Large-eddy-simulation tools for multiphase flows

RO Fox - Annual Review of Fluid Mechanics, 2012 - annualreviews.org
Multiphase flows occurring in nature and in technological applications are often turbulent.
The large range of length scales and timescales in turbulent multiphase flows makes direct …

An overview of numerical simulations on gas‐solid cyclone separators with tangential inlet

E Dehdarinejad, M Bayareh - ChemBioEng Reviews, 2021 - Wiley Online Library
Cyclone separators play a dominating role in fluid catalytic cracking, biomass pyrolysis,
dedusting, demisting, heavy oil regrading, etc. Separation mechanism, pressure drop …

Assessment of particle-tracking models for dispersed particle-laden flows implemented in OpenFOAM and ANSYS FLUENT

F Greifzu, C Kratzsch, T Forgber, F Lindner… - Engineering …, 2016 - Taylor & Francis
In the present study two benchmark problems for turbulent dispersed particle-laden flow are
investigated with computational fluid dynamics (CFD). How the CFD programs OpenFOAM …

Numerical simulation of airflow and particle collection by vegetative barriers

L Guo, RG Maghirang - Engineering Applications of Computational …, 2012 - Taylor & Francis
Vegetative barriers have the potential to mitigate particulate matter (PM) from open dust
sources, including unpaved and paved roads, exposed storage piles, and agricultural …

[HTML][HTML] On the combined effects of turbulence and gravity on droplet collisions in clouds: a numerical study

EJP Woittiez, HJJ Jonker… - Journal of the atmospheric …, 2009 - journals.ametsoc.org
This paper examines the combined influences of turbulence and gravity on droplet collision
statistics in turbulent clouds by means of direct numerical simulation (DNS). The essential …

Numerical investigation of gas mixing in gas‐solid fluidized beds

T Li, Y Zhang, JR Grace, X Bi - AIChE Journal, 2010 - Wiley Online Library
Gas mixing in a tall narrow fluidized bed operated in the slugging fluidization regime is
simulated with the aid of computational fluid dynamics. In the first part, a parametric study is …

Dynamics of suspended sediment transport: A Direct Numerical Simulation study

HH Shin, LM Portela, CE Schaerer… - International Journal of …, 2022 - Elsevier
The dynamics of suspended sediment transport in horizontal open channel flow is analysed
using point-particle one-way coupling Direct Numerical Simulations (DNS), with a virtual …

Toward a truly multiscale computational strategy for simulating turbulent two-phase flow processes

HEA Van den Akker - Industrial & engineering chemistry research, 2010 - ACS Publications
In chemical reactor engineering, simple concepts are used for describing the flow in a
reactor. Turbulent two-phase flow processes, however, are characterized by a broad range …

Numerical simulation of single and multiple gas jets in bubbling fluidized beds

T Li, K Pougatch, M Salcudean, D Grecov - Chemical Engineering Science, 2009 - Elsevier
The behavior of single and multiple horizontal gas jet injections into a rectangular bubbling
fluidized bed are studied with three-dimensional numerical simulations. The jet penetrations …

Investigation of the complex gas-solids flow characteristics in a fluidized bed with a Wurster tube by process tomography and CFD simulation

H Zhou, QY Tu, HG Wang - Powder Technology, 2019 - Elsevier
A Wurster fluidized bed, widely used in the coating process of the pharmaceutical industry, is
modeled to investigate the characteristics of gas-solids flow, concerning the effect of Wurster …