Active flow control of the dynamic wake behind a square cylinder using combined jets at the front and rear stagnation points

D Gao, H Meng, Y Huang, G Chen, WL Chen - Physics of Fluids, 2021 - pubs.aip.org
This study experimentally investigated an active flow control method with combined jets at
the front and the rear stagnation points of a square cylinder to suppress the unsteady wake …

On the distributed blowing control of flow around a square cylinder at a low Reynolds number

Y Ran, WL Chen, Y Cao, H Li, D Gao - Ocean Engineering, 2023 - Elsevier
This paper numerically investigates the distributed blowing control of the flow around a
square cylinder at a low Reynolds number of R e= 200. The air holes are placed at the …

Control of flows around bluff bodies mediated by porous materials

S Sadeghipour, SAS Ali, X Liu, M Azarpeyvand… - … Thermal and Fluid …, 2020 - Elsevier
There is evidence that the application of porous media to the surfaces of bluff bodies
immersed in turbulent fluid flows has a profound effect on the associated aerodynamic …

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 …

Modification of subcritical cylinder flow with an upstream rod

D Gao, X Chang, T Tursuntohti, H Yu, WL Chen - Physics of Fluids, 2022 - pubs.aip.org
In the current research, a small circular rod is placed upstream of the main cylinder. This is
used to change the incoming flow and, thus, impact the vortex shedding process of the wake …

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 …

Active wake control of flow past a circular cylinder with slot jet

Z Deng, D Gao, G Chen, WL Chen - Journal of Aerospace …, 2021 - ascelibrary.org
In the current research, an active-flow control scheme characterized by leeward slot jet over
a circular cylinder was experimentally investigated to manipulate the vortex shedding from …

Flow control over a diamond-shaped cylinder using slits

İ Karasu - Experimental Thermal and Fluid Science, 2020 - Elsevier
In this experimental study, flow control over a diamond-shaped cylinder using slits was
investigated using Particle Image Velocimetry (PIV). The slits used to form self-generating jet …

Control of vortex-induced vibration of a long-span bridge by inclined railings

D Xin, J Zhan, H Zhang, J Ou - Journal of Bridge Engineering, 2021 - ascelibrary.org
The addition of railings inevitably changes the aerodynamic shape of a main girder, which in
turn has a great effect on the vortex-induced vibration (VIV) of a long-span bridge. To ensure …