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Abstract
Bubble Characterization in Pressurized Fluidized-Bed Combustors with Bed Internals Abstract–Bubble characteristics within a tube bundle of a Pressurized Fluidized Bed Coal Combustor (PFBC) were studied. A model was developed to compute emulsion phase gas velocity, bubble throughflow velocity, and the visible bubble flow coefficient. Experimental data obtained from a PFBC unit were compared with the model prediction and a good agreement was observed.