Vibration augmentation of the solids volume dragged by the wake of a bubble rising in a fluidized bed

Abstract In a gas fluidized bed, bubbles are mainly responsible for the displacement and mixing of bed particles, with direct impact on heat mass transfer. this work, motion solids in wake region an isolated bubble rising vibrated is experimentally studied using combined digital image averaging techniques. The results show that behavior depends vibration phase position bed. Particles penetrate inside volume during deceleration vessel, provoking their characteristic wavy contour. particles dragged by affected due to interaction compression expansion waves travelling Independently increasing amplitude or frequency augments wake.