Results 21 to 30 of about 320 (176)

Modeling of high-speed wheel-rail rolling contact on a corrugated rail and corrugation development [PDF]

Journal of Zhejiang University Science A, 2014
Short pitch rail corrugations were observed on a recently opened Chinese high-speed line. On the basis of field measurements and observations of corrugations occurred on the high-speed line, a 3D transient rolling contact model is developed using the explicit finite element (FE) method to investigate high-speed vehicle-track interactions in the ...
openaire   +1 more source

A Methodology for Continuous Monitoring of Rail Corrugation on Subway Lines Based on Axlebox Acceleration Measurements

Applied Sciences, 2023
Rail corrugation is a degradation phenomenon that manifests as a quasi-periodic irregularity on the running surface of the rail. It is a critical problem for urban railway lines because it induces ground-borne vibrations transmitted to the buildings near
Leonardo Faccini, Jihad Karaki, Egidio Di Gialleonardo, Claudio Somaschini, Marco Bocciolone, Andrea Collina   +5 more
doaj   +1 more source

Nonlinear dynamic responses of locomotive excited by rail corrugation and gear time-varying mesh stiffness

Transport, 2022
Rail corrugation is usually generated in modern railway transportations, such as high-speed railway, urban railway, and heavy-haul railway. It is one of the major excitations to the wheel–rail dynamic interaction, which will cause extra vibration and ...
Zaigang Chen, Jie Zhang, Kaiyun Wang, Pengfei Liu   +3 more
doaj   +1 more source

Dynamic characteristics and growth curve of rail corrugation at saturation stage

Nihon Kikai Gakkai ronbunshu, 2021
Rail corrugation, which causes the vibration and the noise, is a phenomenon in which roughness patterns of approximately regular wavelengths are formed on the rail running surface by trains running.
Mitsuo ABOSHI, Hirofumi TANAKA
doaj   +1 more source

Influence of rail corrugation on the vertical jumping behavior of high-speed vehicles at 400 km/h on ballastless tracks

KSCE Journal of Civil Engineering
This study investigates the impact of rail corrugation on rail jumping behavior in 400 km/h high-speed trains. A vertical vibration model of the high-speed vehicle-CRTS III slab ballastless track was created using multi-body dynamics and finite element ...
Kai Gong, Jiangling Luo, Zeyu Yang, Wenxu Kuang   +3 more
doaj   +1 more source

DISCUSSION. RAIL-STEELS FOR ELECTRIC RAILWAYS AND RAIL-CORRUGATION AND ITS CAUSE. [PDF]

Minutes of the Proceedings of the Institution of Civil Engineers, 1914
n ...
Strain, J., Ellis, W. H., Burnett, R. H., Dawson, W., Aspinall, J. A. F., Trench, E. C., Tempest, P. C., Sandberg, C. P., Worthington, W. B., Beaumont, W. W., Wilson, C. A. C., Hadfield, W. J., Szlumper, A. W., Morgan, C. L., Fell, A. L. C., Cooper, A. R., Willox, W., Brown, P. B., Ball, J. B., Lawson, A. J., Wakelam, H. T., Sellon, S. P. W. D. A., Grierson, W. W., Shortt, W. H.   +23 more
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Cause Analysis of Rail Corrugation in Metro Lines Based on System Vibration Characteristics

Chinese Journal of Mechanical Engineering
The mechanism of rail corrugation remains unclear, and the research methods require improvement. The vibration characteristics represent the system’s external manifestations, but a comprehensive analysis is still lacking.
Zhiqiang Wang, Zhenyu Lei, Yanyun Luo
doaj   +1 more source

Rail Corrugation Characteristics of Cologne Egg Fastener Section in Small Radius Curve

Shock and Vibration, 2020
By analyzing the measured data of rail corrugation in a small radius curve track with Cologne fasteners, the typical passing frequencies of corrugation were obtained.
Zhiqiang Wang, Zhenyu Lei, Yang Zhao, Yao Xu   +3 more
doaj   +1 more source

Railscan: A Tool for the Detection and Quantification of Rail Corrugation [PDF]

, 2010
Rail corrugation is a phenomenon that leads to a waving in the rails with wavelengths typically between 3 cm and 100 cm and amplitude levels of several microns. The genesis of this waving is complex. Rail corrugation is a recognized problem that leads to excess vibration on the rails and vehicles to a point of reducing their life span and compromising ...
Rui Gomes, Arnaldo Batista, Manuel Duarte Ortigueira, Raul Tello Rato, Marco Baldeiras   +4 more
openaire   +1 more source

Multidimensional and Multifunctional Laser‐Induced Graphene (LIG) for Point‐of‐Care and Wearable Biosensing, Theranostics, and Bioactive Interfaces Toward Personalized Healthcare and Regenerative Medicine

Advanced Science, EarlyView.
Multidimensional laser‐induced graphene (LIG) spanning from 0D to 3D architectures is comprehensively reviewed for multifunctional biomedical platforms, including biosensing, theranostics, and bioactive interface applications, which highlights its potentials for point‐of‐care diagnostics, wearable health monitoring, smart drug delivery, and tissue ...
Li Zhang, Yurou Yuan, Xiaohong Ding, Wing Cheung Mak   +3 more
wiley   +1 more source