Experimental and computational investigation on the macroscopic circulation patterns in a bubbling gas-solid fluidized bed

J.A. Laverman, M.J. Bulte, ten, M. Sint Annaland, van, J.A.M. Kuipers

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Abstract

The hydrodynamics of a freely bubbling, pseudo 2-D fluidized bed has been investigated experimentally for different bed aspect ratios at different superficial gas velocities by using Particle Image Velocimetry (PIV) combined with Digital Image Analysis (DIA). Coupling of both non-invasive measuring techniques allows us to obtain information on both the bubble behavior and emulsion phase circulation patterns simultaneously. In particular, the combination of DIA with PIV allows to correct for the influence of particle raining through the roof of the bubbles on the time-averaged emulsion phase velocity profiles.
Original languageEnglish
Title of host publicationProceedings of the 8th World Congress of Chemical Engineering incorporating the 59th Canadian Chemical Engineering Conference and the XXIV Interamerican Congress of Chemical Engineering (WCCE8) ; Montréal, Quebec, Canada, August 23 - 27, 2009 ; abstract book
Place of PublicationMontreal
Pages1713-
Publication statusPublished - 2010

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