With increasing train speed, aerodynamic effects pose a safety risk for train operations,
especially for trains passing each other, the strong transient aerodynamic loads could result …

In this paper, the effect of strip spacing on the aerodynamic performance of a high-speed
pantograph with a double-strip is numerically studied using a shear stress transport …

根据近年来高速列车气动噪声相关研究, 从试验研究, 理论分析和数值模拟方面介绍了当前高速
列车气动噪声研究现状和研究成果, 分析了高速列车气动噪声源分布和产生机理 …

Reducing train pantograph noise is particularly important. In this paper, the flow behaviour
and noise contribution of simplified geometries representing high-speed train pantographs …

According to the relevant research on the aerodynamic noise of high-speed trains in recent
years, the present research status and achievements of the aerodynamic noise of high …

For electrified railways, the catenary dynamic behavior is critical to ensure a robust and
steady current collection quality for electric trains. The current collection is achieved as the …

Aerodynamic noise from pantographs becomes an important source of noise from trains at
high speeds. Previous studies have mostly been based on numerical predictions using …

It is noteworthy to explore potential measures for further reducing the aerodynamic drag and
noise of high-speed pantographs. This paper proposes a method of introducing spanwise …

Due to the limited understanding of spatial sound field and contribution of pantograph, a
deep analysis is presented to extract understanding the aerodynamic noise characteristics …

Aiming at reducing the blunt trailing edge noise of flat plate, three-dimensional structured
porous media with uniform and non-uniform porosities are designed. Acoustics and flow …