Influence of high-speed maglev train speed on tunnel aerodynamic effects

S Han, J Zhang, X Xiong, P Ji, L Zhang… - Building and …, 2022 - Elsevier
When a high-speed maglev train enters a tunnel, the pressure around it rises and changes
quickly. This may lead to serious damage of the train and tunnel structures. With increases of …

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 …

Study on effects of the train-induced airflow on the temperature field of high-speed railway tunnels in cold regions

Y Wei, K Sun, X Zhong, J Jia, Q Huang, J Qin… - Thermal Science and …, 2023 - Elsevier
High-speed railway tunnels in cold regions often suffer severe frost damage in winter. In
these tunnels, the train-induced airflow is generally regarded as an important factor …

Comparative study on the unsteady slipstream induced by a single train and two trains passing each other in a tunnel

W Li, T Liu, Z Chen, Z Guo, X Huo - Journal of Wind Engineering and …, 2020 - Elsevier
The train-induced airflow in a tunnel has great significance for tunnel ventilation, fire rescue,
and equipment installations. In particular, the aerodynamic effects induced by two trains …

Effect of acceleration and deceleration of a capsule train running at transonic speed on the flow and heat transfer in the tube

N Jiqiang, S Yang, Y Qiujun, C Xiaoling… - Aerospace Science and …, 2020 - Elsevier
Acceleration and deceleration are required for train operation, and the flow field around the
train shows strong unsteady characteristics during the acceleration and deceleration …

Numerical study on transient aerodynamic behaviors in a subway tunnel caused by a metro train running between adjacent platforms

X Yang, A Shou, R Zhang, J Quan, X Li, J Niu - … and Underground Space …, 2021 - Elsevier
Aerodynamic effects, including slipstream, piston wind, drag, and pressure wave, in the
tunnel caused by a metro train running between two adjacent platforms were simulated …

Matching of multiple aerodynamic parameters for railway train/tunnel systems to ensure critical airtightness performance of high-speed trains

J Niu, D Lv, R Li, D Zhou, Y Wang, X Yang - Structural and …, 2023 - Springer
This study attempts to employ a multi-objective optimization algorithm and surrogate model
technology to deal with the reasonable matching of key aerodynamic parameters of railway …

Analysis of aerodynamic effects and load spectrum characteristics in high-speed railway tunnels

F Li, J Luo, L Wang, D Guo, L Gao - Journal of Wind Engineering and …, 2021 - Elsevier
To study the aerodynamic effects and load spectra caused by high-speed trains passing
through double-track tunnels, this paper uses unsteady, viscous, compressible Navier …

Aeroheating and aerodynamic performance of a transonic hyperloop pod with radial gap and axial channel: A contrastive study

K Zhou, G Ding, Y Wang, J Niu - Journal of Wind Engineering and Industrial …, 2021 - Elsevier
The aerodynamic characteristics of a hyperloop vehicle with or without channels operating
at subsonic speeds in a low-pressure tube were simulated using a scale-adaptive simulation …

[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 …