Abstract
The application of CFD to evaluate heat transfer in spouted beds remains scarce. Furthermore, the few reported studies about this have used a correlation proposed to determine the Nusselt number for fixed and fluidized beds. Therefore, the aim of this work was to investigate the effects of the different correlations in describing heat transfer in a conical spouted bed, using a two-dimensional Euler-Euler approach. Correlations proposed specifically for a spouted bed were implemented by means of a user-defined function. The simulated fluid phase temperatures within the bed were compared with experimental data obtained for a spouted bed operating with sorghum seeds (Sorghum bicolor (L.) Moench). Correlations that take into consideration geometric parameters that are important in spouted bed design were implemented. The comparison among experimental and simulated data indicated the most suitable correlation for description of heat transfer in the spouted bed.
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