A simple model for predicting solid concentration distribution in binary‐solid liquid fluidized beds
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DOI: 10.1002/aic.15420
Abstract: A simple mathematical model for predicting the solid concentration profile in binary-solid liquid fluidized beds is presented. The main assumption is that the solid concentration distribution follows the logistic function, which is supported by the… read more here.
Keywords: binary solid; liquid fluidized; fluidized beds; solid concentration ... See more keywords
Validation study on spatially averaged two‐fluid model for gas‐solid flows: II. Application to risers and fluidized beds
Sign Up to like & getrecommendations! Published in 2018 at "Aiche Journal"
DOI: 10.1002/aic.16141
Abstract: In our prior study (Schneiderbauer, AIChE J. 2017;63(8):3544–3562), a spatially averaged two-fluid model (SA-TFM) was presented, where closure models for the unresolved terms were derived. These closures require constitutive relations for the turbulent kinetic energies… read more here.
Keywords: fluidized beds; study; model; two fluid ... See more keywords
Borescopy in pressurized gas‐solid fluidized beds
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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
Dynamic analysis of the scale-up of fluidized beds
Sign Up to like & getrecommendations! Published in 2017 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2017.07.014
Abstract: Abstract A method is developed for hydrodynamics scale-up of gas-solid fluidized beds based on recurrence quantification analysis of nonlinear time series of pressure fluctuations. This method is an improvement of the previous method by including… read more here.
Keywords: fluidized beds; scale fluidized; analysis; analysis scale ... See more keywords
Dynamic forces on an immersed cylindrical tube and analysis of particle interaction in 2D-gas fluidized beds
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2018.09.038
Abstract: Abstract The interactions of bubbles and particles with fixed cylindrical tubes in two-dimensional fluidized beds were investigated by experiments and by simulations, based on results for single bubbles impinging on a tube. The experimental results… read more here.
Keywords: fluidized beds; dynamic forces; tube; particle ... 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
Bed expansion and multi-bubble behavior of gas-liquid-solid micro-fluidized beds in sub-millimeter capillary
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.07.107
Abstract: Abstract Hydrodynamic study was performed on the gas-liquid-solid micro-fluidized beds with 0.8 mm bed diameter and multi-bubbles through high speed camera recording system. Flow regimes including dispersed bubble flow, coalesced bubble flow and slug flow were… read more here.
Keywords: fluidized beds; gas; micro fluidized; bubble flow ... See more keywords
Continuous Enantioselective Crystallization of Chiral Compounds in Coupled Fluidized Beds
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DOI: 10.1016/j.cej.2021.129627
Abstract: Abstract This review summarizes results of an interdisciplinary project devoted to improve the access to enantiopure components by applying an advanced continuous separation process exploiting the principle of kinetically controlled preferential crystallization within two coupled… read more here.
Keywords: continuous enantioselective; enantioselective crystallization; coupled fluidized; fluidized beds ... See more keywords
Three-dimensional axial dispersion of gas-solid fluidized beds using 8-plane electrical capacitance volume tomography
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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
DEM numerical investigation of wet particle flow behaviors in multiple-spout fluidized beds
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DOI: 10.1016/j.ces.2017.06.025
Abstract: Spout fluidized beds are important for industrial processing, and multiple-spout fluidized beds play an important role in chemical reactions. However, particle flow behaviors in multiple-spout fluidized beds are not well known in wet particle systems.… read more here.
Keywords: spout fluidized; fluidized beds; flow behaviors; particle ... See more keywords
Real-time magnetic resonance imaging of fluidized beds with internals
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2018.12.041
Abstract: Abstract The effect of internals on the fluidization dynamics in three-dimensional (3D) cylindrical fluidized beds was studied using real-time magnetic resonance imaging. Instantaneous snapshots of particle velocity and particle position were acquired for gas velocities… read more here.
Keywords: gas; real time; resonance imaging; magnetic resonance ... See more keywords