Gas-solid fluidized-bed systems offer great advantages in terms of chemical reaction
efficiency and temperature control where other chemical reactor designs fall short. For this …

Detailed validation coarse-grained CFD-DEM model in the open source code MFIX is
performed. Metrics used include fluidization behavior, minimum fluidization velocity …

Particle motion affects microscopic momentum, heat/mass transfers, and macroscopic
mixing/separation performances in engineering processes ranging from those involving …

The hydrodynamics of tapered fluidized beds is significantly different from the columnar
beds due to the variation of the cross-sectional area along the height. The hydrodynamic …

Rapid magnetic resonance imaging (MRI) and velocimetry (MRV) are non-invasive
measurement techniques in 3D opaque systems with∼ 10 ms temporal resolution, enabling …

There are a few reports about supercritical water circulating fluidized beds (SCWCFBs), and
simulations were conducted via a two-fluid model to investigate flow dynamics in a riser of …

A mesoscale method is developed that can simulate the gas-solid reaction carried out
during the fluidization, based on lattice gas cellular automata and Newton's second law. For …

A comparative study of flow characteristics in three-dimensional supercritical water fluidized
beds (SCWFB, 440–560℃, 22–26 MPa), cold gas-solid fluidized beds (CGSFB, 20℃, 0.1 …

This study aims to conduct a sensitivity analysis of closure models and modeling parameters
for the Dense Discrete Phase Modeling (DDPM) approach in order to investigate the …

Pressurized fluidized beds have gained considerable interest in industrial applications due
to their superior performance and efficiency compared to atmospheric fluidized beds …