Influences of High-Speed Train Speed on Tunnel Aerodynamic Pressures
Applied Sciences, 2021 To comprehensively investigate the characteristics of aerodynamic pressures on a tunnel caused by the whole tunnel passage of a high-speed train at different speeds, we conduct a series of three-dimensional numerical simulations.
Jianming Du +3 more
doaj +2 more sources
Cell-Free Massive MIMO-OFDM for High-Speed Train Communications [PDF]
IEEE Journal on Selected Areas in Communications, 2022 Cell-free (CF) massive multiple-input multiple-output (MIMO) systems show great potentials in low-mobility scenarios, due to cell boundary disappearance and strong macro diversity.
Jiakang Zheng +4 more
semanticscholar +1 more source
Numerical study on aerodynamic resistance reduction of high-speed train using vortex generator
Engineering Applications of Computational Fluid Mechanics, 2023 Vortex generator (VG) is one of the potential technical tools to reduce the aerodynamic resistance of high-speed trains. The passive control resistance reduction research of a high-speed train is carried out by using VG.
Tian Li, Hao Liang, J Zhang, Jiye Zhang
semanticscholar +1 more source
RIS-Aided Next-Generation High-Speed Train Communications: Challenges, Solutions, and Future Directions [PDF]
IEEE wireless communications, 2021 High-speed train (HST) communication is a very challenging scenario in wireless communication systems due to its fast time-varying channels and significant penetration loss.
Heng Liu +5 more
semanticscholar +1 more source
Analysis of the influence of track irregularity on high-speed train ride comfort
Vehicle System Dynamics, 2023 The vibration of high-speed trains induced by track irregularities is a main factor affecting ride comfort. Especially, the long-wavelength track irregularities can reduce the passengers’ ride comfort by increasing the vibration of the high-speed trains.
Xin-biao Xiao +4 more
semanticscholar +1 more source
Recurrent neural network model for high-speed train vibration prediction from time series
Neural computing & applications (Print), 2022 In this article, we want to discuss the use of deep learning model to predict potential vibrations of high-speed trains. In our research, we have tested and developed deep learning model to predict potential vibrations from time series of recorded ...
Jakub Siłka +2 more
semanticscholar +1 more source
Mechanism of high-speed train carbody shaking due to degradation of wheel-rail contact geometry
International Journal of Rail transportation, 2022 The carbody shaking phenomenon (CSP) can greatly reduce the ride comfort of high-speed trains. To investigate the abnormal vibration feature and causes of the CSP, extensive field measurements and numerical simulations were conducted. A three-dimensional
Chao Chang +6 more
semanticscholar +1 more source
On the nonlinear hunting stability of a high-speed train bogie
Nonlinear dynamics, 2022 The hunting phenomenon is an intrinsic swaying motion appearing in railway vehicles due to the vehicle’s forward speed and the wheel–rail contact forces.
A. Bustos +3 more
semanticscholar +1 more source
Energies, 2022 The traction drive system of a high-speed train has a vital role in the safe and efficient operation of the train. This paper established an electromechanical coupling model of a high-speed train. The model considers the interaction of the gear pair, the
Kaifei Zhang +4 more
semanticscholar +1 more source
Exploring the roles of high-speed train, air and coach services in the spread of COVID-19 in China. [PDF]
Transp Policy (Oxf), 2020 Zhang Y, Zhang A, Wang J.
europepmc +2 more sources