Comparative research of the effect of the unilateral vertical slope at tunnel portals on aerodynamic performances of trains

Y Ma, T Liu, Y Xia, H Gao, B Xu, X Chen, Z Guo… - Journal of Wind …, 2024 - Elsevier
This study set out to explore the effect of a unilateral vertical slope terrain at tunnel portals on
the aerodynamic performances and operating stability of a train through a single-track …

Piecewise linear representation of pressure wave data of high-speed trains traveling through tunnels

Y Xia, T Liu, X Wang, Z Chen, B Xu, Z Guo… - Journal of Central South …, 2023 - Springer
Piecewise linear representation (PLR) techniques have been widely adopted to
recharacterize high-dimensionality time series data in numerous fields for purposes of …

Field study on the through-draught characteristics and its influencing factors in subway carriages

T Wang, W Han, Y Lu, W Dai, Z Chen, F Shi… - … and Underground Space …, 2024 - Elsevier
The through-draught effect inside a subway significantly impacts the flow field profile, thus
causing a potential threat to pollutant dispersion and human health. This study conducted …

Mitigating aerodynamic effects through segment length allocation of variable cross-section tunnels

W Li, Y Gu, T Liu, Y Deng, W Zhao, X Fan - Tunnelling and Underground …, 2025 - Elsevier
In constructing high-speed railway tunnels, reconciling excavation volume with aerodynamic
performance poses a fundamental challenge. The tunnel design with non-uniform cross …

Alleviating tunnel aerodynamics through hybrid suction & blowing techniques applied to train nose sections

W Li, Y Gu, W Zhao, Y Deng, X Fan - Journal of Wind Engineering and …, 2025 - Elsevier
As high-speed railway lines upgrade speeds or develop ultra-high-speed trains, traditional
passive measures may struggle to address tunnel aerodynamics and passenger comfort …

Mitigation of train-tunnel aerodynamics through active airflow control at front and rear noses: Impact of slit area

W Li, Y Gu, H Su, W Zhao, Y Deng, X Fan - Physics of Fluids, 2024 - pubs.aip.org
As railway transportation advances toward higher speeds, traditional passive measures may
struggle to meet the stringent aerodynamic criteria in tunnels, necessitating the exploration …

Aerodynamic effects of trains circulating through a bifurcated tunnel

F Fang, T Liu, Y Xia, B Xu, X Wang, X Huo… - Journal of Central South …, 2024 - Springer
In practice, bifurcated railway tunnels are occasionally employed in the construction of long
tunnels due to specific geological reasons. However, the aerodynamic behaviors of trains …