Coarse-grain DEM-CFD modelling of dense particle flow in Gas–Solid cyclone

Erasmo S. Napolitano,Alberto Di Renzo,Francesco P. Di Maio

Separation and Purification Technology（2022）

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摘要

•DEM-CFD simulations of gas/big particle flow in Stairmand cyclone.•Different inlet velocity and solids loading considered.•Negligible effect of coarse graining to DEM on gas flow.•Macroscopic properties maintained with coarse-graining factor up to 4.•Microscopic features affected at coarse-graining factors 3 and 4.

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关键词

Gas-solid separations,Cyclones,Multiphase flow,Discrete element method,Coarse graining,Separation efficiency

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