Design method of the variable cross-section tunnel focused on improving passenger pressure comfort of trains intersecting in the tunnel

T Wang, Y Zhu, X Tian, F Shi, L Zhang, Y Lu - Building and Environment, 2022 - Elsevier
Dramatic pressure changes on train surfaces will propagate into carriages through train
gaps when two trains intersect in a tunnel, which impacts passenger pressure comfort and …

Aerodynamic effects of a high-speed train travelling through adjoining & separated tunnels

W Li, T Liu, P Martinez-Vazquez, Z Chen, Z Guo… - … and Underground Space …, 2021 - Elsevier
This investigation deals with numerical solution of complex aerodynamic interactions
induced by a high-speed train (HST) entering and passing through tunnels with a closely …

Fatigue damage and residual life of secondary lining of high-speed railway tunnel under aerodynamic pressure wave

J Du, Q Fang, G Wang, D Zhang, T Chen - Tunnelling and Underground …, 2021 - Elsevier
To investigate the fatigue behaviours of tunnel secondary lining under the aerodynamic
effects produced by the running high-speed railway (HSR) trains, we proposed a dual …

Air pressure and comfort study of the high-speed train passing through the subway station

C Li, M Liu, R Chang, X Wang, W Liu… - Sustainable Cities and …, 2022 - Elsevier
Subway is an increasingly important means of transportation, the influence of the piston
effect on the train has attracted extensive attention of researchers. Nowadays, the train …

Influences of high-speed train speed on tunnel aerodynamic pressures

J Du, Q Fang, J Wang, G Wang - Applied Sciences, 2021 - mdpi.com
To comprehensively investigate the characteristics of aerodynamic pressures on a tunnel
caused by the whole tunnel passage of a high-speed train at different speeds, we conduct a …

Comparative investigations of pressure waves induced by trains passing through a tunnel with different speed modes

M Zhou, T Liu, Y Xia, W Li, Z Chen - Journal of Central South University, 2022 - Springer
Pressure waves induced by high-speed trains passing through a tunnel have adverse
effects on train structures and passenger comfort. These adverse effects can be alleviated …

Development of a forward design method for train airtightness: A case study of a metro express line

Y Li, Y Liu - Tunnelling and Underground Space Technology, 2024 - Elsevier
Focusing on metro express lines, this study develops a train airtightness forward design
method by deconstructing whole-vehicle pressure change and dynamic sealing index …

Study on aerodynamic pressures caused by double-train tracking operation in a metro tunnel

F Wang, M Weng, K Xiong, J Han, I Obadi… - … and Underground Space …, 2022 - Elsevier
The continuous construction of extra-long metro tunnels and the shortened departure
intervals enable double trains to simultaneously drive in the same tunnel direction to be …

A study on the airtightness of a high-speed train using a reduced-scale method

Y Xia, X Chen, T Liu, M Zhou, H Gao - Measurement, 2022 - Elsevier
The pressure comfort of a high-speed train is closely related to the static and dynamic
airtightness performance of the train carriage, and this performance is studied mainly with …

Effects of ambient pressure on aerodynamic pressures induced by passing metro trains in tunnels

F Liu, F Wang, J Han, S Zhao, M Weng - Tunnelling and Underground …, 2022 - Elsevier
Transient pressure induced by the trains passing through tunnels has a significant influence
on tunnel structural safety. When tunnels are constructed at somewhere with high altitude …