Borescopy in pressurized gas‐solid fluidized beds
Sign Up to like & getrecommendations! Published in 2018 at "Aiche Journal"
DOI: 10.1002/aic.16186
Abstract: A borescopic technique was used for finding the effect of pressure on the hydrodynamics of gas-solid fluidized beds. The results showed that solids radial distribution may become more or less uniform with increasing pressure depending… read more here.
Keywords: fluidized beds; pressurized gas; solid fluidized; gas ... See more keywords
Pattern formation in pulsed gas-solid fluidized beds – The role of granular solid mechanics
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.05.152
Abstract: Under certain conditions, gas-solid fluidized beds are known to develop a structured flow of bubbles when exposed to periodically pulsating air flows. In quasi-two-dimensional beds, periodically rising bubbles form a triangular tessellation in the vertical… read more here.
Keywords: solid mechanics; fluidized beds; gas; solid fluidized ... See more keywords
Three-dimensional axial dispersion of gas-solid fluidized beds using 8-plane electrical capacitance volume tomography
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.131422
Abstract: Abstract Due to the complex flow characteristics and opaqueness of gas-solid fluidized beds, the axial behavior of circulating fluidized bed (CFB) risers is not entirely understood. A 32-electrode electrical capacitance volume tomography (ECVT) system with… read more here.
Keywords: gas; plane; gas solid; fluidized beds ... See more keywords
Hydrodynamics of a bubble-driven liquid-solid fluidized bed
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2018.10.018
Abstract: Abstract A new fluidization system, the bubble-driven liquid-solid fluidized bed, adopting particles with a slightly higher density than the fluid, has been proposed. During the experiment process, air was introduced into the bottom of the… read more here.
Keywords: bubble driven; hydrodynamics; driven liquid; liquid solid ... See more keywords
In-situ quantification of the magnitude of interparticle forces and its temperature variation in a gas-solid fluidized bed
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2020.116349
Abstract: Abstract Interparticle forces (IPFs) are among the important parameters that can influence the hydrodynamics of a gas-solid fluidized bed and, hence, its overall performance. They are particularly critical at elevated temperatures, where their magnitude is… read more here.
Keywords: temperature; magnitude; solid fluidized; fluidized bed ... See more keywords
An overview of advances in understanding electrostatic charge buildup in gas-solid fluidized beds
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electrostatics"
DOI: 10.1016/j.elstat.2017.03.005
Abstract: Abstract Electrostatic charging of particles in gas-solid fluidized beds often results in operational complications in commercial processes. This paper provides a comprehensive review of the advances from the last decade in three key areas, namely… read more here.
Keywords: fluidized beds; charge; solid fluidized; overview advances ... See more keywords
Effects of internals and distributors on the distribution and growth of bubbles in the conventional gas–solid fluidized bed
Sign Up to like & getrecommendations! Published in 2020 at "Particuology"
DOI: 10.1016/j.partic.2020.10.005
Abstract: Abstract The effects of internals and gas distributors on the local dynamics of the bubbles in the conventional gas–solid fluidized bed were studied. Mesh-type internals with different opening areas (50%, 70% and 90%) and different… read more here.
Keywords: bubbles conventional; effects internals; gas; solid fluidized ... See more keywords
Particle scale modelling of bubble properties in central air jet gas-solid fluidized beds
Sign Up to like & getrecommendations! Published in 2018 at "Powder Technology"
DOI: 10.1016/j.powtec.2018.08.001
Abstract: Abstract Bubbles properties play an important role in determining the characteristics of gas-solid fluidized beds and thus influence the bed performance significantly. In this work, the bubble properties such as bubble size and bubble shape… read more here.
Keywords: fluidized beds; jet; solid fluidized; gas solid ... See more keywords
Reduction in minimum fluidization velocity and minimum bubbling velocity in gas-solid fluidized beds due to vibration
Sign Up to like & getrecommendations! Published in 2021 at "Powder Technology"
DOI: 10.1016/j.powtec.2021.01.023
Abstract: Abstract Vibration of gas-solid fluidized beds is often used to enable fluidization of cohesive particles; however, it has also been shown to reduce the minimum fluidization velocity (Umf). Here, we show via experiments that vibration… read more here.
Keywords: velocity; gas solid; vibration; fluidization ... See more keywords
Modeling Agglomeration Behavior in High Temperature Gas–Solid Fluidized Beds via Monte Carlo Method
Sign Up to like & getrecommendations! Published in 2017 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.6b04893
Abstract: Particles and bubbles are important discrete elements in gas–solid fluidized beds. The interactions between them affect the evolution of agglomerates. Based on the analyses of microscopic physical processes, mathematical models of particle coalescence and agglomerate… read more here.
Keywords: carlo method; fluidized beds; monte carlo; solid fluidized ... See more keywords
Machine Learning Approach to Predict the Surface Charge Density of Monodispersed Particles in Gas–Solid Fluidized Beds
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c00299
Abstract: Gas–solid fluidized beds are complex particle systems, and the electrostatic behavior of particles in fluidized beds is even more complex, which is influenced by numerous factors such as particle properties and operating conditions. Current studies… read more here.
Keywords: gas solid; machine; solid fluidized; fluidized beds ... See more keywords