Magnetic resonance imaging of fluidized beds

CR Müller, DJ Holland, AJ Sederman, MD Mantle… - Powder Technology, 2008 - Elsevier
This paper reviews recent developments in Magnetic Resonance Imaging (MRI) which
enable it to follow particle motion in fluidized beds. Imaging with a spatial resolution of 400 …

Influence of particle shape on mixing rate in rotating drums based on super-quadric DEM simulations

S Ji, S Wang, Z Zhou - Advanced Powder Technology, 2020 - Elsevier
Fundamental research on the flow and mixing of non-spherical particles is critical for
industrial production and design. In this paper, the Discrete Element Method (DEM) is used …

Characterizing continuous powder mixing using residence time distribution

Y Gao, A Vanarase, F Muzzio, M Ierapetritou - Chemical Engineering …, 2011 - Elsevier
Continuous powder mixing is an efficient alternative in high volume manufacturing of
powder-based products. A new method is communicated in this paper to determine the …

Dynamics of non-spherical particles in a rotating drum

O Dubé, E Alizadeh, J Chaouki, F Bertrand - Chemical Engineering Science, 2013 - Elsevier
Considerable amount of experimental work has been performed to elucidate the behavior of
granular flow inside a rotating drum and it has yet to be clearly understood. However, a …

Comparison of DEM results and Lagrangian experimental data for the flow and mixing of granules in a rotating drum

E Alizadeh, F Bertrand, J Chaouki - AIChE Journal, 2014 - Wiley Online Library
This work assesses the accuracy of the discrete element method (DEM) for the simulation of
solids mixing using non‐intrusive Lagrangian radioactive particle tracking data, and …

Modelling of the flow of ellipsoidal particles in a horizontal rotating drum based on DEM simulation

H Ma, Y Zhao - Chemical Engineering Science, 2017 - Elsevier
The granular flow involving ellipsoidal particles in a horizontal rotating drum is investigated
by DEM, in which ellipsoidal particle is modeled by super-ellipsoids and periodic boundary …

Characterization of mixing and size segregation in a rotating drum by a particle tracking method

E Alizadeh, O Dubé, F Bertrand, J Chaouki - AIChE Journal, 2013 - Wiley Online Library
The mechanisms of segregation in solids mixing, even in simple rotating drums, are not
clearly understood. Although most past studies have focused on binary mixtures, this work …

[HTML][HTML] Investigating binary granular mixing in a rotating drum using ultrafast X-ray computed tomography

TN Papapetrou, M Bieberle, F Barthel, U Hampel… - Powder Technology, 2024 - Elsevier
The transient mixing dynamics of an initially segregated binary granular system in a half-
filled rotating drum are experimentally investigated. The granular system consists of …

Investigation of the effect of impeller rotation rate, powder flow rate, and cohesion on powder flow behavior in a continuous blender using PEPT

PM Portillo, AU Vanarase, A Ingram, JK Seville… - Chemical Engineering …, 2010 - Elsevier
In this paper, we examine the movement of particles within a continuous powder mixer using
PEPT (Positron Emission Particle Tracking). The benefit of the approach is that the particle …

Efficient DEM modeling of solid flavor particle mixing in a rotary drum

R van Sleeuwen, S Pantaleev, M Ebrahimi - Powder Technology, 2024 - Elsevier
Abstract An efficient Discrete Element Method (DEM) modeling methodology for mixing of
solid flavor particles in a rotating drum is presented. Machine learning and optimization …