sensitivity study on CFD modeling of cocurrent spray-drying process

This article presents CFD modeling of drying process in a cocurrent spray dryer. Initial parameters of discrete and continuous phase were determined experimentally and used in the model. The theoretical results were compared with experimental data and sensitivity of the simulation results to the sel...

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Bibliographic Details
Published in:Drying technology 2005-01, Vol.23 (8), p.1681-1691
Main Authors: Li, X, Zbicinski, I
Format: Article
Language:English
Subjects:
atomization
computational fluid dynamics
Discrete phase behavior
dispersibility
dryers
dynamic programming
evaporation rate
Experimental initial parameters
flow
fluid mechanics
kinetics
particle size distribution
phase transition
Simulation errors
spray drying
velocity
water content
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Summary:This article presents CFD modeling of drying process in a cocurrent spray dryer. Initial parameters of discrete and continuous phase were determined experimentally and used in the model. The theoretical results were compared with experimental data and sensitivity of the simulation results to the selected parameters was determined. Results show that the applied gas turbulence model, drying kinetics, effect of atomizing air, and turbulent particle dispersion are crucial parameters that control accuracy of the CFD modeling.
ISSN:0737-3937
1532-2300
DOI:10.1081/DRT-200065093