Effect of the wind speed on aerodynamic behaviours during the acceleration of a high-speed train under crosswinds

D Zhou, C Xia, L Wu, S Meng - Journal of Wind Engineering and Industrial …, 2023 - Elsevier
A high-speed train that accelerates under crosswinds can potentially encounter dramatic
aerodynamic effects and safety risks. The goal of this study is to reveal the effect of wind …

[HTML][HTML] Influence of inflow acceleration on the aerodynamic characteristics of a square cylinder

G Lunghi, S Brusco, A Mariotti, G Piccardo… - Journal of Wind …, 2024 - Elsevier
Abstract Large-Eddy Simulations were conducted to investigate accelerated flows around a
square cylinder. The study explores flow characteristics for Gaussian-type accelerations of …

Numerical simulation of the flow around a square cylinder under plasma actuator control

Z Zhu, P Fradera-Soler, W Jo, F Liu - Physics of Fluids, 2021 - pubs.aip.org
Navier–Stokes computations are performed, and detailed results are documented on the
vortex shedding, lift and drag fluctuations, and their spectra for flow past a square cylinder …

Numerical study on self-excited forces and flow fields for a thin plate under a sinusoidal non-stationary wind condition

P Hu, Y Tang, Y Han, CS Cai, N Yan, F Zhang - Physics of Fluids, 2023 - pubs.aip.org
The self-excited forces and flow fields around a thin plate under stationary and sinusoidal
non-stationary wind conditions were simulated using the computational fluid dynamics …

[HTML][HTML] Constant-frequency time cells in the vortex-shedding from a square cylinder in accelerating flows

S Brusco, G Buresti, YL Lo, G Piccardo - Journal of Wind Engineering and …, 2022 - Elsevier
An extensive experimental campaign has been carried out in a multiple-fan wind tunnel to
study the effects of flow acceleration on a sectional model of a sharp-edged square cylinder …

Aerodynamic force characteristics and flow field mechanism of multiple square cylinders in a tandem arrangement

H Jiang, Q Yang, X Liu, A Chen, D Zhang - Physics of Fluids, 2024 - pubs.aip.org
Wind tunnel tests and large eddy simulations were employed to obtain the aerodynamic
coefficients and flow fields of two and three tandem square cylinders across various spacing …

[HTML][HTML] Transient aerodynamics of a square cylinder under downburst-like accelerating flows reproduced in a multiple-fan wind tunnel

S Brusco, HY Bin, YL Lo, G Piccardo - Journal of Fluids and Structures, 2024 - Elsevier
Aerodynamic and pressure coefficients of a sectional model of a sharp-edged square
cylinder, at zero incidence angle, are experimentally evaluated in accelerating flow …

Gap effects on the aerodynamic characteristics around three rectangular boxes in tandem arrangement

H Meng, WL Chen, Y Duan, H Li, D Gao - Physics of Fluids, 2022 - pubs.aip.org
Multiple-box structures have become increasingly important in practical engineering; for
example, some recent large-span bridges were creatively designed using triple-box decks …

Control of flow past a circular cylinder using a rotating control rod

M Zhao, E Taheri - Journal of Marine Science and Engineering, 2022 - mdpi.com
Control of flow past a circular cylinder using a rotating control rod is investigated by
conducting two-dimensional numerical simulations with a Reynolds number of 200, a rod-to …

Experimental and numerical studies on the three-dimensional flow around single and two tandem circular cylinders in a duct

XF Zhang, JC Yang, MJ Ni, NM Zhang, XG Yu - Physics of Fluids, 2022 - pubs.aip.org
Experimental and numerical investigations are conducted in order to understand the flow
around identical tandem circular cylinders confined in a duct (blockage ratio b= 0.1 and …