Continuum theory for dense gas-solid flow: A state-of-the-art review

J Wang - Chemical Engineering Science, 2020 - Elsevier
Gas-solid fluidization technology has been commercialized in many industrial applications
since its implementation in the fluid catalytic cracking process in the early 1940s, however …

MFIX documentation theory guide

M Syamlal, W Rogers, TJ OBrien - 1993 - osti.gov
This report describes the MFIX (Multiphase Flow with Interphase exchanges) computer
model. MFIX is a general-purpose hydrodynamic model that describes chemical reactions …

Eulerian two-phase flow theory applied to fluidization

H Enwald, E Peirano, AE Almstedt - International Journal of Multiphase …, 1996 - Elsevier
A general classification of two-phase flows and a number of possible ways to formulate two-
fluid models are discussed. The two-fluid model is adopted, and a general procedure to …

Strongly degenerate parabolic-hyperbolic systems modeling polydisperse sedimentation with compression

EM Tory, KH Karlsen, R Bürger, S Berres - SIAM Journal on Applied …, 2003 - SIAM
We show how existing models for the sedimentation of monodisperse flocculated
suspensions and of polydisperse suspensions of rigid spheres differing in size can be …

Critical comparison of hydrodynamic models for gas–solid fluidized beds—Part I: bubbling gas–solid fluidized beds operated with a jet

DJ Patil, M van Sint Annaland, JAM Kuipers - Chemical engineering …, 2005 - Elsevier
In the Eulerian approach to model gas–solid fluidized beds closures are required for the
internal momentum transfer in the particulate phase. Firstly, two closure models, one semi …

Computer simulation of bubbles in large-particle fluidized beds

D Gera, M Gautam, Y Tsuji, T Kawaguchi, T Tanaka - Powder Technology, 1998 - Elsevier
A distinct element model is used to study the hydrodynamics of large-particle fluidized beds.
The computed bubble rise velocity, voidage variations, averaged particle/particulate and …

Eulerian simulation of bubble formation at a jet in a two-dimensional fluidized bed

A Boemer, H Qi, U Renz - International Journal of Multiphase Flow, 1997 - Elsevier
A promising method to describe the fluid dynamics of highly loaded particle flows is the
Eulerian representation. In this approach, the solid phase is treated as a continuum …

An anisotropic constitutive equation for the stress tensor of blood based on mixture theory

M Massoudi, JF Antaki - Mathematical Problems in …, 2008 - Wiley Online Library
Based on ideas proposed by Massoudi and Rajagopal (M‐R), we develop a model for blood
using the theory of interacting continua, that is, the mixture theory. We first provide a brief …

CFD modeling of binary‐fluidized suspensions and investigation of role of particle–particle drag on mixing and segregation

O Owoyemi, L Mazzei, P Lettieri - AIChE Journal, 2007 - Wiley Online Library
A model is presented for the prediction of the fluid dynamic behaviour of binary suspensions
of solid particles fluidized by Newtonian fluids. The equations of motion for the fluid and solid …

Soft coarse-grained particle model for particle-fluid systems

Y Ye, J Xu, W Ge - Particuology, 2024 - Elsevier
By modeling a group of neighboring real particles as a single coarse-grained particle (CGP),
discrete particle method (DPM) is now capable of simulating industrial-scale particle-fluid …