Review of research on high-speed railway aerodynamics in China

HQ Tian - Transportation Safety and Environment, 2019 - trid.trb.org
High-speed railway aerodynamics is the key basic science for solving the bottleneck
problem of high-speed railway development. This paper systematically summarizes the …

[HTML][HTML] Aerodynamics of railway train/tunnel system: A review of recent research

J Niu, Y Sui, Q Yu, X Cao, Y Yuan - Energy and Built Environment, 2020 - Elsevier
The coupling and complexity of railway train/tunnel system are further aggravated by
increasing train speed, which produces a series of aerodynamics problems, such as …

Numerical analysis of aerodynamic characteristics of high-speed train with different train nose lengths

J Niu, Y Wang, L Zhang, Y Yuan - International Journal of Heat and Mass …, 2018 - Elsevier
In this study, based on the SST κ-ω turbulent model, the IDDES method is used to simulate
the unsteady aerodynamic performance of trains with respect to different lengths of the …

Field study on the interior pressure variations in high-speed trains passing through tunnels of different lengths

TH Liu, XD Chen, W Li, TZ Xie, ZW Chen - Journal of Wind Engineering and …, 2017 - Elsevier
As a high-speed train passes through a tunnel, the intense aerodynamic pressure wave
outside the train penetrates into the passenger compartments, changing the pressure …

Effect of train length on fluctuating aerodynamic pressure wave in tunnels and method for determining the amplitude of pressure wave on trains

J Niu, D Zhou, F Liu, Y Yuan - Tunnelling and Underground Space …, 2018 - Elsevier
In this study, the aerodynamic performance of full-scale trains of different lengths going
through or crossing each other in a tunnel was investigated using sliding mesh technology …

The influence of reduced cross-section on pressure transients from high-speed trains intersecting in a tunnel

Y Lu, T Wang, M Yang, B Qian - Journal of Wind Engineering and Industrial …, 2020 - Elsevier
Alleviation of the pressure transients caused by high-speed trains intersecting in a tunnel
with partially reduced cross-section is investigated by numerical simulation. The RNG k-ε …

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 …

The effect of ground clearance on the aerodynamics of a generic high-speed train

T Dong, G Minelli, J Wang, X Liang… - Journal of Fluids and …, 2020 - Elsevier
The influence of ground clearance on the flow around a simplified high-speed train is
investigated in this paper. Four clearance heights are studied using IDDES. After a grid …

Wave effects in a realistic tunnel induced by the passage of high-speed trains

T Liu, Z Jiang, X Chen, J Zhang, X Liang - Tunnelling and Underground …, 2019 - Elsevier
As a high-speed train passes through a tunnel, aerodynamic pressure waves propagate
backwards and forward in the tunnel, and they persist for a long time after the train is gone …