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Analysis of Mobility Effects in Particle‐Gas Flows by Particle‐Resolved LBM‐DEM Simulations by Tony Rosemann; Simon R. Reinecke; Harald Kruggel‐Emden is a Engineering article available to read on EtoBox.

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Dedicated to Prof. Dr.-Ing. Matthias Kraume on the occasion of his 65th birthday Particle-resolved direct numerical simulations are performed to simulate the flow through particle assemblies that are either static or freely moving to demonstrate the influence of particle mobility. To obtain a comprehensive understanding for this influence essential parameters such as the Reynolds number, solids volume fraction, particle-fluid density ratio, collision parameters and particle shape are varied. The influence of particle mobility is assessed by evaluating the particlefluid forces, the particle ensemble structure and particle velocities. It is found that the ability of existing correlations for static particle systems to predict drag and lift forces correctly in dynamic particle-gas flows is limited and that drift forces perpendicular to the drag force play an important role.

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Author

Tony Rosemann; Simon R. Reinecke; Harald Kruggel‐Emden

Publisher

Wiley

Published

2020

Language

DE

Field

Engineering (Physical Sciences)