Time-series analysis of pressure fluctuations in gas–solid fluidized beds–A review

JR Van Ommen, S Sasic, J Van der Schaaf… - International Journal of …, 2011 - Elsevier
This work reviews methods for time-series analysis for characterization of the dynamics of
gas–solid fluidized beds from in-bed pressure measurements for different fluidization …

CFD simulation of fluidized bed reactors for polyolefin production–A review

MJH Khan, MA Hussain, Z Mansourpour… - Journal of Industrial and …, 2014 - Elsevier
This literature survey focuses on the application of computational fluid dynamics (CFD) in
various aspects of the fluidized bed reactor. Although fluidized bed reactors are used in …

Characterization of flow properties of cohesive powders: A comparative study of traditional and new testing methods

M Leturia, M Benali, S Lagarde, I Ronga, K Saleh - Powder Technology, 2014 - Elsevier
The characterization of powder flow properties is often required for reliable design and
proper operation of industrial processes. The effect of the state of compaction and bed …

Vibrational analysis of pipes based on the drift-flux two-phase flow model

A Ebrahimi-Mamaghani, N Mostoufi… - Ocean …, 2022 - Elsevier
Linear and nonlinear free vibrations of supported pipes containing two-phase flow were
modeled in different flow regimes by including gravitational force, structural and two-phase …

Dense upflow fluidized bed (DUFB) solar receivers of high aspect ratio: Different fluidization modes through inserting bubble rupture promoters

Y Deng, F Sabatier, R Dewil, G Flamant… - Chemical Engineering …, 2021 - Elsevier
A fluidized bed of Geldart-A particles is promoted as heat transfer fluid in the tubular solar
receivers of solar towers. A pressure-driven upward particle flow affects the hydrodynamic …

Studies on the fluidization performance of a novel fluidized bed reactor for iron ore suspension roasting

Z Tang, P Gao, Y Sun, Y Han, E Li, J Chen, Y Zhang - Powder Technology, 2020 - Elsevier
A U-type reduction chamber (URC) is developed as the key component of the novel iron ore
suspension roaster. It consists of a fluidization chamber (FC) and a supply chamber (SC) …

Measuring the Gas-Solids Distribution in Fluidized Beds--A Review

JR van Ommen, RF Mudde - International Journal of Chemical …, 2008 - degruyter.com
In gas-solid fluidized beds, the distribution of the particles typically varies both in time and
space. Since the gas-solids distribution and its variation have a strong influence on the …

Effect of flow pattern on power spectral density of pressure fluctuation in various fluidization regimes

O Jaiboon, B Chalermsinsuwan, L Mekasut… - Powder Technology, 2013 - Elsevier
Pressure fluctuations were measured in a fluidized bed/circulating fluidized bed along the
height of the riser and their power spectral densities (PSD) were obtained by Fast Fourier …

Modeling the impact of bubbling bed hydrodynamics on tar yield and its fluctuations during biomass fast pyrolysis

Q **ong, F Xu, E Ramirez, S Pannala, CS Daw - Fuel, 2016 - Elsevier
The impact of bubbling bed hydrodynamics on temporal variations in the exit tar yield for
biomass fast pyrolysis was investigated using computational simulations of an experimental …

Resonance-induced particle mixing and segregation phenomena in a forced oscillation fluidized bed

Y Li, K Hong, C Zhou, Y Zhang, L Dong - Chemical Engineering Science, 2024 - Elsevier
The mixing and segregation of binary particles in a fluidized bed are typically characterized
by inherent unpredictability. However, this phenomenon can be effectively regulated by …