Analysis of Particle-Resolved CFD Results for Dispersion in Packed Beds

P. Lovreglio; K.A. Buist; J.A.M. Kuipers; E.A.J.F. Peters

doi:10.3390/fluids7060199

Analysis of Particle-Resolved CFD Results for Dispersion in Packed Beds

P. Lovreglio, K.A. Buist, J.A.M. Kuipers, E.A.J.F. Peters (Corresponding author)

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Abstract

Dispersion is the spreading of a solute while it is moved by a flowing medium. The study of dispersion in catalytic chemical reactors is fundamental to their design, since dispersion influences the reactant and product transport within the bed. In this paper, longitudinal and transverse dispersion of an inert tracer in slender packed beds of spheres and spherocylinders is studied using Computational Fluid Dynamics simulations. The focus is on the analysis of dispersion from full field data. The purpose is to develop a methodology that can later also be used to characterize dispersion from full field experimental data such as MRI measurements. Results obtained by means of particle-resolved CFD simulations are discussed. Spatial distributions and residence times are analyzed and the results are interpreted by comparison to results obtained from 1D and 2D convection-diffusion equations

Original language	English
Article number	199
Number of pages	20
Journal	Fluids
Volume	7
Issue number	6
DOIs	https://doi.org/10.3390/fluids7060199
Publication status	Published - 9 Jun 2022

Funding

Funding: This research was funded and supported by the Netherlands Center for Multiscale Catalytic Energy Conversion (MCEC), an NWO Gravitation programme funded by the Ministry of Education, Culture and Science of the government of the Netherlands. This research was funded and supported by the Netherlands Center for Multiscale Catalytic Energy Conversion (MCEC), an NWO Gravitation programme funded by the Ministry of Education, Culture and Science of the government of the Netherlands. Numerical simulations were carried out on the Dutch national e-infrastructure with the support of SURF Cooperative.

Funders	Funder number
MCEC
Netherlands Center for Multiscale Catalytic Energy Conversion
SURF
Ministerie van Onderwijs, Cultuur en Wetenschap
Nederlandse Organisatie voor Wetenschappelijk Onderzoek

Keywords

dispersion
full field data
packed beds

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Cite this

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abstract = "Dispersion is the spreading of a solute while it is moved by a flowing medium. The study of dispersion in catalytic chemical reactors is fundamental to their design, since dispersion influences the reactant and product transport within the bed. In this paper, longitudinal and transverse dispersion of an inert tracer in slender packed beds of spheres and spherocylinders is studied using Computational Fluid Dynamics simulations. The focus is on the analysis of dispersion from full field data. The purpose is to develop a methodology that can later also be used to characterize dispersion from full field experimental data such as MRI measurements. Results obtained by means of particle-resolved CFD simulations are discussed. Spatial distributions and residence times are analyzed and the results are interpreted by comparison to results obtained from 1D and 2D convection-diffusion equations",

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AB - Dispersion is the spreading of a solute while it is moved by a flowing medium. The study of dispersion in catalytic chemical reactors is fundamental to their design, since dispersion influences the reactant and product transport within the bed. In this paper, longitudinal and transverse dispersion of an inert tracer in slender packed beds of spheres and spherocylinders is studied using Computational Fluid Dynamics simulations. The focus is on the analysis of dispersion from full field data. The purpose is to develop a methodology that can later also be used to characterize dispersion from full field experimental data such as MRI measurements. Results obtained by means of particle-resolved CFD simulations are discussed. Spatial distributions and residence times are analyzed and the results are interpreted by comparison to results obtained from 1D and 2D convection-diffusion equations

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Analysis of Particle-Resolved CFD Results for Dispersion in Packed Beds

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Analysis of Particle-Resolved CFD Results for Dispersion in Packed Beds

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