Advances in fixed-bed reactor modeling using particle-resolved computational fluid dynamics (CFD)

N Jurtz, M Kraume, GD Wehinger - Reviews in Chemical Engineering, 2019 - degruyter.com
In 2006, Dixon et al. published the comprehensive review article entitled “Packed tubular
reactor modeling and catalyst design using computational fluid dynamics.” More than one …

Computational fluid dynamics for fixed bed reactor design

AG Dixon, B Partopour - Annual review of chemical and …, 2020 - annualreviews.org
Flow, heat, and mass transfer in fixed beds of catalyst particles are complex phenomena
and, when combined with catalytic reactions, are multiscale in both time and space; …

An integrated workflow for resolved-particle packed bed models with complex particle shapes

B Partopour, AG Dixon - Powder Technology, 2017 - Elsevier
A promising workflow for computational generation and meshing of resolved-particle
randomly packed beds of arbitrary-shaped particles is described. The workflow is based on …

Review on the structure of random packed‐beds

J von Seckendorff, O Hinrichsen - The Canadian Journal of …, 2021 - Wiley Online Library
Independent from their intended purpose, the understanding of structural characteristics of
random packings of particles having defined shapes is important to understand and optimize …

[HTML][HTML] Multiscale modeling of fixed-bed reactors with porous (open-cell foam) non-spherical particles: Hydrodynamics

S Das, NG Deen, JAM Kuipers - Chemical Engineering Journal, 2018 - Elsevier
An accurate numerical model is proposed to simulate flow through cylindrical fixed-bed
reactors with randomly packed porous non-spherical particles. The length scale for flow …

Size segregation of irregular granular materials captured by time-resolved 3D imaging

P Gajjar, CG Johnson, J Carr, K Chrispeels, J Gray… - Scientific Reports, 2021 - nature.com
When opening a box of mixed nuts, a common experience is to find the largest nuts at the
top. This well-known effect is the result of size-segregation where differently sized 'particles' …

Heat transfer characteristics of the innovative spray-type packed bed thermal energy storage: An experimental study

L Lin, L Wang, Y Bai, X Lin, S Zhang, Z Ge… - Journal of Energy …, 2023 - Elsevier
The shift to clean energy and the promotion of renewable energy sources are the dominant
trends in the sustainable development of global energy employment. Thermal energy …

Workflow for computational fluid dynamics modeling of fixed‐bed reactors packed with metal foam pellets: Hydrodynamics

GR George, M Bockelmann, L Schmalhorst… - AIChE …, 2023 - Wiley Online Library
In recent years, the catalyst pellets made of open‐cell metallic foams have been identified as
a promising alternative in fixed‐bed reactors. A reliable modeling tool is necessary to …

[HTML][HTML] Experimental and numerical study on the orientation distribution of cylindrical particles in random packed beds

P Niegodajew, AP Durajski, P Rajca… - Chemical Engineering …, 2022 - Elsevier
Cylindrical particles are widely employed in chemical engineering when a high surface area
is necessary for process intensification. However, reliable information about the orientation …

Experimental characterization of random packed spheres, cylinders and rings, and their influence on pressure drop

J von Seckendorff, N Szesni, R Fischer… - Chemical Engineering …, 2020 - Elsevier
The reliable prediction of the pressure drop of packed-beds requires an accurate
understanding of the packing characteristics. Therefore, packings of spheres, cylinders and …