Primary instability, sensitivity and active control of flow past two tandem circular cylinders

Z Liu, L Zhou, H Tang, Z Wang, F Zhao, X Ji, H Zhang - Ocean Engineering, 2024 - Elsevier
The tandem two-cylinder configuration is frequently employed in engineering structures. Its
fluid force and vortex shedding are significantly greater than those of widely studied single …

Koopman mode analysis on discovering distributed energy transfer of post-transient flutter of a bluff body

Q Zhu, H Li, H Zhu, L Zhou, KT Tse, H Zhang - Ocean Engineering, 2024 - Elsevier
The flutter response of a rectangular cylinder model with an aspect ratio of 5 is investigated
by direct numerical simulation for various Reynolds numbers (Re) and flow angles of attack …

Modelling and harnessing energy from flow-induced vibration, particularly VIV and gallo**: An explicit review

S Francis, A Swain - Ocean Engineering, 2024 - Elsevier
An extensive review on the numerical modelling of various flow-induced vibration (FIV)
phenomenon and energy harvesting is systematically carried out in this paper. Apart from …

Effect of baffles on efficiency of darrieus vertical axis wind turbines equipped with J-type blades

R Farzadi, A Zanj, M Bazargan - Energy, 2024 - Elsevier
This study investigates the effects of incorporating baffles in J-type bladed vertical axis wind
turbines. The objectives are to analyze the behavior of vortices and their impact on turbine …

Aerodynamic interference effects of bridge-train-like bluff bodies with small flow attack angle

Q Zhu, L Zhou, KT Tse, X Ning, H Zhang - Physics of Fluids, 2024 - pubs.aip.org
This paper employs numerical simulation to examine the impact of variations in flow angle of
attack (α) and low Reynolds number (Re) on the aerodynamic performance of the RC-TLBB …

Flow pattern-and forces-susceptibility to small attack angles for a rectangular cylinder

L Zhou, Q Zhu, KT Tse, X Ning, Y Ai, H Zhang - Ocean Engineering, 2024 - Elsevier
This study employs numerical simulation to investigate the two-dimensional flow of a
rectangular cylinder with an aspect ratio of 5, under various flow attack angles (α) and …

Vibration-based multiphase flow identification by deep learning for the vertical section of subsea pipelines

W Qiao, H Guo, E Huang, H Chen - Applied Ocean Research, 2024 - Elsevier
Flow pattern identification is critical for the flow assurance of the multiphase flow in the
offshore oil & gas industry. For this purpose, an intelligent flow pattern identification model …

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 …

High aspect ratio composite wings: geometrically nonlinear aeroelasticity, multi-disciplinary design optimization, manufacturing, and experimental testing

T Farsadi, M Ahmadi, M Sahin, H Haddad Khodaparast… - Aerospace, 2024 - mdpi.com
In the field of aerospace engineering, the design and manufacturing of high aspect ratio
composite wings has become a focal point of innovation and efficiency. These long, slender …

Modeling of nonlinear self-excited forces: A study on flutter characteristics and mechanisms of post-flutter behaviors

J He, C Yu, Y Li, L Zhao - Physics of Fluids, 2024 - pubs.aip.org
The intrinsic physical relevance of higher-order self-excited force (SEF) components has
received limited attention, and there is a dearth of formulas that adequately analyze the …