CFD-validated pore network modeling of packed beds of non-spherical particle

Amirhossein Eghbalmanesh; Ali Fathiganjehlou; David R. Rieder; Martijn Hoogendoorn; Marijana Miloshevska; Maike W. Baltussen; E.A.J.F. Peters; Kay A. Buist; J.A.M. Kuipers

doi:10.1016/j.ces.2023.119396

CFD-validated pore network modeling of packed beds of non-spherical particle

Amirhossein Eghbalmanesh, Ali Fathiganjehlou, David R. Rieder, Martijn Hoogendoorn, Marijana Miloshevska, Maike W. Baltussen (Corresponding author), E.A.J.F. Peters, Kay A. Buist, J.A.M. Kuipers

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Abstract

In this work, the hydrodynamics inside packed beds of particles with different shapes are investigated: spherical, cylindrical, and cubical particles. The cylindrical and cubical geometries contain sharp ridges, which give rise to complicated pore geometries. In this study, Pore Network Modeling (PNM) validated with the Particle-Resolved Computational Fluid Dynamics (PR-CFD) simulations of packed beds with these non-spherical particles will be reported. The results show that the PNM predicts the same average flow behavior and pore pressure variations as PR-CFD. However, the PNM prediction of the pressure values is less accurate at the pore level compared to the PR-CFD for the cubical particles.

Original language	English
Article number	119396
Number of pages	11
Journal	Chemical Engineering Science
Volume	283
DOIs	https://doi.org/10.1016/j.ces.2023.119396
Publication status	Published - 5 Jan 2024

Funding

This work is a part of the research program TOP Grants Chemical Sciences with project number 716.018.001 , which is financed by the Dutch Research Council (NWO). We also thank SURF ( www.surf.nl ) for its support in using the Dutch National Supercomputer Snellius. This work is a part of the research program TOP Grants Chemical Sciences with project number 716.018.001, which is financed by the Dutch Research Council (NWO). We also thank SURF (www.surf.nl) for its support in using the Dutch National Supercomputer Snellius.

Funders	Funder number
SURF
Nederlandse Organisatie voor Wetenschappelijk Onderzoek

Keywords

Slender packed bed reactors
Pore network modeling
Particle-resolved computational fluid dynamics
Immersed boundary method
Hydrodynamics
Non-spherical particles

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10.1016/j.ces.2023.119396

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Cite this

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abstract = "In this work, the hydrodynamics inside packed beds of particles with different shapes are investigated: spherical, cylindrical, and cubical particles. The cylindrical and cubical geometries contain sharp ridges, which give rise to complicated pore geometries. In this study, Pore Network Modeling (PNM) validated with the Particle-Resolved Computational Fluid Dynamics (PR-CFD) simulations of packed beds with these non-spherical particles will be reported. The results show that the PNM predicts the same average flow behavior and pore pressure variations as PR-CFD. However, the PNM prediction of the pressure values is less accurate at the pore level compared to the PR-CFD for the cubical particles.",

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AU - Eghbalmanesh, Amirhossein

AU - Fathiganjehlou, Ali

AU - Rieder, David R.

AU - Hoogendoorn, Martijn

AU - Miloshevska, Marijana

AU - Baltussen, Maike W.

AU - Peters, E.A.J.F.

AU - Buist, Kay A.

AU - Kuipers, J.A.M.

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AB - In this work, the hydrodynamics inside packed beds of particles with different shapes are investigated: spherical, cylindrical, and cubical particles. The cylindrical and cubical geometries contain sharp ridges, which give rise to complicated pore geometries. In this study, Pore Network Modeling (PNM) validated with the Particle-Resolved Computational Fluid Dynamics (PR-CFD) simulations of packed beds with these non-spherical particles will be reported. The results show that the PNM predicts the same average flow behavior and pore pressure variations as PR-CFD. However, the PNM prediction of the pressure values is less accurate at the pore level compared to the PR-CFD for the cubical particles.

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KW - Pore network modeling

KW - Particle-resolved computational fluid dynamics

KW - Immersed boundary method

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CFD-validated pore network modeling of packed beds of non-spherical particle

Abstract

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Keywords

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