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Modeling gas flows in packed beds with the Lattice Boltzmann method: Validation against experiments

T. Neeraj, C. Velten, G. Janiga, K. Zähringer, R. Namdar, F. Varnik, D. Thévenin, S. A. Hosseini

Flow, Turbulence and Combustion, 111, 463-491, (2023)

DOI: 10.1007/s10494-023-00444-z

Download: BibTEX

This study aims to validate the lattice Boltzmann method and assess its ability to accurately describe the behavior of gaseous flows in packed beds. To that end, simulations of a model packed bed reactor, corresponding to an experimental bench, are conducted, and the results are directly compared with experimental data obtained by particle image velocimetry measurements. It is found that the lattice Boltzmann solver exhibits very good agreement with experimental measurements. Then, the numerical solver is further used to analyze the effect of the number of packing layers on the flow structure and to determine the minimum bed height above which the changes in flow structure become insignificant. Finally, flow fluctuations in time are discussed. The findings of this study provide valuable insights into the behavior of the gas flow in packed bed reactors, opening the door for further investigations involving additionally chemical reactions, as found in many practical applications.

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{"type":"article", "name":"t.neeraj20238", "author":"T. Neeraj and C. Velten and G. Janiga and K. Zähringer and R. Namdar and F. Varnik and D. Thévenin and S. A. Hosseini", "title":"Modeling gas flows in packed beds with the Lattice Boltzmann method: Validation against experiments", "journal":"Flow, Turbulence and Combustion", "volume":"111", "OPTnumber":"2", "OPTmonth":"8", "year":"2023", "OPTpages":"463-491", "OPTnote":"", "OPTkey":"Lattice Boltzmann; packed bed; body-centered-cubic packing; computational fluid dynamics (CFD); particle image velocimetry (PIV)", "DOI":"10.1007/s10494-023-00444-z"}
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