Results 31 to 40 of about 7,545 (165)

Study on the Vibration Behaviour of Locomotives Under Wheel Polygon Excitation and Its Quantitative Detection Method

IEEE Access
Wheel polygons can significantly impair the operational quality, service life and ride comfort of railway systems and even threaten the safety of train operations.
Weiwei Gan, Zhonghao Bai, Qinglin Xie, Bingguang Wen, Xinyu Qian, Zhigang Hu, Gongquan Tao, Zefeng Wen, Kan Liu   +8 more
doaj   +1 more source

Research on shear fracture behavior of bolt and design method for retractable coupler

Scientific Reports
To ensure the coupler’s adequate retraction in rail vehicle collisions, this study systematically investigates the shear fracture behavior of bolts, focusing on the effects of geometric parameters and loading dynamics.
Haoxu Ding, Tao Zhu, Long Yang, Xiaorui Wang, Bing Yang, Shoune Xiao, Yi Yang, Yanwen Liu   +7 more
doaj   +1 more source

Thermo-mechanical Coupling of Pantograph-Catenary System under Different Ambient Temperatures

Chengshi guidao jiaotong yanjiu
[Objective] Under extreme ambient temperatures, issues such as excessive temperature rise and intensified contact force fluctuation readily occur in the PC (pantograph-catenary) contact zone.
JIANG Hangyan, ZHOU Ning, GAO Haixiang, LI Mudi, LUO Jianwei, ZHANG Weihua   +5 more
doaj   +1 more source

Impact Response of Composite Material Equipment Cabin Floor Considering Strain Rate Effects

Chengshi guidao jiaotong yanjiu
ObjectiveCFRP (carbon fiber reinforced polymer) and GFRP (glass fiber reinforced polymer) have been applied to the structure of rail transit vehicle equipment cabin.
Yuke WANG, Shoune XIAO, Dongdong CHEN, Chunyan LIU, Tao ZHU, Mingmeng WANG   +5 more
doaj   +1 more source

Review on Rail Damage Detection Technologies for High-Speed Trains

Applied Sciences
From the point of view of the intelligent operation and maintenance of high-speed train tracks, this paper examines the research status of high-speed train rail damage detection technology in the field of high-speed train track operation and maintenance ...
Yu Wang, Bingrong Miao, Ying Zhang, Zhong Huang, Songyuan Xu   +4 more
doaj   +1 more source

Analysis of the Impact of Frog Wear on the Wheel–Rail Dynamic Performance in Turnout Zones of Urban Rail Transit Lines

Lubricants
To investigate how severe wear at No. 12 turnout frogs in an urban rail transit line operating at speeds over 120 km/h on the dynamic performance of the vehicle, a vehicle–frog coupled dynamic model was established by employing the 2021 version of ...
Yanlei Li, Dongliang Zeng, Xiuqi Wei, Xiaoyu Hu, Kaiyun Wang   +4 more
doaj   +1 more source

Kinematic running resistance of an urban rail vehicle undercarriage: a study of the impact of wheel design. [PDF]

Sci Rep, 2023
Semenov S, Mikhailov E, Kovtanets M, Sergienko O, Dižo J, Blatnický M, Gerlici J, Kostrzewski M.   +7 more
europepmc   +1 more source

Possibilities of reducing the number of welds on rail vehicle doors. [PDF]

Sci Rep, 2022
Sigmund M, Spichal J.
europepmc   +1 more source

Theoretical Investigation of Forming Process of Aluminum Alloy Rail Vehicle Side Window. [PDF]

Materials (Basel), 2022
Gu Z, Chen H, Yi L, Tang Z, Wang M, Yu G.   +5 more
europepmc   +1 more source

Crack propagation behavior of laser-MIG hybrid welded joints in 6005 aluminum alloy

Hanjie xuebao
The fatigue crack propagation behavior of laser-MIG hybrid welded joints in 6005A-T6 aluminum alloy is studied. Digital image correlation (DIC) technology is employed to capture the local displacement field near the crack tip during testing, enabling a ...
Ke LYU, Bing YANG, Shuancheng WANG, Shoune XIAO, Guangwu YANG, Tao ZHU   +5 more
doaj   +1 more source