Review of active control of circular cylinder flow

WL Chen, Y Huang, C Chen, H Yu, D Gao - Ocean Engineering, 2022 - Elsevier
Fluid flow around a circular cylinder is ubiquitous in nature and in various industrial
applications. The periodic von Kármán vortex shedding from the cylinder is one of the …

Structured porous surface for drag reduction and wake attenuation of cylinder flow

Z Xu, X Chang, H Yu, WL Chen, D Gao - Ocean Engineering, 2022 - Elsevier
In the current study, a new passive flow control strategy characterized by 3D printing
structured porous surface was introduced and experimentally investigated to manipulate the …

Wake-vortex evolution behind a fixed circular cylinder with symmetric jets

D Gao, G Chen, X Min, W Chen - Experimental Thermal and Fluid Science, 2022 - Elsevier
In this study, we investigated the wake-vortex dynamics behind a circular cylinder with an
active symmetric jet control on its leeward surface by using high-speed particle image …

Numerical simulations on flow control of the long hanger around a bridge tower based on active suction and blowing method

P Hu, S Wang, Y Han, CS Cai, B Yuan, S Ding - Physics of Fluids, 2023 - pubs.aip.org
Long hangers around the bridge tower are subjected to severe vibrations caused by the
tower wakes. This study adopted an active suction/blowing control measure at the tower …

Characteristics of forced flow past a square cylinder with steady suction at leading-edge corners

H Meng, W Chen, G Chen, D Gao, H Li - Physics of Fluids, 2022 - pubs.aip.org
We experimentally investigate the characteristics of a dynamic wake and of flow separation
for a square cylinder with steady suction at its leading-edge corners. The wind tunnel …

Passive control on the wake of a thin flat plate by drilling a hole from the surface

K Sun, J Sun, Y Fan, Z Han, W Chen - Ocean Engineering, 2021 - Elsevier
To control the wake of flat plate, passive control is performed by drilling a hole from the
surface. The differences of the turbulence wake between a flat plate and a perforated plate …

Interference effect on flow features and aerodynamic mechanism over the roof between two tall buildings

SF Dai, HJ Liu, HY Peng - Sustainable Energy Technologies and …, 2023 - Elsevier
Interference effect of an upwind building on flow features and wind power potential over roof
of principal building was investigated through numerical simulations. Flow features were …

基于结构化多孔表面定常吸气的圆柱绕流场控制.

高东来, 余海洋, 陈文礼, 李惠 - Engineering Mechanics …, 2024 - search.ebscohost.com
通过风洞试验研究了在雷诺数为10 000 时圆柱尾流主动流动控制效果, 流动控制通过基于结构
化多孔表面定常吸气实现, 试验工况具有不同的等效吸气系数Cµ. 尾流的二维流场测量通过粒子 …

Wake flow control of a square cylinder via distributed jets over the rear porous surface

Z Xu, L Lin, H Yu, WL Chen, D Gao - Ocean Engineering, 2023 - Elsevier
An active control method was used to attenuate the unsteady vortex shedding in the wake of
a square cylinder. Distributed jets were applied to the rear porous surface at a Reynolds …

Study on airflow characteristics of underground transportation buildings with sunken squares using particle image velocimetry experiments in a wind tunnel

J Zhao, J Dong, H Gao, Z Wang, Y Na, C Jiang… - Building and …, 2023 - Elsevier
Recently, sunken squares have been integrated into underground transportation buildings
in an effect to improve the urban environment and provide people with a novel urban space …