Abstract

The steady-state motion of a bubble (a cavity free from suspended particles and occupied solely by the liquid phase) in a fluidized bed of uniform concentration is considered. The change in the shape of the bubble which takes place as it rises through the fluidized bed is established; the rising velocity is determined for both large and small bubbles. The basic parameter characterizing the shape of a large bubble in either a fluidized bed or a homogeneous liquid is calculated. This, in particular, enables the well-known Taylor problem of a large drop or bubble in an unlimited medium to be solved.

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