2024
DOI: 10.20944/preprints202404.0771.v1
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Decoupling Interaction for CFD-DEM Simulations of Bubbling Fluidized Bed

Yanggui Li,
Heping Wang,
Guorong Wu

Abstract: The discrete element method (DEM) coupled with computational dynamics (CFD) has been considered one of the most sensitive ways of studying fluidized beds. This paper presents gas-solid fluidized bed simulations by use of CFD-DEM. The two-phase interaction is calculated in a way of decoupling. Within the effective neighborhood of the particles, the kernel approximation method is used to calculate the local porosity, thereby calculating the drag force on the particles. At the grid scale, the momentum exchange co… Show more

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