A review of dynamics modelling of friction draft gear

Q Wu, C Cole, S Luo, M Spiryagin - Vehicle System Dynamics, 2014 - Taylor & Francis
Longer and heavier trains mean larger in-train forces and more complicated force patterns.
Practical experience indicates that the development of fatigue failure of coupling systems in …

Alternative friction models for braking train dynamics

RA Oprea, C Cruceanu, MA Spiroiu - Vehicle System Dynamics, 2013 - Taylor & Francis
Braking dynamics plays an essential role in ensuring the comfort and running safety of
trains. Due to the complexity of the phenomena involved and the presence of dry friction …

Influence of quick release valve on braking performance and coupler force of heavy haul train

W Wei, Y Zhang, J Zhang, X Zhao - Railway Engineering Science, 2023 - Springer
We establish a simulation model based on the theory of air flow to analyze the accelerated
release effect of the quick release valve inside the air brake control valve. In addition, the …

Development and validation of a new code for longitudinal train dynamics simulation

N Bosso, M Magelli, N Zampieri - … Part F: Journal of Rail and …, 2021 - journals.sagepub.com
Longitudinal train dynamics have a significant impact on both safety and performance of
railway systems. Numerical simulation of long heavy haul trains can thus provide essential …

The influence of resistant force equations and coupling system on long train dynamics simulations

N Bosso, M Magelli, L Rossi Bartoli… - Proceedings of the …, 2022 - journals.sagepub.com
In the simulation of the longitudinal dynamics of long trains, the modeling of the resistant
forces and of the coupling system are two essential aspects. The modeling of the resistant …

Train braking

C Cruceanu, X Perpinya - Relaibility and safety in railway, Intech, 2012 - books.google.com
Train braking is a very complex process, specific to rail vehicles and of great importance by
the essential contribution on the safety of the traffic. This complexity results from the fact that …

A constrained motion perspective of railway vehicles collision

RA Oprea - Multibody System Dynamics, 2013 - Springer
Impacts, friction, and normal contact forces occur in the railway vehicles couplers. This paper
presents a novel nonsmooth model of the train collision; until now, only penalized models …

Study on the strength of the brake pad of a freight wagon under uneven loading in operation

S Panchenko, J Gerlici, A Lovska, V Ravlyuk, J Dižo… - Sensors, 2024 - mdpi.com
The paper highlights the results of determining the strength of the brake pad of a freight
wagon under uneven loading in operation. The main reasons for the uneven loading on the …

Analysis of Asymmetric Wear of Brake Pads on Freight Wagons despite Full Contact between Pad Surface and Wheel

S Panchenko, J Gerlici, A Lovska, V Ravlyuk, J Dižo… - Symmetry, 2024 - mdpi.com
This article presents the results of a study focused on identifying the main causes of the
asymmetric (clinodual) wear of composite brake pads on freight wagons. A new scientific …

Detecting the influence of uneven loading of the brake shoe in a freight car bogie on its strength

S Panchenko, A Lovska, V Ravlyuk, A Babenko… - 2023 - lib.kart.edu.ua
EN: The object of the study is the processes of occurrence, perception, and redistribution of
loads in the brake shoe of a freight car bogie during braking. In order to ensure the safety of …