A review of railway sanding system research: wheel/rail isolation, damage, and particle application

WA Skipper, A Chalisey… - … Part F: Journal of Rail and …, 2020 - journals.sagepub.com
This paper reviews the academic and industrial research conducted into the practical
aspects of using abrasive particles in the wheel/rail contact, such as: wheel/rail isolation …

Numerical investigation of heat conduction in heterogeneous media with a discrete element method approach

H Haddad, W Leclerc, GA Hassan, A Ammar… - International Journal of …, 2021 - Elsevier
Composite materials have been widely used across industry sectors. However, they are
characterized by a variability of thermal conductivity with the architecture and manufacturing …

DEM ball bearing model and defect diagnosis by electrical measurement

K Bourbatache, M Guessasma, E Bellenger… - … Systems and Signal …, 2013 - Elsevier
We propose in this paper a new method for the monitoring and diagnosis of bearing defects
which utilises the sensitivity and the richness of the local electrical signature of the ball …

[HTML][HTML] DEM simulation of single sand grain crushing in sanded wheel–rail contacts

B Suhr, WA Skipper, R Lewis, K Six - Powder Technology, 2024 - Elsevier
In railways, low adhesion conditions lead to problems in braking and traction. Sanding
increases adhesion by blasting sand grains towards the wheel–rail contact. Which physical …

Multiphysical modeling of third-body rheology

M Renouf, HP Cao, VH Nhu - Tribology International, 2011 - Elsevier
As the rheology of the third body does not only depend on its mechanical properties,
classical discrete element simulations are not capable of modeling its flows. Consequently …

Track circuit reliability assessment for preventing railway accidents

JL Wybo - Safety science, 2018 - Elsevier
The safe operation of a railway signaling system depends on accurate and up-to-date
information on the position and movements of trains provided by train detection devices …

Numerical modelling of particle entrainment in the wheel–rail interface

S Maramizonouz, S Nadimi, WA Skipper… - Computational Particle …, 2023 - Springer
The process of applying sand particles to increase the traction between wheel and rail is
reported to be less than 20% efficient. To better understand entrainment efficiency, the …

CFD-DEM modelling of particle entrainment in wheel–rail interface: a parametric study on train characteristics

S Maramizonouz, S Nadimi, R Lewis - Acta Mechanica, 2024 - Springer
Rail-sanding is employed to improve the train's wheel–rail traction loss in low adhesion
conditions. This can significantly impede trains' kinematics, operation, and performance by …

Electromechanical modeling by DEM for assessing internal ball bearing loading

C Machado, M Guessasma, E Bellenger - Mechanism and Machine Theory, 2015 - Elsevier
A numerical approach makes electrical measurements in a rotating ball bearing, in order to
characterize the loading state of the bearing and to detect any defects. The ball bearing is …

How vorticity and agglomeration control shear strength in soft cohesive granular flows

O Bouillanne, G Mollon, A Saulot, S Descartes… - Granular Matter, 2022 - Springer
Deformable granular flows present complex kinematics. These materials can have various
flow regimes: plastic, agglomerated, rigid-like granular flow, etc. In this paper, a multibody …