New methods for flow regime identification in bubble columns and fluidized beds
S Nedeltchev - Chemical Engineering Science, 2015 - Elsevier
New methods for flow regime identification were developed and applied to photon count
time series measured in a bubble column (0.162 m in ID) and fluidized bed (0.438 m in ID) …
time series measured in a bubble column (0.162 m in ID) and fluidized bed (0.438 m in ID) …
Characterization of various structures in gas-solid fluidized beds by recurrence quantification analysis
Gas-solid fluidized beds are widely considered as nonlinear and chaotic dynamic systems.
Pressure fluctuations were measured in a fluidized bed of 0.15 m in diameter and were …
Pressure fluctuations were measured in a fluidized bed of 0.15 m in diameter and were …
Characterization of fluidized beds hydrodynamics by recurrence quantification analysis and wavelet transform
M Tahmasebpoor, R Zarghami… - International journal of …, 2015 - Elsevier
This paper reports the development of nonlinear time series analysis technique based on
recurrence quantification analysis (RQA) method to characterize the hydrodynamic of gas …
recurrence quantification analysis (RQA) method to characterize the hydrodynamic of gas …
Recurrence plots to characterize gas–solid fluidization regimes
MF Llop, N Gascons, FX Llauró - International Journal of Multiphase Flow, 2015 - Elsevier
Recurrence plots have been used to analyze and characterize the investigated fluidization
regimes: bubbling, slugging and turbulent. Recurrence plots can be qualitatively analyzed …
regimes: bubbling, slugging and turbulent. Recurrence plots can be qualitatively analyzed …
Influence of restitution and friction coefficients on the velocity field of polydisperse TiO2 agglomerates in a conical fluidized bed by the adhesive CFD-DEM simulation
A Bahramian, M Olazar - Powder Technology, 2021 - Elsevier
The hydrodynamic behavior of cohesive TiO 2 nanoparticle agglomerates was studied in a
conical fluidized bed. The effects of size, particle polydispersity, and airflow velocity were …
conical fluidized bed. The effects of size, particle polydispersity, and airflow velocity were …
Multiple sensors data integration for traffic incident detection using the quadrant scan
Non-recurrent congestion disrupts normal traffic operations and lowers travel time (TT)
reliability, which leads to many negative consequences such as difficulties in trip planning …
reliability, which leads to many negative consequences such as difficulties in trip planning …
Investigating the flow structures in semi-cylindrical bubbling fluidized bed using pressure fluctuation signals
SM Okhovat-Alavian, J Behin, N Mostoufi - Advanced Powder Technology, 2019 - Elsevier
Hydrodynamic characteristics of a gas-solid semi-cylindrical fluidized bed was
experimentally investigated and compared with that of a cylindrical bed by analysis of …
experimentally investigated and compared with that of a cylindrical bed by analysis of …
Chaos control in the cerium-catalyzed Belousov–Zhabotinsky reaction using recurrence quantification analysis measures
Chaos control in the Belousov–Zhabotinsky-CSTR system was investigated theoretically
and experimentally by reconstructing the phase space of the cerium (IV) ions concentration …
and experimentally by reconstructing the phase space of the cerium (IV) ions concentration …
Non‐intrusive characterization of particle size changes in fluidized beds using recurrence plots
An on‐line method is developed for monitoring of mean particle size in fluidized beds using
pressure fluctuations (PFs) and acoustic emissions (AE) signal by recurrence plot (RP) and …
pressure fluctuations (PFs) and acoustic emissions (AE) signal by recurrence plot (RP) and …
Application of recurrence CFD (rCFD) to species transport in turbulent vortex shedding
The functionality of computational fluid dynamics (CFD) for turbulent flows is limited by huge
computational demands which prevent any detailed long-term studies. In this publication, we …
computational demands which prevent any detailed long-term studies. In this publication, we …