Freight train air brake models

Q Wu, C Cole, M Spiryagin, C Chang… - … Journal of Rail …, 2023 - Taylor & Francis
This paper is an outcome of an international collaborative research initiative. Researchers
from 24 institutions across 12 countries were invited to discuss the state-of-the-art in railway …

A benchmarking methodology for top-of-rail products: Carry distance and retentivity

R Galas, M Valena, T Jordan, D Kvarda, M Omasta… - Tribology …, 2024 - Elsevier
Abstract Top-of-rail (TOR) products are used in railways to reduce wear and noise by
providing an intermediate friction level and a positive creep curve. In addition to these …

An approach for the creep-curve assessment using a new rail tribometer

M Valena, M Omasta, D Kvarda, R Galas, I Krupka… - Tribology …, 2024 - Elsevier
The friction properties of the wheel-rail contact are characterized by a coefficient of traction
(CoT), which can be affected by many contaminants. Numerous devices for assessing CoT …

[HTML][HTML] Hand operated tribometer versus twin disc dry friction characteristics measurements

E Bernal, M Spiryagin, K Oldknow, Q Wu, M Rahaman… - Wear, 2024 - Elsevier
Accurate friction-slip modelling is particularly important for locomotive traction and rail
damage studies. This paper compares friction-slip measurement results from a hand …

Analysis of Traction Coefficient Subject to Rail Cleaning Effect Based on Tribomachine Measurements

E Bernal, D Camacho, ML Rahaman… - Experimental …, 2024 - Springer
The proper representation of friction contact conditions between each wheel and the rail is
necessary to accurately model the behaviour of a heavy haul locomotive since friction …

Hand operated tribometer versus twin disc dry friction characteristics measurements

E Bernal Arango, M Spiryagin, K Oldknow, Q Wu… - 2024 - acquire.cqu.edu.au
Accurate friction-slip modelling is particularly important for locomotive traction and rail
damage studies. This paper compares friction-slip measurement results from a hand …

Analysis of Traction Coefficient Subject to Rail Cleaning Effect Based on Tribomachine Measurements

E Bernal Arango, D Camacho, M Rahaman… - 2024 - acquire.cqu.edu.au
The proper representation of friction contact conditions between each wheel and the rail is
necessary to accurately model the behaviour of a heavy haul locomotive since friction …