Laminar flow over a rectangular cylinder experiencing torsional flutter: Dynamic response, forces and coherence modes

Q Zhu, L Zhou, J Wen, T Liu, J Zhang, H Tang… - Physics of …, 2023 - pubs.aip.org
This study investigates the flutter response of a rectangular cylinder model with an aspect
ratio of 5 at the Reynolds number Re= 100 via direct numerical simulation. The effects of two …

Comparative analysis of the flow control over a circular cylinder with detached flexible and rigid splitter plates

F Eydi, A Mojra, R Abdi - Physics of Fluids, 2022 - pubs.aip.org
A comparative study is performed on a circular cylinder with both flexible and rigid splitter
plates (SPs). This study has the novelty of using single and dual detached SPs located …

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 …

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 …

Reduced-order model and attractor identification for large eddy simulation of squirrel cage fan

Q Xiao, B Jiang, X Yang, Y Ding, J Wang - Physics of Fluids, 2023 - pubs.aip.org
A large eddy simulation (LES) of a squirrel cage fan (SCF) provides a precise representation
of turbulent flows with different degrees of complexity. This study comprehensively analyzes …

A zero-net-mass-flux wake stabilization method for blunt bodies via global linear instability

Q Zhu, L Zhou, H Zhang, KT Tse, H Tang, BR Noack - Physics of Fluids, 2024 - pubs.aip.org
A rectangular cylinder, with an aspect ratio of 5, is a widely used bluff body in engineering
practice. It undergoes intricate dynamical behavior in response to minute alterations in the …

Rotationary feedback control of the cylinder wake flow using a linear dynamic model

X Li, Y Luo, X Liang, M Ge, W Zhang - Physics of Fluids, 2024 - pubs.aip.org
This study presents an active feedback control of the Kármán vortex shedding flow past a
circular cylinder at low Reynolds numbers. The cylinder's rotational motion functions as the …

Optimizing reduced frequency using genetic algorithms for plasma flow control to achieve drag reduction on a circular cylinder

Z Ran, Y Yu, F Nawaz, E Ju, X Meng - Physics of Fluids, 2024 - pubs.aip.org
A closed-loop parameter optimization system around a cylinder is built by integrating the
plasma actuation and genetic algorithms in this research, employing numerical simulations …

Numerical investigation of grooved cylinder-airfoil interaction noise reduction at different Reynolds numbers

C Zhang, X Sun, W Cheng, C Shen, Z Cui, Z Wu… - International Journal of …, 2024 - Elsevier
The grooved model, which is designed for the upstream cylinder, is intended to minimize the
interaction noise generated by the cylinder-airfoil model. The impact of the grooved model …

基于仿生尼龙丝的圆柱绕流被动控制

陈文礼, 林隆瀚, 邓质, 高东来 - 实验流体力学, 2023 - pubs.cstam.org.cn
通过风洞实验研究了鸟类羽毛仿生尼龙丝对圆柱绕流场的控制效果及机理.
仿生尼龙丝布置于圆柱的前驻点, 雷诺数为2.67× 10 4, 特征变量为尼龙丝长度与圆柱直径之比L …