Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/153287
Title: Fast versus turbulent fluidization of Geldart Group B particles
Authors: Chew, Jia Wei
Cocco, Ray A.
Keywords: Engineering::Chemical engineering
Issue Date: 2021
Source: Chew, J. W. & Cocco, R. A. (2021). Fast versus turbulent fluidization of Geldart Group B particles. AIChE Journal, 67(6), e17216-. https://dx.doi.org/10.1002/aic.17216
Project: 2019-T1-002-065
Journal: AIChE Journal
Abstract: Both fast and turbulent fluidized beds exhibit entrainment, but the differences in the flow phenomena are not well understood. This study targeted a comparative analysis of the cluster (or streamer), mass flux, and segregation datasets from these two fluidization regimes. The particle systems were narrow particle size distributions (PSDs), binary mixtures, or broad PSDs of Geldart Group B particles. Relative to the fast fluidized bed, the turbulent bed exhibited (i) higher cluster probability and frequency, but lower cluster duration; (ii) lower local mass flux; and (iii) similar segregation extents. Regarding clusters, the relative dominance of the variables on probability was similar for both regimes, but there was a difference for probability and frequency. For overall mass flux, particle-related properties were more dominant with the turbulent bed. As for segregation, the radial position was the most influential in the fast fluidized bed, but the least in the turbulent one.
URI: https://hdl.handle.net/10356/153287
ISSN: 0001-1541
DOI: 10.1002/aic.17216
Schools: School of Chemical and Biomedical Engineering 
Research Centres: Nanyang Environment and Water Research Institute 
Singapore Membrane Technology Centre 
Rights: © 2021 American Institute of Chemical Engineers. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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