A novel wake flow control method for drag reduction of a high-speed train with vortex generators installing on streamlined tail nose

J Zhang, F Huang, Y Yu, S Han, Y Ding, G Gao - Physics of Fluids, 2023 - pubs.aip.org
The head/tail of a high-speed train has been designed in a streamlined way to achieve good
aerodynamic performance, which leads to the flow separation point moving close to the tail …

Comparison of aerodynamic performance of high-speed train driving on tunnel-bridge section under fluctuating winds based on three turbulence models

W Yang, H Yue, E Deng, X He, Y Zou… - Journal of Wind …, 2022 - Elsevier
The coupled effect of canyon winds and rapid switching of operating scenes deteriorate the
aerodynamic performance of the high-speed train (HST) running on the tunnel-bridge …

Research on spectral estimation parameters for application of spectral proper orthogonal decomposition in train wake flows

XB Li, G Chen, XF Liang, DR Liu, XH Xiong - Physics of Fluids, 2021 - pubs.aip.org
Coherent structures in surrounding flows around ground vehicles play an important role in
characterizing their aerodynamic features. However, due to restrictions of traditional reduced …

Aerodynamic characteristics of the train–SENB (semi-enclosed noise barrier) system: A high-speed model experiment and LES study

Y Liu, W Yang, E Deng, Y Wang, X He, Y Huang… - Journal of Wind …, 2023 - Elsevier
The aerodynamic effect of a passing high-speed train (HST) may cause structural damage to
the semi-enclosed noise barrier (SENB). Moreover, the rapid variation of the aerodynamic …

[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 …

Effects of incoming free-stream turbulence on the flow dynamics of a square finite wall-mounted cylinder

G Chen, X Li, R Xue, K He, H Wang, X Liang - Physics of Fluids, 2023 - pubs.aip.org
This study attempts to describe associated fluid dynamics of a square finite wall-mounted
cylinder (FWMC) immersed within free-stream turbulent flow characterized by different …

Effect of wing height layout on the aerodynamic performance ofhigh-speed train

X Xiong, J Geng, K Wang, X Wang - … of Numerical Methods for Heat & …, 2024 - emerald.com
Purpose This paper aims to investigate the effect of different wing height layouts on the
aerodynamic performance and flow structure of high-speed train, in a train-wing coupling …

Validation of partially averaged Navier-Stokes and prediction for the turbulent flow past a generic high-speed train with and without yaw angle

J Wang, H Liu, T Dong, K He, J Zhang, G Gao… - International Journal of …, 2024 - Elsevier
The paper presents a numerical investigation into the aerodynamic behaviors of a
representative high-speed train model. A thorough comparison of external flow is carried …

Numerical investigation of flow deflectors for the improvement of condensing air flux through the air-conditioning unit on high-speed trains

X Li, F Wu, Y Tao, M Yang, R Xu, D Vainchtein - Building and Environment, 2022 - Elsevier
It has been observed that the condensing air flux through the air-conditioning (AC) unit on a
running high-speed train significantly decreases due to the shear stream flowing over the …

[HTML][HTML] Computational fluid dynamics prediction of the aerodynamic difference between stationary and moving trains

B Xu, T Liu, Y Xia, W Li, X Huo, H Gao, Z Chen… - Alexandria Engineering …, 2023 - Elsevier
Moving model simulations have been a key method of predicting the aerodynamic
performances of High-Speed Trains (HSTs). Ideally, the aerodynamic characteristics of a …