相关期刊:《国际计算机前沿大会会议论文集》《CES Transactions on Electrical Machines and Systems》《Chinese Journal of Mechanical Engineering》《Transportation Safety and Environment》更多>>
funded by the National Natural Science Foundation of China(Grant No.12172308);the Provincial Natural Science Foundation of Hunan(Grant No.2023JJ40260).
In this study,the unsteady Reynolds-averaged Navier–Stokes algorithm coupled with the Discrete Phase Model(DPM)was used to study the accumulation of snow in the bogie region of a high-speed train under crosswind cond...
funded by The National Natural Science Foundation of China(Grant No.12172308);the Provincial Natural Science Foundation of Hunan(Grant No.2023JJ40260).
To investigate the influence of snow particle rotational motion on the accumulation of snow in the bogie region of high-speed trains,an Euler‒Lagrange numerical approach is adopted.The study examines the effects of sn...
funded by the Hunan Science and Technology‘Lotus Bud’Talent Support Program(Grant No.2022TJ-XH-009).
Bogie is a pivotal system and plays a critical part in the safety and reliability management of high-speed rail.However,the available bogie system reliability analysis methods lack the consideration of multi-state cha...
Natural Science Foundation of Shandong Province(Grant No.ZR2022ME180),the National Natural Science Foundation of China(Grant No.51705267).
Snow interacting with a high-speed train can cause the formation of ice in the train bogie region and affect its safety.In this study,a wind-snow multiphase numerical approach is introduced for high-speed train bogies...
supported by National Natural Science Foundation of China(12172308);National Key Research and Development Program of China(2020YFA0710902).
Combining the detached eddy simulation(DES)method and Ffowcs Williams-Hawkings(FW-H)equation,the effect of bogie cavity end wall inclination on the flow field and aerodynamic noise in the bogie region is numerically s...
The author sincerely appreciates the help provided by the research team(Wheel/rail interaction,Vibration and Noise Research Team)and CRRC.In addition,this study has also been supported by Science and Technology Research Plan of China Railway General Corporation(No.P2019J002,N2022J009);China Association of Science and Technology Young Talent Support Project(No.2019QNRC001);National Natural Science Foundation(No.U1934203);Sichuan Science and Technology Program(No.2022NSFSC0469,2023NSFSC0374,2023YFH0049).
Purpose–This review aims to give a critical view of the wheel/rail high frequency vibration-induced vibration fatigue in railway bogie.Design/methodology/approach–Vibration fatigue of railway bogie arising from the ...
This work was partly funded by the National Key R&D Project of China(2021YFB3400704);China State Railway Group(K2022J004 and N2023J011);China Railway Chengdu Group(CJ23018).
Purpose–The safety and reliability of high-speed trains rely on the structural integrity of their components and the dynamic performance of the entire vehicle system.This paper aims to define and substantiate the ass...
supported by the National Natural Science Foundation of China under Grant 52107007;the China Scholarship Council under Grant 202008120084;the“Chunhui Plan”Collaborative Research Project of Chinese Ministry of Education under Grant HZKY20220604。
This paper presents the design optimization of a self-circulated ventilation system for an enclosed permanent magnet(PM)traction motor utilized in the propulsion systems for subway trains.In order to analyze accuratel...
supported by the National Railway Group Science and Technology Program(Nos.N2020J026 and N2021J028);the Independent Research and Development Projects of Traction Power State Key Laboratory(No.2022TPL-T02),China。
This paper puts forward a high-speed train bogie active stability method,based on frame lateral vibration control,for improving the stability and critical speed of railway vehicles at high speeds.Two inertial actuator...
This work was supported by the Youth Innovation Promotion Association of the Chinese Academy of Sciences (Grant No. 2019020);the Strategic Priority Research Program of the Chinese Academy of Sciences (Class B) (Grant No. XDB22020000);Informatization Plan of the Chinese Academy of Sciences (Grant No. XXH13506-204).
Bogies are responsible for a significant amount of aerodynamic resistance and noise,both of which negatively affect high-speed train performance and passenger comfort.In the present study,the passive control method is...