Effective particle diameters for simulating fluidization of non‐spherical particles: CFD‐DEM models vs. MRI measurements
Sign Up to like & getrecommendations! Published in 2017 at "Aiche Journal"
DOI: 10.1002/aic.15623
Abstract: CFD-DEM simulations were conducted and compared with magnetic resonance imaging (MRI) measurements1 of gas and particle motion in a 3D cylindrical bubbling fluidized bed. Experimental particles had a kidney-bean-like shape, while particles were simulated as… read more here.
Keywords: effective particle; particle; cfd dem; effective diameters ... See more keywords
Liquid velocity interval for minimum liquid fluidization of binary solids mixtures
Sign Up to like & getrecommendations! Published in 2017 at "Canadian Journal of Chemical Engineering"
DOI: 10.1002/cjce.22734
Abstract: The gas velocity interval for initiating gas fluidization of binary mixtures of Geldart type B particles has been thoroughly investigated experimentally and theoretically by Formisani et al. (2008–2014). The same approach has now been applied… read more here.
Keywords: velocity interval; liquid velocity; liquid fluidization; fluidization ... See more keywords
Solid–liquid coupled material point method for simulation of ground collapse with fluidization
Sign Up to like & getrecommendations! Published in 2019 at "Computational Particle Mechanics"
DOI: 10.1007/s40571-019-00249-w
Abstract: An improved version of the solid–liquid coupled material point method (MPM) is proposed to simulate ground collapses with fluidization involving transition processes from soil structures to flowing mixture. A water-saturated soil is assumed based on… read more here.
Keywords: water; liquid coupled; method; solid liquid ... See more keywords
Evaluation of Fluidization Process for Recovery of Metals from Discarded Printed Circuit Boards
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sustainable Metallurgy"
DOI: 10.1007/s40831-019-00242-w
Abstract: Technological advancements and the ever-increasing demand for the latest electronic gadgets lead to the huge generation of waste. Printed circuit boards are key connecting components of any electronic device, and the presence of significant metallic… read more here.
Keywords: circuit boards; discarded printed; printed circuit; fluidization ... See more keywords
Investigating the fluidization of disk-like particles in a fluidized bed using CFD-DEM simulation
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2018.06.017
Abstract: Abstract Fluidization of monodispersed disk-like particles with different aspect ratios in the fluidized bed is simulated by CFD-DEM, with disk-like particles being modeled by the super-ellipsoids. The relatively comprehensive investigations are performed in order to… read more here.
Keywords: disk like; fluidized bed; cfd dem; like particles ... See more keywords
Effect of flow pulsation on fluidization degree of gas-solid fluidized beds by using coupled CFD-DEM
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2018.09.033
Abstract: Abstract In this paper, the effect of inlet flow type on fluidization of a gas-solid fluidized bed was studied by using numerical simulations. Gas-solid fluidized beds are widely used in processes such as heating, cooling,… read more here.
Keywords: velocity; pulsation; gas; gas solid ... See more keywords
The relationship between fluidization velocity and segregation in two-component gas fluidized beds: Density- or size-segregating mixtures
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.10.135
Abstract: Abstract A model is proposed to predict the axial profile of solid concentration obtained by slowly defluidizing a binary mixture from the complete gas fluidized condition down to the fixed state. The model predictions are… read more here.
Keywords: density size; fluidization; gas fluidized; fluidization velocity ... See more keywords
The concentration profile of two-solid beds after slow defluidization: Model and experiment
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2018.11.084
Abstract: Abstract Slow defluidization of a two-solid mixture brings to a fixed bed with a characteristic concentration profile of the two species along the bed height, which is related to the initial and the final fluidization… read more here.
Keywords: profile two; concentration profile; model; two solid ... See more keywords
Fluidization dynamics of cohesive Geldart B particles. Part II: Pressure fluctuation analysis
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DOI: 10.1016/j.cej.2019.02.187
Abstract: Abstract The increase of inter-particle cohesive force greatly changes the fluidization dynamics, finally leading to the partial or complete failure of fluidization. However, few studies concern such transition process. This paper investigates the fluidization dynamics… read more here.
Keywords: fluidization dynamics; bed; fluidization; cohesive force ... See more keywords
Minimum fluidization velocity of binary mixtures of medium particles in the Air Dense medium fluidized bed
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2019.06.005
Abstract: Abstract Minimum fluidization velocity of binary mixtures is one of the most important parameters when applying an Air Dense Medium Fluidized Bed for dry coal beneficiation. Measurements of minimum fluidization velocities were carried out for… read more here.
Keywords: fluidization velocity; minimum fluidization; velocity binary; fluidization ... See more keywords
Characteristics of fluidization and dry-beneficiation of a wide-size-range medium-solids fluidized bed
Sign Up to like & getrecommendations! Published in 2017 at "International journal of mining science and technology"
DOI: 10.1016/j.ijmst.2017.03.013
Abstract: Abstract Wide-size-range medium-solids are used in a modularized coal beneficiation demonstration system with a gas-solid fluidized bed. The characteristics of fluidization and dry-beneficiation of the medium solids were studied. The numerical simulation results show that… read more here.
Keywords: medium solids; bed; fluidization; coal ... See more keywords