Dispersion coefficient Dispersions 4 Fluidized beds 4 Radioactive particle tracking 4 Velocity 4 Atmospheric movements 2 Axial dispersion coefficients 2 Bubble columns 2 CFD-DEM 2 CFD-DEM model 2 Calcium 2 Computational fluid dynamics 2 Fluidization 2 Foaming 2 Gamma rays 2 Gas foaming 2 Gel beads 2 Hydrodynamic stress 2 Immobilized biocatalysts 2 Liquid inlet distribution 2 Liquid-solid fluidization 2 Liquid-solid fluidized beds 2 Liquids 2 Mixing 2 Particle tracking 2 Phenomenological models 2 Radioactive tracers 2 Radioactivity 2 Runway foaming 2 Solid motion 2