Article (Scientific journals)
Analysis of the rheological behavior of suspensions by using the Immersed Boundary Method (IBM) coupled with the Discrete Element Method (DEM)
HASSANZADEH SARAEI, Sina; PETERS, Bernhard
2024In Powder Technology, 446, p. 120165
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Analysis of the rheological behavior of suspensions by using the Immersed Boundary Method (IBM) coupled with the Discrete Element Method (DEM) - 1-s2.0-S003259102400809X-main.pdf
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Keywords :
CFD–DEM; Computational fluid dynamics; Discrete element method; Immersed boundary method; Particle migration; Rheology; 3D simulations; 3d-modeling; CFD–discrete element method; Computational fluid; Discrete elements method; Fluid-dynamics; Immersed boundary methods; Rheological behaviour; Chemical Engineering (all)
Abstract :
[en] We implemented fully resolved CFD–DEM simulations to study the rheological behavior of suspensions. Although research in this field mainly uses 2D or 3D simulations to achieve this purpose, we proposed a semi-3D model. By semi-3D models, we mean that the simulation domain contains only one layer of particles in the 3D case. Comparing results with 3D simulations revealed that this approach could significantly decrease the simulation cost while maintaining reasonable accuracy. Furthermore, we selected the Krieger–Dougherty and the Phillips models to validate the viscosity and particle migration in our simulations. We considered different volume fractions of solid particles with two different particle sizes to ensure the accuracy of our model. After successful validation, we used the fully resolved field data of shear rate and vorticity to consider the physics of particular migration in more detail. Our results confirm that our developed model could work as a particle–fluid digital twin system.
Precision for document type :
Analysis of case law/Statutory reports
Disciplines :
Mechanical engineering
Author, co-author :
HASSANZADEH SARAEI, Sina  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
PETERS, Bernhard ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
External co-authors :
no
Language :
English
Title :
Analysis of the rheological behavior of suspensions by using the Immersed Boundary Method (IBM) coupled with the Discrete Element Method (DEM)
Publication date :
01 October 2024
Journal title :
Powder Technology
ISSN :
0032-5910
eISSN :
1873-328X
Publisher :
Elsevier B.V.
Volume :
446
Pages :
120165
Peer reviewed :
Peer Reviewed verified by ORBi
FnR Project :
INTER/DFG/20/14843353 - ConMic- Mac
Name of the research project :
ConMic- Mac
Funders :
FNR
Université du Luxembourg
Fonds National de la Recherche Luxembourg
Funding number :
INTER/DFG/20/14843353 - ConMic- Mac
Funding text :
This research was funded by the Luxembourg National Research Fund (FNR), grant reference (INTER/DFG/20/14843353 - ConMicMac). For the purpose of open access, and in fulfillment of the obligations arising from the grant agreement, the author has applied a Creative Commons Attribution 4.0 International (CC BY 4.0) license to any Author Accepted Manuscript version arising from this submission. As a member of the XDEM group, we used the XDEM code as a DEM solver under the supervision of Professor Peters. We would like to acknowledge all previous colleagues who contributed to the XDEM code, its coupling interface, and immersed boundary method. The experiments presented in this paper were carried out using the HPC facilities of the University of Luxembourg \u2014 see https://hpc.uni.lu.
Commentary :
Since it is not an open-access article, we could not share it internally inside the university. I put the link to the article, which could be downloaded. https://www.sciencedirect.com/science/article/pii/S003259102400809X
Available on ORBilu :
since 20 December 2024

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