CFD simulation of stirred tanks: Comparison of turbulence models (Part II: Axial flow impellers, multiple impellers and multiphase dispersions)

JB Joshi, NK Nere, CV Rane, BN Murthy… - … Canadian Journal of …, 2011 - Wiley Online Library
In the first part of the review, published literature regarding the CFD modelling of single‐
phase turbulent flow in stirred tank reactors with radial flow impellers was critically analysed …

Assessment of standard k–ε, RSM and LES turbulence models in a baffled stirred vessel agitated by various impeller designs

BN Murthy, JB Joshi - Chemical engineering science, 2008 - Elsevier
In the present work, laser-doppler anemometry measurements as well as CFD simulations
have been performed for the flow generated by various impellers, namely disc turbine (DT) …

Computational fluid mixing

EM Marshall, A Bakker - Handbook of industrial mixing: science …, 2003 - Wiley Online Library
An overview of computational fluid dynamics (CFD) is given, with an emphasis on the
methods used to simulate mixing processes. Several techniques for modeling impellers are …

CFD modelling of liquid homogenization in stirred tanks with one and two impellers using large eddy simulation

M Jahoda, M Moštĕk, A Kukuková, V Machoň - … Engineering Research and …, 2007 - Elsevier
A prediction of liquid homogenization in stirred tanks using a CFD code FLUENT is
presented. The study was performed for tanks agitated by one and two impellers on a …

Investigation of power consumption, torque fluctuation, and local gas hold-up in coaxial mixers containing a shear-thinning fluid: Experimental and numerical …

A Rahimzadeh, F Ein-Mozaffari, A Lohi - Chemical Engineering and …, 2022 - Elsevier
The performance of a coaxial bioreactor in the intensification of gas dispersion in shear-
thinning fluids in terms of the power consumption of the central and anchor impellers, torque …

The effect of stator geometry on the flow pattern and energy dissipation rate in a rotor–stator mixer

A Utomo, M Baker, AW Pacek - Chemical engineering research and design, 2009 - Elsevier
The effect of stator geometry on the flow pattern and energy dissipation rate in a batch rotor–
stator mixer has been investigated using sliding mesh method with standard k–ɛ turbulence …

The details of turbulent mixing process and their simulation

HEA Van den Akker - Advances in Chemical Engineering, 2006 - Elsevier
This chapter is devoted to turbulent mixing processes carried out in-mainly-stirred vessels. It
reviews first a number of turbulent flow characteristics as far as relevant to a wide variety of …

Flow pattern, periodicity and energy dissipation in a batch rotor–stator mixer

AT Utomo, M Baker, AW Pacek - Chemical engineering research and …, 2008 - Elsevier
The flow pattern and the distribution of energy dissipation rate in a batch rotor–stator mixer
have been investigated. Sliding mesh and standard k–ɛ turbulence model were employed …

Study of trailing vortices and impeller jet instabilities of a flat blade impeller in small‐scale reactors

AD Charalambidou, M Micheletti, A Ducci - AIChE Journal, 2023 - Wiley Online Library
The design of economically feasible and profitable production processes has driven
companies toward integrated continuous manufacturing by reducing working volumes and …

Inter-compartment interaction in multi-impeller mixing: Part I. Experiments and multiple reference frame CFD

C Haringa, R Vandewijer, RF Mudde - Chemical Engineering Research …, 2018 - Elsevier
CFD simulations of mixing in single-phase multi-Rushton stirred tanks based on the RANS
methodology frequently show an over-prediction of the mixing time. This hints at an under …