The effect of particle shape on discharge and clogging
Granular flow is common across different fields from energy resource recovery and mineral
processing to grain transport and traffic flow. Migrating particles may jam and form arches …
processing to grain transport and traffic flow. Migrating particles may jam and form arches …
Clogging transition of vibration-driven vehicles passing through constrictions
GA Patterson, PI Fierens, F Sangiuliano Jimka… - Physical review …, 2017 - APS
We report experimental results on the competitive passage of elongated self-propelled
vehicles rushing through a constriction. For the chosen experimental conditions, we observe …
vehicles rushing through a constriction. For the chosen experimental conditions, we observe …
Intermittent flow and transient congestions of soft spheres passing narrow orifices
Soft, low-friction particles in silos show peculiar features during their discharge. The outflow
velocity and the clogging probability both depend upon the momentary silo fill height, in …
velocity and the clogging probability both depend upon the momentary silo fill height, in …
Effect of hopper angle on granular clogging
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 …
discharged from a two-dimensional silo under gravity action. We observe that the probability …
Role of cohesion in the flow of active particles through bottlenecks
We experimentally and numerically study the flow of programmable active particles (APs)
with tunable cohesion strength through geometric constrictions. Similar to purely repulsive …
with tunable cohesion strength through geometric constrictions. Similar to purely repulsive …
Silo outflow of soft frictionless spheres
Outflow of granular materials from silos is a remarkably complex physical phenomenon that
has been extensively studied with simple objects like monodisperse hard disks in two …
has been extensively studied with simple objects like monodisperse hard disks in two …
Analysis of the load exerted by debris flows on filter barriers: Comparison between numerical results and field measurements
A Leonardi, M Pirulli - Computers and Geotechnics, 2020 - Elsevier
The hazard posed by debris flows onto mountainous settlements often requires structural
countermeasures, such as barriers, to be installed. There is a worldwide trend in employing …
countermeasures, such as barriers, to be installed. There is a worldwide trend in employing …
A nonlinear elasto-plastic bond model for the discrete element modeling of woody biomass particles
This work presents an experiment-informed, semi-empirical, elasto-plastic bond model for
the discrete element modeling of woody biomass particles. The model renders nonlinear …
the discrete element modeling of woody biomass particles. The model renders nonlinear …
Kinematics and shear-induced alignment in confined granular flows of elongated particles
The kinematics and the shear-induced alignment of elongated particles in confined,
heterogeneous flow conditions are investigated experimentally. Experiments are conducted …
heterogeneous flow conditions are investigated experimentally. Experiments are conducted …
Study of the discharge behavior of Rosin-Rammler particle-size distributions from hopper by discrete element method: A systematic analysis of mass flow rate …
In the present work, the discrete element method (DEM) is used to investigate the behaviour
of Rosin-Rammler (RR) particle size distribution (PSD) during hopper discharge. The study …
of Rosin-Rammler (RR) particle size distribution (PSD) during hopper discharge. The study …