Using stereo XPTV to determine cylindrical particle distribution and velocity in a binary fluidized bed

Magnetic particle tracking for nonspherical particles in a cylindrical fluidized bed

In granular flow operations, often particles are nonspherical. This has inspired a vast amount of research in understanding the behavior of these particles. Various models are being developed to study the hydrodynamics involving nonspherical particles. Experiments however are often limited to obtain data on the translational motion only. This paper focusses on the unique capability of Magnetic ...

Analysis of Changes on Mean Particle Size in a Fluidized Bed using Vibration Signature

Vibration signals were measured in a lab-scale fluidized bed to investigate the changes in particle sizes. Experiments were carried out in the bed with a different mass fraction of coarser particles at different superficial gas velocities, and probe heights. The S-statistic test evaluates the dimensionless squared distance between two attractors reconstructed from time series of vibration signa...

Modeling of Vibration of a Fluidized Bed Cylindrical Shell

Cold Model Experimental Research on Particle Velocity Distribution in Gas-Solid Circulating Fluidized Bed for Methanol-to-Olefins Process

Radial profiles of particle velocities were investigated in a 6.1m high methanol-to-olefins cold model experimental device using a TSI laser Doppler velocimeter. The effect of axial height on flow development was not obvious in fully developed region under the same operating condition. Superficial gas velocity and solid circulating rate had significant influence on particle velocity in the cent...

Particle mixing and separation in a binary solids floating fluidized bed

The floating gas-solid fluidized bed (FGSFB) is a large-particle fluidized bed confined in a tapered column with inserted grids. By application of two types of particles in an FGSFB, a wide variety of operations can be carried out. The visual appearance and the hydrodynamic behaviour of such binary FGSFBs is reported in this paper. Two extreme types of behaviour were observed in the experimenta...