This article reviews the general features of the multiscale structures in particle–fluid systems
and the characterization, modeling, and simulation methods for these systems. The …

Abstract Fluidized Beds (FBs) are widely employed in the petroleum and coal energy sector
because they offer excellent contact, both in terms of high surface area and long times. The …

This year, 2022, we celebrate the 100-year anniversary of the commercialization of the
fluidized bed reactor. In those years, many new processes have been developed, with many …

Abstract Computational Fluid Dynamics coupled with Discrete Element Method (CFD-DEM)
is a commonly used numerical method to model gas-solid flow in fluidised beds and other …

A study was carried out using Particle Image Velocimetry (PIV) to reveal velocity vector flow
fields in the freeboard region of a Geldart A fluidized bed. For the first time the effect of …

The fluidization of zeolite 13X in a bubbling fluidized bed was experimentally investigated.
The objective is to analyze the fluidization behavior of particles in a lab-scale system with a …

Positron emission particle tracking (PEPT) is a non‐invasive technique that can be used for
following the trajectories of particles in fluidized beds, so increasing understanding of solids …

A small scale pseudo 2-D bed of dimension 0.075 m× 0.23 m× 1.22 m was utilized to
measure the pressure drop and velocity statistics of Geldart Group D nylon beads. The …

The quantification of three-dimensional (3D) particle behavior in a fluidized bed is crucial for
improving the fundamental understanding and engineering design of such multiphase …

Solids velocimetry based on cross-correlation algorithm has been widely used in multiphase
systems. Recent studies have revealed that its measurement qualities depend critically on …