studies on drag models are still lacking. In this study, we evaluated the effect of …

Scale-up of aerated bioreactors: CFD validation and application to the enzyme production by Trichoderma reesei

V Cappello, C Plais, C Vial, F Augier - Chemical Engineering Science, 2021 - Elsevier
Abstract The application of Computational Fluid Dynamics to aerobic fermentations faces
several issues, such as validation of multiphase models at high gas holdup and with …

Euler–Euler multiphase CFD-simulation with full Reynolds stress model and anisotropic bubble-induced turbulence

J Parekh, R Rzehak - International Journal of Multiphase Flow, 2018 - Elsevier
In the present work, Euler–Euler modeling of bubbly flows is combined with a full Reynolds
stress model for the turbulence in the liquid carrier phase. Reynolds stress models have only …