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Validation of CFD-DEM simulation of a liquid-solid fluidized bed by dynamic analysis of time series
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作者 julia picabea Mauricio Maestri +5 位作者 Miryan Cassanello Gabriel Salierno Cataldo De Blasio María Angélica Cardona Daniel Hojman Héctor Somacal 《Particuology》 SCIE EI CAS CSCD 2022年第9期75-87,共13页
Liquid-solid fluidized beds(LSFB)modeling validation is crucial for establishing design rules and monitor-ing tools.However,it generally relies on comparing global variables,which overlook dynamic features that influe... Liquid-solid fluidized beds(LSFB)modeling validation is crucial for establishing design rules and monitor-ing tools.However,it generally relies on comparing global variables,which overlook dynamic features that influence reaction outputs.This work aims to implement time series analysis tools to compare Radioactive Particle Tracking data with a simulation consisting of Computational Fluid Dynamics cou-pled with Discrete-Element Method.Experiments have been performed in a pilot-scale LSFB of calcium alginate spheres fluidized with a calcium chloride solution.The Diks'test indicates that the simulation can capture the LSFB behavior.It also allows diagnosing flow regime transitions from the simulation.Trends of solid dispersion coefficients and mixing times predicted by the simulation are in good agreement with the experiments. 展开更多
关键词 Liquid-solid fluidization CFD-DEM Dynamic comparison Radioactive particle tracking
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