Gas–solid fluidization of cohesive powders
Fine and ultrafine powders (down to nanoparticles) have recently received growing interest
in both industrial and academic sectors due to their very distinctive features, mainly coming …
in both industrial and academic sectors due to their very distinctive features, mainly coming …
Dynamically structured fluidization: Oscillating the gas flow and other opportunities to intensify gas-solid fluidized bed operation
Various approaches to structure gas-solid fluidized beds are reviewed, followed by detailed
discussion on the use of gas pulsation to induce dynamic structuring. Granular media are …
discussion on the use of gas pulsation to induce dynamic structuring. Granular media are …
Wet fluidization characterization of potash particles in a pulsation-assisted fluidized bed
MN Hassankiadeh, RJ Spiteri, M Berrey, D Jordison… - Powder Technology, 2023 - Elsevier
In order to improve fluidization behavior, pulsed airflow was employed to break
agglomeration and eliminate channeling in a fluidized bed with wet potash particles. The …
agglomeration and eliminate channeling in a fluidized bed with wet potash particles. The …
Experimental study on hydrodynamic characteristics of gas–solid pulsed fluidized bed
HK Bizhaem, HB Tabrizi - Powder technology, 2013 - Elsevier
The purpose of this study is to investigate the hydrodynamic characteristics of pulsed
fluidized bed experimentally. Three different particles, silica with 196μm mean diameter …
fluidized bed experimentally. Three different particles, silica with 196μm mean diameter …
Prediction of minimum fluidization velocity in pulsed gas–solid fluidized bed
Fluidized bed technology plays a vital role in petrochemistry and coal separation. To
enhance fluidization stability, the flow is periodically introduced into the gas–solid fluidized …
enhance fluidization stability, the flow is periodically introduced into the gas–solid fluidized …
Structuring chaotic fluidized beds
MO Coppens, JR van Ommen - Chemical Engineering Journal, 2003 - Elsevier
Three new ways are proposed to “structure” bubbling gas–solid fluidized beds, ie to bring
order into their chaotic hydrodynamics. Just like for fixed bed reactors, the rational …
order into their chaotic hydrodynamics. Just like for fixed bed reactors, the rational …
CFD analysis of air distribution in fluidised bed equipment
F Depypere, JG Pieters, K Dewettinck - Powder technology, 2004 - Elsevier
The unique features of the fluidised bed—excellent mixing capacity and high heat and mass
transfer rates—are highly dependent on the quality of fluidisation resulting from the bubble …
transfer rates—are highly dependent on the quality of fluidisation resulting from the bubble …
A review of pulsed flow fluidisation; the effects of intermittent gas flow on fluidised gas–solid bed behaviour
E Ireland, K Pitt, R Smith - Powder Technology, 2016 - Elsevier
Pulsed flow fluidisation involves the use of either a relocating or intermittent gas stream
flowing through a bed of particles, and produces a range of fluidisation effects dependent on …
flowing through a bed of particles, and produces a range of fluidisation effects dependent on …
Comprehensive multivariate sensitivity analysis of CFD-DEM simulations: Critical model parameters and their impact on fluidization hydrodynamics
The development of CFD-DEM is critical for investigating particle phenomena and their
coupling with reactor transport. However, there continues to be considerable uncertainty in …
coupling with reactor transport. However, there continues to be considerable uncertainty in …
Using a proper orthogonal decomposition to elucidate features in granular flows
We apply proper orthogonal decomposition (POD) technique to analyze granular rheology
in a laboratory-scale pulsed-fluidized bed. POD allows us to describe the inherent dynamics …
in a laboratory-scale pulsed-fluidized bed. POD allows us to describe the inherent dynamics …