Study on the effect of dimple position on drag reduction of high-speed maglev train

D Zhou, L Wu, C Tan, T Hu - Transportation Safety and …, 2021 - academic.oup.com
Transient numerical simulations were carried out by placing dimples at the top, sides and
bottoms of the tail car streamline area of a high-speed maglev train. The results of an …

Influence of wind and rain environment on operational safety of intercity train running on the viaduct

GZ Zeng, ZW Li, S Huang, ZW Chen - … Methods for Heat & Fluid Flow, 2023 - emerald.com
Purpose Based on the aerodynamic loads and dynamic performances of trains, this study
aims to investigate the effect of crosswinds and raindrops on intercity trains operating on …

Influence of bolster-hanger length on the dynamic performance of high-speed EMS maglev vehicles

Y Feng, C Zhao, X Liang, Z Jiang - Vehicle System Dynamics, 2022 - Taylor & Francis
To investigate the dynamic effects of bolster-hanger length on the 600 km/h high-speed EMS
maglev vehicles, a dynamic model of three-car trainset is established, considering the …

Dynamic stability of an electromagnetic suspension maglev vehicle under steady aerodynamic load

H Wu, XH Zeng, DG Gao, J Lai - Applied Mathematical Modelling, 2021 - Elsevier
In this study, the suspension stability of a maglev vehicle is investigated under steady
aerodynamic load. The dynamics of the maglev vehicle in the vertical direction are modelled …

Influence of the suspension gap on the wake characteristics of a 600 km/h superconducting maglev train

TT Lin, MZ Yang, L Zhang, TT Wang, DR Liu, Y Tao… - Physics of …, 2024 - pubs.aip.org
Although the suspension gap between a maglev train and its track is narrow, it has a
significant impact on the aerodynamic performance of the train. This study investigated the …

Multi-objective aerodynamic shape optimization of a streamlined high-speed train using Kriging model

L Zhang, Z Dai, T Li, J Zhang - Journal of Zhejiang University-SCIENCE A, 2022 - Springer
With continuous changes to energy-saving requirements, the task of train aerodynamic
optimization becomes important. Traditional aerodynamic optimization of a high-speed train …

Periodic response and stability of a maglev system with delayed feedback control under aerodynamic lift

H Wu, XH Zeng, DG Gao - International Journal of Structural …, 2021 - World Scientific
In this research, the periodic response and stability of a nonlinear maglev system under the
combined effects of steady and unsteady aerodynamic lifts is investigated, considering time …

Vibration control of disturbance gap for maglev vehicle considering stiffness change under unsteady aerodynamic forces

C Liu, H Su, C Wang, L Sun - Nonlinear Dynamics, 2023 - Springer
The unsteady aerodynamic force on a maglev vehicle increases sharply with the increase in
speed of the maglev vehicle, which can increase the difficulty of electromagnetic suspension …

Numerical investigation into characteristics of far-field aerodynamic noise radiated by inter-coach space of high-speed maglev trains

R Wang, J Huang - Noise & Vibration Worldwide, 2022 - journals.sagepub.com
Self-sustain oscillation leads to aerodynamic noise at inter-coach space. It can be seen from
existing literature that the aerodynamic noise at inter-coach space has already become an …

Unraveling the impact of cutting transition section on the aerodynamic loads of high-speed trains: Utilizing the IDDES approach

L Zhao, E Deng, W Yang, Y Ni, W Zhao… - Journal of Central South …, 2024 - Springer
The aerodynamic load of high-speed trains (HSTs) undergoes significant changes when
they pass through the transition section of the cutting under crosswind conditions. This paper …