Review of aerodynamics of high-speed train-bridge system in crosswinds

X He, H Li - Journal of Central South University, 2020 - Springer
Serviceability and running safety of the high-speed train on/through a bridge are of major
concern in China. Due to the uncertainty chain of the train dynamic analysis in crosswinds …

The performance of different turbulence models (URANS, SAS and DES) for predicting high-speed train slipstream

S Wang, JR Bell, D Burton, AH Herbst… - Journal of Wind …, 2017 - Elsevier
The air movement induced by a high-speed train (HST) as it passes, the slipstream, is a
safety hazard to commuters and trackside workers, and can cause damage to infrastructure …

A CFD analysis of the aerodynamics of a high-speed train passing through a windbreak transition under crosswind

T Liu, Z Chen, X Zhou, J Zhang - Engineering Applications of …, 2018 - Taylor & Francis
In areas with strong wind, windbreaks are built along railways to reduce the impact of wind
on trains. However, because of the restrictions imposed by actual terrain, windbreak …

Effect of RANS turbulence model on aerodynamic behavior of trains in crosswind

T Li, D Qin, J Zhang - Chinese Journal of Mechanical Engineering, 2019 - Springer
The numerical simulation based on Reynolds time-averaged equation is one of the
approved methods to evaluate the aerodynamic performance of trains in crosswind …

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 …

Evaluation of LES, IDDES and URANS for prediction of flow around a streamlined high-speed train

K He, X Su, G Gao, S Krajnović - Journal of Wind Engineering and …, 2022 - Elsevier
The turbulent flow past a simplified Intercity-Express 3 high-speed train at R e H= 6× 10 4 is
investigated by a combination of wind tunnel experiments and numerical simulations using …

Flow control for aerodynamic drag reduction of a high-speed train with diversion slots on bogie regions

J Zhang, A Adamu, F Gidado, M Tang, O Ozer… - Physics of …, 2023 - pubs.aip.org
A diversion slot is one of the potential mechanical devices to reduce high-speed train
underbody aerodynamic resistance. This research aims to investigate the effectiveness of …

Numerical comparison of aerodynamic performance of stationary and moving trains with or without windbreak wall under crosswind

J Niu, D Zhou, Y Wang - Journal of Wind Engineering and Industrial …, 2018 - Elsevier
The aerodynamic performance of stationary and moving CRH2c trains with or without a
windbreak wall under crosswind was simulated by DDES based on the SST κ-ω turbulence …

Trains in crosswinds–comparison of full-scale on-train measurements, physical model tests and CFD calculations

M Gallagher, J Morden, C Baker, D Soper… - Journal of Wind …, 2018 - Elsevier
In this paper a major series of experiments is described that included extensive full-scale
measurements of cross wind induced pressures on the Class 43 New Measurement Train …

Experimental and numerical research on wind characteristics affected by actual mountain ridges and windbreaks: a case study of the Lanzhou-**njiang high-speed …

Z Chen, T Liu, M Yu, G Chen, M Chen… - … of Computational Fluid …, 2020 - Taylor & Francis
To reduce the impact of a mountain ridge on the crosswind flow field of a specific section of
the Lanzhou-**njiang high-speed railway, a portion of the mountain ridge was removed to …