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Out-of-round railway wheels and polygonisation
Out-of-roundness in railway wheels, in particular polygonal wear resulting in regular, multi-
lobed, out-of-round wheels, has become a significant problem in recent years. It is of …
lobed, out-of-round wheels, has become a significant problem in recent years. It is of …
The effect of wheel polygonal wear on temperature and vibration characteristics of a high-speed train braking system
L Zhang, Z Wang, Q Wang, J Mo, J Feng… - Mechanical Systems and …, 2023 - Elsevier
To study the effect of wheel polygonal wear (WPW) on temperature and vibration behaviours
of a high-speed train braking system, a rigid-flexible coupled vehicle system dynamics …
of a high-speed train braking system, a rigid-flexible coupled vehicle system dynamics …
Dynamics modelling and vibration characteristics of urban rail vehicle axle-box bearings with the cage crack
Y Yu, L Guo, Z Chen, H Gao, Z Shi, G Zhang - Mechanical systems and …, 2023 - Elsevier
The cage crack changes the structural stiffness on different components, and therefore
affects its relative contact forces. Furthermore, the crack may cause the fault characteristics …
affects its relative contact forces. Furthermore, the crack may cause the fault characteristics …
Study on dynamic characteristics of urban rail transit vehicle considering faulty axle-box bearings under variable speeds
Axle-box bearing is the key component of urban rail transit vehicles, and its performance
status seriously affects the operation safety and stability of the train. Therefore, analyzing the …
status seriously affects the operation safety and stability of the train. Therefore, analyzing the …
Evolution analysis of wheel polygon wear considering the effect of interharmonics in electrical traction drive system
The formation and development of wheel polygon wear (WPW) present significant
challenges to the safety of railway vehicle operations. It is widely accepted that WPW occurs …
challenges to the safety of railway vehicle operations. It is widely accepted that WPW occurs …
High-order wheel polygonal wear growth and mitigation: A parametric study
W Cai, X Wu, M Chi, HZ Huang - Mechanical Systems and Signal …, 2023 - Elsevier
China's high-speed train experienced severe wheel polygonal wear during the last decade,
the rail localized bending modes (RLBM) were suspected to be the major contributors …
the rail localized bending modes (RLBM) were suspected to be the major contributors …
A long-term tracking test of high-speed train with wheel polygonal wear
W Cai, M Chi, X Wu, J Sun, Y Zhou, Z Wen… - Vehicle System …, 2021 - Taylor & Francis
A long-term tracking test was performed on a newly designed high-speed train with the
nominal speed of 250 km/h. The wheel roughness and structural vibration were both …
nominal speed of 250 km/h. The wheel roughness and structural vibration were both …
Dynamic response of the axle-box bearing of a high-speed train excited by wheel flat
Axle-box bearings are directly affected by wheel–rail impacts as fixedly connected to
wheelset. As an inevitable wheel-failure, wheel flat can cause severe wheel-rail impact …
wheelset. As an inevitable wheel-failure, wheel flat can cause severe wheel-rail impact …
Quantitative detection of locomotive wheel polygonization under non-stationary conditions by adaptive chirp mode decomposition
Wheel polygonal wear is a common and severe defect, which seriously threatens the
running safety and reliability of a railway vehicle especially a locomotive. Due to non …
running safety and reliability of a railway vehicle especially a locomotive. Due to non …
Dynamic behaviours of rack vehicle-track system considering rack flexibility under gear-rack mesh impact
J Ning, Z Chen, Z Chen, J Yang… - International Journal of …, 2024 - Taylor & Francis
There are complex and large gradients for the rack vehicle running on the large mountain
slope line. Under such a circumstance, the driving gear-rack interactions will be more …
slope line. Under such a circumstance, the driving gear-rack interactions will be more …