Coarse-grid two-fluid simulation of gas-solid fluidized bed reactors based on the kinetic
theory of granular flow exhibits a significant dependence on drag models, especially for …

Abstract A Computational Particle Fluid Dynamics (CPFD) approach was applied to
investigate the solids residence time distribution (RTD) and back-mixing behavior in a …

The fluidization characteristics of nanoparticle (NP) agglomerates are affected by the particle
size distribution (PSD), with PSD depending on the particle interaction force and adhesion …

Solid–gas fluidized beds are widely used in various industries such as petrochemical,
energy, chemical, and metallurgical sectors due to their efficient heat-and mass-transfer …

The two-dimensional two-fluid model (TFM) incorporating the kinetic theory of granular flow
was used to simulate the hydrodynamic behavior of gas bubbles in tapered fluidized beds …

The hydrodynamic behavior of cohesive TiO 2 nanoparticle agglomerates was studied in a
conical fluidized bed. The effects of size, particle polydispersity, and airflow velocity were …

The specularity coefficient is a key parameter for the Johnson and Jackson boundary
conditions used in a two-fluid model (TFM), but it is experimentally unmeasurable. This work …

Understanding the agglomeration characteristics of nanoparticles (NPs) helps to improve
their fluidization quality. This study aims to ascertain the multi-stage agglomeration of titania …

The hydrodynamics of a cylindrical spouted bed with a draft tube were studied using the two-
fluid model (TFM) incorporating the kinetic theory of granular flow. The effect of some …

When modeling gas–solid fluidized beds with Eulerian–Eulerian approach, the predicted
hydrodynamics is significantly affected by the solid phase wall boundary condition. The …