Flow of fluids Mathematical models 16 Approximation theory 6 Differential equations 6 Navier Stokes equations 6 Adsorption 4 Computer simulation 4 Direct numerical simulation 4 Dispersion 4 Dispersions 4 Energy spectrum 4 Flow patterns 4 Fluidized beds 4 Models 4 Porous materials 4 Reynolds number 4 Solubility 4 Stability analysis 4 Structural characterization 4 Subfilter-scale physics 4 Subgrid-scale (SGS) models 4 Turbulence 4 adsorption 4 article 4 dispersion 4 fluid flow 4 fluidized bed 4 liquid 4 trickle bed reactor 4 3D modeling 2