Browsing NTNU Open by Author "Song, Yang"
Now showing items 1-20 of 25
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Analysis of railway vehicle-track interaction performance in submerged floating tunnel subjected to wave excitations
Song, Yang; Dai, Jian; Lau Leong Lee, Albert (Journal article; Peer reviewed, 2024)Submerged Floating Tunnels (SFTs) are an innovative and appealing solution for the water crossing of railways over wide and deep waterbodies where it is challenging or even impractical to construct conventional bottom-founded ... -
Analysis of railway vehicle-track interaction performance in submerged floating tunnel subjected to wave excitations
Song, Yang; Dai, Jian; Lau, Albert (Peer reviewed; Journal article, 2024)Submerged Floating Tunnels (SFTs) are an innovative and appealing solution for the water crossing of railways over wide and deep waterbodies where it is challenging or even impractical to construct conventional bottom- ... -
Assessment of the Current Collection Quality of Pantograph-Catenary with Contact Line Height Variability in Electric Railways
Song, Yang; Duan, Fuchuan; Wu, Fanping; Liu, Zhigang; Gao, Shibin (Peer reviewed; Journal article, 2021)The numerical tools are widely used to facilitate the design of the railway catenary. Only radical results are obtained as the current assessment is generally performed without any practical errors. In this paper, the most ... -
Assessment of the High-frequency Response in Railway Pantograph-Catenary Interaction Based on Numerical Simulation
Song, Yang; Rønnquist, Anders; Nåvik, Petter Juell (Peer reviewed; Journal article, 2020)The numerical model is a well-acknowledged tool to evaluate railway pantograph-catenary interaction performance. The current standard restricts most current simulation tools by a cut-off frequency of 20 Hz. This low-frequency ... -
A Comparative Study on the Wind Deflection of Railway Overhead Contact Line Based on Empirical Formula and Finite Element Approach
Chu, Wenping; Song, Yang; Liu, Zhigang (Journal article; Peer reviewed, 2021) -
Contact Wire Irregularity Stochastics and Effect on High-speed Railway Pantograph-Catenary Interactions
Song, Yang; Liu, Zhigang; Rønnquist, Anders; Nåvik, Petter Juell; Liu, Zhendong (Peer reviewed; Journal article, 2020)In high-speed rail operations, contact wire irregularity (CWI) in a catenary is a common disturbance to the pantograph-catenary interaction performance, which directly affects the quality of current collection. To describe ... -
Development of steady arm damper for electrified railway overhead contact line with double pantographs based on numerical and experimental analysis
Chu, Wenping; Song, Yang; Duan, Fuchuan; Liu, Zhigang (Peer reviewed; Journal article, 2021)To improve the carrying capacity, double pantographs are normally used to collect the electric current from the catenary. The mechanical wave excited by the leading pantograph affects the contact of the trailing pantograph ... -
Dynamic Performance of High-Speed Railway Overhead Contact Line Interacting With Pantograph Considering Local Dropper Defect
Song, Yang; Liu, Zhigang; Lu, Xiaobing (Peer reviewed; Journal article, 2020)The local dropper defect is the most common fault in the early service stage of the overhead contact line (OCL) system. The plastic deformation and loose of a dropper may cause the variation of the contact line height, ... -
Effect of Overhead Contact Line Pre-Sag on the Interaction Performance with a Pantograph in Electrified Railways
Mei, Guiming; Song, Yang (Journal article; Peer reviewed, 2022) -
Effective Measures to Improve Current Collection Quality for Double Pantographs and Catenary Based on Wave Propagation Analysis
Xu, Zhao; Song, Yang; Liu, Zhigang (Peer reviewed; Journal article, 2020)The pantograph installed on the train roof is responsible for collecting the electrical energy via the sliding contact with the catenary constructed along the railroad. To enhance the carrying capacity of the high-speed ... -
The Effects of Spatially Distributed Damping on the Contact Force in Railway Pantograph-Catenary Interactions
Song, Yang; Jiang, Tengjiao; Rønnquist, Anders; Nåvik, Petter Juell; Frøseth, Gunnstein Thomas (Peer reviewed; Journal article, 2021)According to field measurements, the damping ratio of a railway catenary varies along the span length and shows an inherent uncertainty. In numerical simulations, it is common to assume a constant damping ratio. Herein, a ... -
Geometry deviation effects of railway catenaries on pantograph–catenary interaction: a case study in Norwegian Railway System
Song, Yang; Jiang, Tengjiao; Nåvik, Petter Juell; Rønnquist, Anders (Peer reviewed; Journal article, 2021)This paper presents a non-contact measurement of the realistic catenary geometry deviation in the Norwegian railway network through a laser rangefinder. The random geometry deviation is included in the catenary model to ... -
Identification of short-wavelength contact wire irregularities in electrified railway pantograph–catenary system
Song, Yang; Rønnquist, Anders; Jiang, Tengjiao; Nåvik, Petter Juell (Peer reviewed; Journal article, 2021)The effect of two common types of short-wavelength irregularities (local imperfections and periodic short-wavelength irregularities) of the railway catenary on the pantograph–catenary interaction performance are studied ... -
An Investigation on the Current Collection Quality of Railway Pantograph-catenary Systems with Contact Wire Wear Degradations
Song, Yang; Wang, Hongrui; Liu, Zhigang (Peer reviewed; Journal article, 2021)In railway pantograph-catenary systems, the contact surfaces undergo wear in long-term operations, directly affecting interaction performance and potentially deteriorating the current collection quality. The effect of ... -
A methodology to study high-speed pantograph-catenary interaction with realistic contact wire irregularities
Song, Yang; Antunes, Pedro; Joao, Pombo; Liu, Zhigang (Peer reviewed; Journal article, 2020)In high-speed rail operations, the irregularity of the overhead system is a typical disturbance that affects the pantograph-catenary interaction performance. The existing methods, which treat the contact wire irregularities ... -
Modelling and Analysis of Power-Regenerating Potential for High-Speed Train Suspensions
Wang, Ruichen; Allen, Paul; Song, Yang; Wang, Zhiwei (Peer reviewed; Journal article, 2022)Sustainable technologies in transport systems have attracted significant research efforts over the last two decades. One area of interest is self-powered devices, which reduce system integration complexity and cost with ... -
A Response Spectrum Analysis of Wind Deflection in Railway Overhead Contact Lines Using Pseudo-Excitation Method
Song, Yang; Zhang, Mingjie; Wang, Hongrui (Peer reviewed; Journal article, 2021)The wind deflection of overhead contact lines (OCLs) challenges the stable and safe operation of electrified railways. The steady wind causes the static deflection of the contact line, while the fluctuating wind leads to ... -
The role of crystallinity and particle morphology on the sorption of dibutyl phthalate on polyethylene microplastics: Implications for the behavior of phthalate plastic additives
Yao, Shi; Cao, Huihui; Arp, Hans Peter; Li, Jia; Bian, Yongrong; Xie, Zubin; Cherubini, Francesco; Jiang, Xin; Song, Yang (Peer reviewed; Journal article, 2021)The sorption behavior of phthalate additives in plastic and microplastic litter is an important process controlling the exposure, net health risk and ecotoxicity of these co-occurring pollutants. Plastic crystallinity and ... -
Soil Metabolome Impacts the Formation of the Eco-corona and Adsorption Processes on Microplastic Surfaces
Yao, Shi; Li, Xiaona; Wang, Tao; Jiang, Xin; Song, Yang; Arp, Hans Peter Heinrich (Peer reviewed; Journal article, 2023)The eco-corona on microplastics refers to the initial layer of biomolecular compounds adsorbed onto the surface after environmental exposure. The formation and composition of the eco-corona in soils have attracted relatively ... -
A spatial coupling model to study dynamic performance of pantograph-catenary with vehicle-track excitation
Song, Yang; Wang, Zhiwei; Liu, Zhigang; Wang, Ruichen (Peer reviewed; Journal article, 2021)In the high-speed railway industry, the pantograph-catenary system is responsible to provide continuous electric energy for the high-speed train. The pantograph-catenary system suffers multiple impacts from the complex ...