A review on gravity flow of free-flowing granular solids in silos–Basics and practical aspects

K Saleh, S Golshan, R Zarghami - Chemical Engineering Science, 2018 - Elsevier
This paper provides a review on the flow of free-flowing coarse particles inside silos. Basic
principles and elementary mechanisms involved in gravity flow of granular materials are …

Analysis of granular flow in a pebble-bed nuclear reactor

CH Rycroft, GS Grest, JW Landry, MZ Bazant - Physical Review E—Statistical …, 2006 - APS
Pebble-bed nuclear reactor technology, which is currently being revived around the world,
raises fundamental questions about dense granular flow in silos. A typical reactor core is …

Detailed modeling of the direct reduction of iron ore in a shaft furnace

H Hamadeh, O Mirgaux, F Patisson - Materials, 2018 - mdpi.com
This paper addresses the modeling of the iron ore direct reduction process, a process likely
to reduce CO2 emissions from the steel industry. The shaft furnace is divided into three …

Continuum simulation of the discharge of the granular silo: A validation test for the μ(I) visco-plastic flow law

L Staron, PY Lagrée, S Popinet - The European Physical Journal E, 2014 - Springer
Abstract Using a continuum Navier-Stokes solver with the μ (I) flow law implemented to
model the viscous behavior, and the discrete Contact Dynamics algorithm, the discharge of …

Discrete element method modeling of non-spherical granular flow in rectangular hopper

H Tao, B **, W Zhong, X Wang, B Ren, Y Zhang… - … and Processing: Process …, 2010 - Elsevier
Discrete element method (DEM) was developed to simulate the corn-shaped particles flow
in the hopper. The corn-shaped particle was described by four overlap** spheres. Contact …

Analysis and DEM simulation of granular material flow patterns in hopper models of different shapes

R Balevičius, R Kačianauskas, Z Mroz… - Advanced Powder …, 2011 - Elsevier
By using the discrete element method (DEM) a comparison and observations on material
flow patterns in plane-wedged, space-wedged, and flat-bottomed hopper were accounted …

Granular discharge and clogging for tilted hoppers

HG Sheldon, DJ Durian - Granular Matter, 2010 - Springer
We measure the flux of spherical glass beads through a hole as a systematic function of both
tilt angle and hole diameter, for two different size beads. The discharge increases with hole …

Finite element investigation of the flow and stress patterns in conical hopper during discharge

QJ Zheng, AB Yu - Chemical Engineering Science, 2015 - Elsevier
Precise evaluation of the dynamics of granular material during hopper discharge,
particularly the velocity field coupled with the stress field, has been an important area of …

Effect of hopper angle on granular clogging

D López-Rodríguez, D Gella, K To, D Maza… - Physical Review E, 2019 - APS
We present experimental results of the effect of the hopper angle on the clogging of grains
discharged from a two-dimensional silo under gravity action. We observe that the probability …

Prediction of mass discharge rate in conical hoppers using elastoplastic model

QJ Zheng, BS **a, RH Pan, AB Yu - Powder technology, 2017 - Elsevier
Precise evaluation of mass discharge rate (MDR) in hoppers is an important topic in many
industries. Facilitated by an Eulerian-formulation finite element method (FEM), this paper …