Turbulence approaches for numerical predictions of vehicle-like afterbody vortex flows
The numerical prediction of aerodynamic characteristics for vehicles is crucial to both
industry and academia, with various numerical approaches playing a critical role in …
industry and academia, with various numerical approaches playing a critical role in …
Effect of wing height layout on the aerodynamic performance ofhigh-speed train
X Xiong, J Geng, K Wang, X Wang - … of Numerical Methods for Heat & …, 2024 - emerald.com
Purpose This paper aims to investigate the effect of different wing height layouts on the
aerodynamic performance and flow structure of high-speed train, in a train-wing coupling …
aerodynamic performance and flow structure of high-speed train, in a train-wing coupling …
Validation of partially averaged Navier-Stokes and prediction for the turbulent flow past a generic high-speed train with and without yaw angle
The paper presents a numerical investigation into the aerodynamic behaviors of a
representative high-speed train model. A thorough comparison of external flow is carried …
representative high-speed train model. A thorough comparison of external flow is carried …
Investigation of the slipstream and the wake flow turbulence kinetic energy budget of high-speed train
Slipstream, which is caused by the movement of high-speed trains (HSTs) and transported
mainly by the outward movement with the downstream development of the pair counter …
mainly by the outward movement with the downstream development of the pair counter …
[HTML][HTML] Modified calculation model of train-induced aerodynamic pressure on vertical noise barriers considering the train geometry effect
High-speed trains (HSTs) generate air disturbance, leading to significant aerodynamic
pressure on the noise barriers. Differences in train geometry result in variations in the …
pressure on the noise barriers. Differences in train geometry result in variations in the …
[HTML][HTML] Numerical comparison of aerodynamic performance between stationary and moving trains with varied-height windbreak wall under crosswind
RD Xue, XH Xiong, G Chen, XB Li, B Liu - Alexandria Engineering Journal, 2025 - Elsevier
This paper investigates the impact of windbreak wall's heights on the aerodynamic
characteristics' difference of trains between moving and stationary numerical simulation …
characteristics' difference of trains between moving and stationary numerical simulation …
Using leeward air-blowing to alleviate the aerodynamic lateral impact of trains at diverse yaw angles
The safety risks of high-speed trains in crosswind environments escalate with increasing
train speeds. The present study employs the improved delayed detached eddy simulation …
train speeds. The present study employs the improved delayed detached eddy simulation …
Aerodynamic characteristics of the train under real wind gust
RD Xue, G Chen, XH Xiong - Physics of Fluids, 2024 - pubs.aip.org
Research on aerodynamic loads and flow field characteristics of trains under real wind gust
is limited. Most studies focus on train's dynamics under wind gust. By using numerical …
is limited. Most studies focus on train's dynamics under wind gust. By using numerical …
Evaluation of the slipstream in different regions around a train with respect to different nose lengths: A comparison study
In this work, the flow surrounding the train was obtained using a detached eddy simulation
(DES) for slipstream analysis. Two different streamlined nose lengths were investigated: a …
(DES) for slipstream analysis. Two different streamlined nose lengths were investigated: a …
Modified calculation model of train-induced aerodynamic pressure on vertical noise barriers considering the train geometry effect
D Liu, C Wang, J Gonzalez-Libreros, Y Tu… - Journal of Wind …, 2024 - diva-portal.org
High-speed trains (HSTs) generate air disturbance, leading to significant aerodynamic
pressure on the noise barriers. Differences in train geometry result in variations in the …
pressure on the noise barriers. Differences in train geometry result in variations in the …