One- and two-dimensional travelling wave solutions in gas-fluidized beds

摘要: Making use of numerical continuation techniques as well bifurcation theory, both one- and two-dimensional travelling wave solutions the ensemble-averaged equations motion for gas particles in fluidized beds have been computed. One-dimensional having only vertical structure emerge through a Hopf uniform state are born out these one-dimensional waves. Fully developed high amplitude reminiscent bubbles. It is found that qualitative features diagram not affected by changes model parameters or closures. An examination stability to perturbations suggests mechanism which similar overturning instability analysed Batchelor & Nitsche (1991).