Dynamic behaviors of multiphase vortex-induced vibration for hydropower energy conversion
L Li, B Lu, W Xu, C Wang, J Wu, D Tan - Energy, 2024 - Elsevier
To satisfy the growing electricity demand, continuous and stable hydropower conversion is
particularly critical in tidal power station operation. In the above industrial application …
particularly critical in tidal power station operation. In the above industrial application …
Koopman mode analysis on discovering distributed energy transfer of post-transient flutter of a bluff body
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 …
by direct numerical simulation for various Reynolds numbers (Re) and flow angles of attack …
Effect of baffles on efficiency of darrieus vertical axis wind turbines equipped with J-type blades
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 …
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
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 …
attack (α) and low Reynolds number (Re) on the aerodynamic performance of the RC-TLBB …
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 …
offshore oil & gas industry. For this purpose, an intelligent flow pattern identification model …
Coherence mode and Floquet analysis on flow past a rectangular cylinder with small angle of attack
This paper focuses on a typical bluff body, a rectangular cylinder with an aspect ratio of 5,
and quantitatively analyzes the fluid force coefficients and Strouhal number (St) under …
and quantitatively analyzes the fluid force coefficients and Strouhal number (St) under …
Exploring Vortex–Flame Interactions and Combustion Dynamics in Bluff Body-Stabilized Diffusion Flames: Effects of Incoming Flow Velocity and Oxygen Content
M Chen, M Zhao, Z Wang, X Huang, H Zheng, F Deng - Processes, 2024 - mdpi.com
An afterburner encounters two primary features: high incoming flow velocity and low oxygen
concentration in the incoming airflow, which pose substantial challenges and contribute …
concentration in the incoming airflow, which pose substantial challenges and contribute …
Vortex-induced vibration characteristic and trigger mechanism of semi-closed streamlined box girder trans-sea bridges
Q Duan, C Ma, T Zhang, Z Li - Ocean Engineering, 2024 - Elsevier
In this study, sectional model wind-tunnel tests are conducted to investigate the vortex-
induced vibration (VIV) of semi-closed girders with different aspect ratios. The influencing …
induced vibration (VIV) of semi-closed girders with different aspect ratios. The influencing …
Mitigating the lift of a circular cylinder in wake flow using deep reinforcement learning guided self-rotation
This study applies deep reinforcement learning (DRL) to reduce lift forces on a circular
object in the wake of another. The proximal policy optimization (PPO) method is utilized to …
object in the wake of another. The proximal policy optimization (PPO) method is utilized to …
Development and validation of a three-dimensional wind-turbine wake model based on high-order Gaussian function
Under natural conditions, the wake velocity distribution approximates top-hat shape in the
near wake center, and a Gaussian shape in the far wake. To improve the prediction …
near wake center, and a Gaussian shape in the far wake. To improve the prediction …