Evaluation of boundary conditions used to model dilute, turbulent gas/solids flows in a pipe
S Benyahia, M Syamlal, TJ O'Brien - Powder Technology, 2005 - Elsevier
A turbulent gas/solids model, based on the work of Simonin [Simonin, O., 1996. Continuum
modeling of dispersed two-phase flows, in Combustion and Turbulence in Two-Phase …
modeling of dispersed two-phase flows, in Combustion and Turbulence in Two-Phase …
Study of the ability of multiphase continuum models to predict core‐annulus flow
S Benyahia, M Syamlal, TJ O'Brien - AIChE Journal, 2007 - Wiley Online Library
We use the well established core‐annulus flow regime as a numerical benchmark to
evaluate the sensitivity of gas–solids continuum models and boundary conditions to model …
evaluate the sensitivity of gas–solids continuum models and boundary conditions to model …
An assessment of drag models in eulerian–eulerian cfd simulation of gas–solid flow hydrodynamics in circulating fluidized bed riser
Accurate prediction of the hydrodynamic profile is important for circulating fluidized bed
(CFB) reactor design and scale-up. Multiphase computational fluid dynamics (CFD) …
(CFB) reactor design and scale-up. Multiphase computational fluid dynamics (CFD) …
Effects of the T-abrupt exit configuration of riser on fuel properties, combustion characteristics and NOx emissions with coal self-preheating technology
H Ding, Z Ouyang, Y Shi, R Chen, Z Zhang, S Zhu… - Fuel, 2023 - Elsevier
NO x generated from coal combustion brings about severe environmental problems. Among
many combustion technologies, coal self-preheating combustion technology is valued for its …
many combustion technologies, coal self-preheating combustion technology is valued for its …
Two-dimensional and three-dimensional computational studies of hydrodynamics in the transition from bubbling to circulating fluidised bed
This paper applies two-fluid modelling (TFM) to a two-dimensional and three-dimensional
circulating fluidised bed (CFB). An energy minimisation multiscale (EMMS) based drag …
circulating fluidised bed (CFB). An energy minimisation multiscale (EMMS) based drag …
Experiment and multiphase CFD simulation of gas-solid flow in a CFB reactor at various operating conditions: Assessing the performance of 2D and 3D simulations
Accurate prediction of gas-solid flow hydrodynamics is key for the design, optimization, and
scale-up of a circulating fluidized bed (CFB) reactor. Computational fluid dynamics (CFD) …
scale-up of a circulating fluidized bed (CFB) reactor. Computational fluid dynamics (CFD) …
PEPT study of particle motion for different riser exit geometries
Laboratory and industrial risers are equipped with exits of many different layouts, and
numerous publications discuss the influence of riser exit geometry on local and overall …
numerous publications discuss the influence of riser exit geometry on local and overall …
Effects of the riser exit geometries on the hydrodynamics and solids back-mixing in CFB risers: 3D simulation using CPFD approach
X Shi, Y Wu, X Lan, F Liu, J Gao - Powder technology, 2015 - Elsevier
Abstract With the Computational Particle Fluid Dynamic (CPFD), which is based on the
scheme of Multi-Phase Particle-In-Cell (MP-PIC), the present work studied the flow …
scheme of Multi-Phase Particle-In-Cell (MP-PIC), the present work studied the flow …
CFD study of exit effect of high-density CFB risers with EMMS-based two-fluid model
It has been widely recognized that the exit geometry of circulating fluidized bed (CFB) risers
may have significant effects on the hydrodynamics of gas–solid flow. However, a …
may have significant effects on the hydrodynamics of gas–solid flow. However, a …
Comparison of Eulerian–Lagrangian and Eulerian–Eulerian method for dilute gas–solid flow with side inlet
SNP Vegendla, GJ Heynderickx, GB Marin - Computers & chemical …, 2011 - Elsevier
A Eulerian–Lagrangian method is implemented to simulate turbulent two-phase gas–solid
riser flow, using a mean-field/probability density function (PDF) method. The mean-field …
riser flow, using a mean-field/probability density function (PDF) method. The mean-field …