1996
DOI: 10.1016/0009-2509(96)00029-2
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Liquid circulation, bubble size distributions, and solids movement in two- and three-phase bubble columns

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Cited by 110 publications
(57 citation statements)
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“…In order to improve our understanding of the flow pattern and backmixing, CARPT data has been acquired by various research groups in fluidized beds (Moslemian, Chen and Chao, 1989), in bubble columns (Devanathan, Moslemian and Dudukovic, 1990;Degaleesan, 1997), slurries (Grevskott et al, 1996), spouted beds and ebullated beds (Limtrakul, 1996). Here we briefly review how CARPT-CT results contribute to establishing more accurate flow pattern models for several multiphase reactors such as bubble columns, risers, etc.…”
Section: Use Of Carpt-ct Results In Reactor Modelingmentioning
confidence: 99%
“…In order to improve our understanding of the flow pattern and backmixing, CARPT data has been acquired by various research groups in fluidized beds (Moslemian, Chen and Chao, 1989), in bubble columns (Devanathan, Moslemian and Dudukovic, 1990;Degaleesan, 1997), slurries (Grevskott et al, 1996), spouted beds and ebullated beds (Limtrakul, 1996). Here we briefly review how CARPT-CT results contribute to establishing more accurate flow pattern models for several multiphase reactors such as bubble columns, risers, etc.…”
Section: Use Of Carpt-ct Results In Reactor Modelingmentioning
confidence: 99%
“…Figure 3 reveals the bubble diameter number densities for C ) ) for each bubble diameter population and has been used by other investigators to characterize bubble size in bubble columns. 9,15,20,21,[46][47][48] However, S B assumes that all bubbles are spherical, which is clearly not the case for the large bubbles that are influenced by the column walls (e.g., see Figure 2 for C ) 0% and υ l ) 1 cm/s). A more appropriate measure for the bubble sizes in this geometry is the maximum recorded equivalent bubble diameter, d B,max ; this value generally increases with increasing υ g and column height.…”
Section: Air-water (C ) 0%)mentioning
confidence: 99%
“…Following an overview of the advancements and current trends in bubble column simulation using the Eulerian multi-fluid approach is provided. The pioneering work, performed among in 1989 and 1999, reproduced the fluid dynamics in rectangular bubble columns using two-dimensional Eulerian simulations [403][404][405][406][407][408][409][410][411][412]. However, other authors [413][414][415][416] remarked that, for more accurate predictions of the bubble plume oscillation period and the turbulent quantities, three-dimensional simulations are required for both rectangular [413][414][415] and circular [416] columns.…”
Section: The Eulerian Multi-fluid Approachmentioning
confidence: 99%