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A Eulerian multiphase model was used to study the hydrodynamics of the gas–solids flow in a circulating fluidized bed (CFB) furnace. Alternative modeling approaches were tried to evaluate their effects on the predicted solids distribution in the furnace. Due to high computational costs, large scale calculations are commonly performed by using a coarse mesh, which leads to too uniform solids flow field...
Proper modeling for fluid dynamics is central in understanding any industrial multiphase flow. For the study of gas–solid flow in a circulating fluidized bed (CFB) riser, the model based on the Eulerian description of the phases is widely used. Gas–solid flows in fluidized bed units are heterogeneous, and resolving them in numerical simulations requires a very fine mesh spacing and a short time step...
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