Analysis of vibration and temperature on the axle box bearing of a high-speed train

Zhiwei Wang, Yao Cheng, Paul Allen, Zhonghui Yin, Dong Zou, Weihua Zhang

Research output: Contribution to journalArticle

Abstract

A three-dimensional, vehicle–track coupled dynamics model has
been developed that accurately reflects the dynamic performance
of a high-speed train during operation. The model includes novel
elements that allow detailed consideration of the transmission system
and axle box bearings with gear time-varying mesh stiffness,
bearing stiffness and bearing clearance. And then, it was extensively
validated by comparing the results of the simulation with those of
experimental tests. The temperature characteristics of the axle box
bearing of the motor car and the trailer were analysed and the mathematical
model was subsequently validated through long-term experimental
field tests. The results indicated that the loads acting on the
axle box bearing closest to the gearbox of the motor car (bearing
1) are significantly higher than those distant to the gearbox (bearing
2), the cause being differences in structural differences, which
also lead to higher local temperatures. Conversely, when considering
the trailer car, the dynamic performance and hence vibration and
temperature of bearing 1 and bearing 2 were almost identical, this
being a result of similarities in their structure and mounting arrangement.
In summary, the temperature and vibration characteristics of
axle box bearing can be used for its related assessment, design and
maintenance.
Original languageEnglish
JournalVehicle System Dynamics
Early online date12 Aug 2019
DOIs
Publication statusE-pub ahead of print - 12 Aug 2019

Fingerprint

Bearings (structural)
Axles
Railroad cars
Light trailers
Temperature
Stiffness
Mountings
Gears
Dynamic models

Cite this

Wang, Zhiwei ; Cheng, Yao ; Allen, Paul ; Yin, Zhonghui ; Zou, Dong ; Zhang, Weihua. / Analysis of vibration and temperature on the axle box bearing of a high-speed train. In: Vehicle System Dynamics. 2019.
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abstract = "A three-dimensional, vehicle–track coupled dynamics model hasbeen developed that accurately reflects the dynamic performanceof a high-speed train during operation. The model includes novelelements that allow detailed consideration of the transmission systemand axle box bearings with gear time-varying mesh stiffness,bearing stiffness and bearing clearance. And then, it was extensivelyvalidated by comparing the results of the simulation with those ofexperimental tests. The temperature characteristics of the axle boxbearing of the motor car and the trailer were analysed and the mathematicalmodel was subsequently validated through long-term experimentalfield tests. The results indicated that the loads acting on theaxle box bearing closest to the gearbox of the motor car (bearing1) are significantly higher than those distant to the gearbox (bearing2), the cause being differences in structural differences, whichalso lead to higher local temperatures. Conversely, when consideringthe trailer car, the dynamic performance and hence vibration andtemperature of bearing 1 and bearing 2 were almost identical, thisbeing a result of similarities in their structure and mounting arrangement.In summary, the temperature and vibration characteristics ofaxle box bearing can be used for its related assessment, design andmaintenance.",
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Analysis of vibration and temperature on the axle box bearing of a high-speed train. / Wang, Zhiwei; Cheng, Yao; Allen, Paul; Yin, Zhonghui; Zou, Dong; Zhang, Weihua.

In: Vehicle System Dynamics, 12.08.2019.

Research output: Contribution to journalArticle

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