Three-dimensional numerical modelling of interactions between a gas–liquid jet and a fluidized bed

摘要: Abstract This paper presents the development of a novel mathematical model that describes spray injection and spreading into fluidized bed solid particles. The also includes gas–liquid flow through nozzle followed by gas-assisted atomization. An Eulerian approach is independent nature continuous phase adopted for all phases, which are gas (or bubbles), liquid droplets), particles may be covered with layer. Variation in sizes bubbles droplets represented particle number density takes account both break-up coalescence. atomization considered as catastrophic inversion triggered critical local volume fraction. New relationships were obtained due to wet collisions heat conduction between surrounding applied simulate conditions previously experimentally studied published. comparison reveals reasonable agreement prediction cumulative distribution two experimental cases. In addition, we evaluated jet penetration distance compare it one measured another set experiments. yields good qualitative agreement. Finally, influence fluidization velocity on bed.