Flow control over a circular cylinder using vortex generators: Particle image velocimetry analysis and machine-learning-based prediction of flow characteristics

A Okbaz, MH Aksoy, N Kurtulmuş, AB Çolak - Ocean Engineering, 2023 - Elsevier
Controlling the flow around circular cylinders is crucial to mitigate vortex-induced vibrations
and prevent structural damage in a range of applications, such as marine and offshore …

Three-dimensional vortex dynamics and transitional flow induced by a circular cylinder placed near a plane wall with small gap ratios

J Li, B Wang, X Qiu, J Wu, Q Zhou, S Fu… - Journal of Fluid …, 2022 - cambridge.org
The flow past a cylinder in proximity to a plane wall is investigated numerically for small gap
ratios. Three vortex dynamic processes associated with different hairpin vortex generation …

Wall-proximity effects on vortex-induced vibrations of a circular cylinder

G Chen, MM Alam, Y Zhou, C Ji, H Zhu - Ocean Engineering, 2023 - Elsevier
Vortex-induced vibrations (VIV) of an elastically supported circular cylinder (of diameter D)
undergoing a wall interference are investigated for a mass-damping ratio 0.31, Reynolds …

[HTML][HTML] Three dimensional flow around a circular cylinder confined in a plane channel

N Kanaris, D Grigoriadis, S Kassinos - Physics of fluids, 2011 - pubs.aip.org
This paper presents two-and three-dimensional direct numerical simulations of the flow
around a circular cylinder placed symmetrically in a plane channel. Results are presented in …

[HTML][HTML] High Reynolds number turbulent flow past a rotating cylinder

SJ Karabelas, BC Koumroglou… - Applied mathematical …, 2012 - Elsevier
High Reynolds-number flow over a rotating cylinder is investigated by two-dimensional
numerical computations. The Reynolds-Averaged Navier–Stokes (RANS) equations are …

The gap ratio effects on vortex evolution behind a circular cylinder placed near a wall

J Zhou, X Qiu, J Li, Y Liu - Physics of Fluids, 2021 - pubs.aip.org
The vortex evolution behind a circular cylinder placed near a wall is investigated
experimentally with particle image velocimetry. The Reynolds number based on the cylinder …

A novel vortex-induced vibration model for a circular cylinder in the vicinity of a plane wall

MM Tao, X Sun, J Xiao, Y Shu - Ocean Engineering, 2023 - Elsevier
A novel vortex-induced vibration (VIV) model is proposed to predict the transverse
responses of an elastically mounted circular cylinder in the proximity of the wall. Firstly, flow …

Influence of boundary layer thickness and gap ratios on three-dimensional flow characteristics around a circular cylinder in proximity to a bottom plane

Z Zhang, C Ji, W Chen, Y Hua, N Srinil - Ocean Engineering, 2021 - Elsevier
Three-dimensional flow characteristics around a horizontal circular cylinder near a plane
boundary are investigated using a Direct Numerical Simulation (DNS) at the Reynolds …

Vortex evolution of flow past the near-wall circular cylinder immersed in a flat-plate turbulent boundary layer

J Zhou, X Qiu, J Li, Y Liu - Ocean Engineering, 2022 - Elsevier
The vortex evolutions and the turbulent characteristics in flow past the near-wall circular
cylinder immersed in a flat-plate turbulent boundary layer are investigated with particle …

近壁面圆柱绕流中尾流结构演化特性的实验研究

邱翔, 吴昊东, 陶亦舟, 李家骅, 周建康, 刘宇陆 - 力学学报, 2022 - lxxb.cstam.org.cn
近壁面圆柱绕流中尾流结构演化特性的实验研究邱 翔,吴昊东,陶亦舟,李家骅,周建康, Page 1 近
壁面圆柱绕流中尾流结构演化特性的实验研究 邱 翔,吴昊东,陶亦舟,李家骅,周建康,刘宇陆 …