Numerical study on aerodynamic resistance reduction of high-speed train using vortex generator

T Li, H Liang, J Zhang, J Zhang - Engineering Applications of …, 2023 - Taylor & Francis
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 …

Improved particle swarm optimization algorithms for aerodynamic shape optimization of high-speed train

Z He, T Liu, H Liu - Advances in engineering software, 2022 - Elsevier
In this paper, improved particle swarm optimization algorithms are presented for improving
the aerodynamic optimization efficiency of a high-speed train head shape. A hybrid particle …

Research Progress of Aerodynamic Multi-Objective Optimization on High-Speed Train Nose Shape.

Z Dai, T Li, W Zhang, J Zhang - CMES-Computer Modeling in …, 2023 - search.ebscohost.com
The aerodynamic optimization design of high-speed trains (HSTs) is crucial for energy
conservation, environmental preservation, operational safety, and speeding up. This study …

[HTML][HTML] Reducing the aerodynamic drag of high-speed trains by air blowing from the nose part: Effect of blowing speed

ZW Chen, GZ Zeng, YQ Ni, TH Liu, JQ Niu… - Journal of Wind …, 2023 - Elsevier
To reduce the aerodynamic drag of high-speed trains, this work proposes an air blowing
configuration on the head and tail cars of high-speed trains. The variation in the …

Aerodynamic drag reduction of high-speed maglev train based on air blowing/suction

ZX Che, S Huang, ZW Li, ZW Chen - Journal of Wind Engineering and …, 2023 - Elsevier
The significant increase in aerodynamic drag is still a key problem restricting the further
speed increase of maglev trains. The Improved Detached Eddy Simulation (IDDES) …

Research progress in aerodynamic optimization of high-speed trains

S Zhenxu, Y Yongfang, G Dilong… - Chinese Journal of …, 2021 - lxxb.cstam.org.cn
With the increase of running speed, high-speed trains have higher requirement for
aerodynamic shape. The pursuit of excellent performance and beautiful aerodynamic shape …

Research on the impact of air-blowing on aerodynamic drag reduction and wake characteristics of a high-speed maglev train

ZX Che, ZW Chen, YQ Ni, S Huang, ZW Li - Physics of Fluids, 2023 - pubs.aip.org
The maglev train fills the speed gap between ground transportation and airplanes. However,
the increasing train speed results in greater energy losses due to increased aerodynamic …

The effect of covering structure in pantograph sinking platform on the aerodynamics of high-speed train

H Liu, S Zhang, X Liang, Y Zou - Engineering Applications of …, 2022 - Taylor & Francis
The aerodynamic drag of pantograph system hinders the increase of train operating speed,
which can be reduced by the covering structure proposed in this study. Exploring the drag …

Comparative analysis of the aerodynamic characteristics on double-unit trains formed by different types of high-speed train

X Huo, T Liu, Z Chen, W Li, H Gao, S Wang - Journal of Wind Engineering …, 2021 - Elsevier
Double-unit trains composed of the same type of high-speed trains (HSTs) are relatively
common. The connection of different types of trains, however, has been rarely studied …

[HTML][HTML] Contribution of computational wind engineering in train aerodynamics—past and future

H Hemida - Journal of Wind Engineering and Industrial …, 2023 - Elsevier
This paper provides an overview to all the published computational work in the Journal of
Wind Engineering and Industrial Aerodynamics in the field of train aerodynamics since …