Exploring the roles of high-speed train, air and coach services in the spread of COVID-19 in China. [PDF]
Transp Policy (Oxf), 2020 To understand the roles of different transport modes in the spread of COVID-19 pandemic across Chinese cities, this paper looks at the factors influencing the number of imported cases from Wuhan and the spread speed and pattern of the pandemic.
Zhang Y, Zhang A, Wang J.
europepmc +2 more sources
Fault Diagnosis for High-Speed Train Axle-Box Bearing Using Simplified Shallow Information Fusion Convolutional Neural Network [PDF]
Sensors, 2020 Axle-box bearings are one of the most critical mechanical components of the high-speed train. Vibration signals collected from axle-box bearings are usually nonlinear and nonstationary, caused by the complicated operating conditions.
Honglin Luo +3 more
doaj +2 more sources
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
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Optimization Based High-Speed Railway Train Rescheduling with Speed Restriction [PDF]
Discrete Dynamics in Nature and Society, 2014 A decision support framework with four components is proposed for high-speed railway timetable rescheduling in case of speed restriction. The first module provides the speed restriction information.
Li Wang +4 more
doaj +3 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
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
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
Crystals, 2022 Metal ion modification is considered to be an effective way to construct metal oxides with specific physical and chemical properties. In this paper, we prepare a tungsten oxide (WO3) film co-modified by Co-ion and Mo-ion to serve as the electrochromic ...
Lihong Jia +4 more
doaj +1 more source
In-plane compression property of S-shaped reinforced honeycomb cores
Materials & Design, 2023 Honeycomb structures serve as the core of sandwich structures in various industries, such as aerospace and rail transit. In this study, a novel design was introduced where hexagonal honeycomb cores were flattened in specific areas to form S-shaped ...
Xin Zhou +4 more
doaj +1 more source
Dynamic modeling of a metro vehicle considering the motor–gearbox transmission system under traction conditions [PDF]
Mechanical Sciences, 2022 As a vital means of transportation to alleviate urban traffic congestion, the metro vehicle has been developing rapidly in China during recent years. For the violent vibration and shock under the frequent switches between traction and braking conditions,
T. Zhang +5 more
doaj +1 more source