Experimental Analysis of Rail Contact Fatigue Damage on Frog Rail of Fixed Common Crossing 1:12
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Failure Analysis and Prevention"
DOI: 10.1007/s11668-019-00696-w
Abstract: Assembled fixed common crossings of the steel grade R350HT with high switch angles are subjected to quick rail contact fatigue (RCF) deterioration. The crossings are a significant cost driver in railway maintenance and have an… read more here.
Keywords: rail contact; frog rail; rail; fixed common ... See more keywords
Critical Velocity of Short Floating Slab Track Using Alterable Element Method Considering Wheel-Rail Contact Loss
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Shanghai Jiaotong University (science)"
DOI: 10.1007/s12204-020-2213-0
Abstract: In actual line operation, the critical velocity is one of the key physical quantities of rail design owing to its great influence on the riding comfort and safety of vehicles due to the wheel-rail contact… read more here.
Keywords: rail contact; velocity; critical velocity; wheel rail ... See more keywords
Design, calibration and validation of a wheel-rail contact force measurement system in V-Track
Sign Up to like & getrecommendations! Published in 2021 at "Measurement"
DOI: 10.1016/j.measurement.2021.109105
Abstract: Abstract An innovative downscale test rig called V-Track has been constructed for wheel-rail contact experiments under impact loading conditions. In this paper, a force measurement system termed a dynamometer was developed in V-Track to measure… read more here.
Keywords: wheel; wheel rail; force; rail contact ... See more keywords
On the generation of enhanced lookup tables for wheel-rail contact models
Sign Up to like & getrecommendations! Published in 2019 at "Wear"
DOI: 10.1016/j.wear.2019.202993
Abstract: Abstract In railway dynamics, the interpolation of lookup tables (LUTs) is a procedure utilized to reduce the computational effort when computing the wheel-rail contact forces. However, the generation of LUTs with multiple inputs and multiple… read more here.
Keywords: contact; methodology; generation; rail contact ... See more keywords
Modelling the impact of structural flexibility of wheelsets and rails on the wheel-rail contact and the wear
Sign Up to like & getrecommendations! Published in 2020 at "Wear"
DOI: 10.1016/j.wear.2020.203445
Abstract: Abstract The wear occurring in the wheel-rail contact has a strong impact on the entire railway system consisting of the rolling stock and the infrastructure; essentially, the wear depends on the location of the contact… read more here.
Keywords: wheelsets rails; rail contact; wheel rail;
A semi-analytical numerical method for modelling the normal wheel–rail contact
Sign Up to like & getrecommendations! Published in 2020 at "Vehicle System Dynamics"
DOI: 10.1080/00423114.2020.1854319
Abstract: A new semi-analytical boundary element method is proposed for determining the wheel–rail contact zone and the normal stress distribution within it. The potential contact area is discretised using s... read more here.
Keywords: rail contact; semi analytical; wheel rail; method ... See more keywords
Distribution characteristics of wheel–rail contact under random parameters
Sign Up to like & getrecommendations! Published in 2019 at "Australian Journal of Mechanical Engineering"
DOI: 10.1080/14484846.2017.1299664
Abstract: Abstract The character of wheel–rail contact influences vehicle dynamics performance. Using vehicle–track dynamics theory, we establish a railway vehicle–track dynamics model with a 30t axle load. We analyse the sensitivity of different track and vehicle… read more here.
Keywords: track; rail contact; vehicle; wheel rail ... See more keywords
Thermo-mechanical analysis of train wheel-rail contact using a novel finite-element model
Sign Up to like & getrecommendations! Published in 2020 at "Industrial Lubrication and Tribology"
DOI: 10.1108/ilt-07-2019-0298
Abstract: The purpose of this paper is to develop a novel method for analyzing wheel-rail (W-R) contact using thermo-mechanical measurements and study the effects of heating on the characteristics of W-R contact under different creepages.,This study… read more here.
Keywords: rail contact; model; wheel rail; rail ... See more keywords
Detection of Armature–Rail Contact Instabilities in Electromagnetic Launchers
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3185625
Abstract: This article deals with the detection of asymmetrical current distribution and the inspection of the rail–armature contact during the launch operation of electromagnetic rail launchers. The method puts in relationship electromagnetic quantities and geometric distances… read more here.
Keywords: armature; rail contact; detection armature; rail ... See more keywords
A Novel Method to Search for the Wheel–Rail Contact Point
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Structural Stability and Dynamics"
DOI: 10.1142/s0219455419501426
Abstract: This paper proposed the normal contact searching method (NCSM), a novel method to search for the wheel–rail contact point, which utilizes the normal maximum penetration distance between wheel and rail as the judgment condition. The… read more here.
Keywords: contact; contact point; wheel rail; rail contact ... See more keywords
Traction modelling in train dynamics
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit"
DOI: 10.1177/0954409718795496
Abstract: This paper presents five locomotive traction models for the purpose of train dynamics simulations, such as longitudinal train dynamics simulations. Model 1 is a look-up table model with a constant force limit to represent the… read more here.
Keywords: rail contact; model; wheel rail; train dynamics ... See more keywords