[HTML][HTML] A review on fluid dynamics of flapping foils

X Wu, X Zhang, X Tian, X Li, W Lu - Ocean Engineering, 2020 - Elsevier
The fluid dynamics of flapping foils are reviewed in this article. A very wide range of
researches are conducted for the two-dimensional flapping foil which has a relatively simple …

Recent advances in hydrodynamics of wing propulsive lifting systems for ships and underwater vehicles

K Rozhdestvensky, B Zhao - Physics of Fluids, 2023 - pubs.aip.org
A collaborative and interdisciplinary strategy spanning hydrodynamics, sophisticated
materials, elasticity, and microelectromechanical systems technologies is required for the …

Effect of pivot location on the semi-active flapping hydrofoil propulsion for wave glider from wave energy extraction

Y Zhang, Y Feng, W Chen, F Gao - Energy, 2022 - Elsevier
This paper experimentally investigates the propulsion of semi-active hydrofoils from wave
energy. For the case of NACA 0012 foil section, heave amplitude h 0= 1.0 chord, Reynolds …

Numerical analysis of wind turbines blade in deep dynamic stall

HR Karbasian, JA Esfahani, AM Aliyu, KC Kim - Renewable Energy, 2022 - Elsevier
This study numerically investigates kinematics of dynamic stall, which is a crucial matter in
wind turbines. Distinct movements of the blade with the same angle of attack (AOA) profile …

Deep learning based real-time energy extraction system modeling for flapping foil

Y Li, T Liu, Y Wang, Y Xie - Energy, 2022 - Elsevier
Considering the increasing energy consumption and greenhouse gas emissions, the
promising energy extraction system via flapping foil for flow and wind energy has attracted …

Geometric characteristics of flapping foils for enhanced propulsive efficiency

JM Kelly, MSU Khalid, P Han… - Journal of Fluids …, 2023 - asmedigitalcollection.asme.org
The shape of a foil undergoing a combined pitching heaving motion is critical to its design in
applications that demand high efficiency and thrust. This study focuses on understanding of …

[HTML][HTML] Vortex-induced vibrations in an active pitching flapping foil power generator with two degrees of freedom

Y Bai, M Zheng - Physics of Fluids, 2023 - pubs.aip.org
The energy harvesting characteristics of actively pitching flapping foils under a two-degrees-
of-freedom (2DOF) system were investigated through numerical simulations. At a Reynolds …

Effects of hydrofoil motion parameters and swing arm parameters on power extraction of a flexible hydrofoil in swing arm mode

Y Zhang, Y Wang, J Han, G Sun, Y Xie - Ocean Engineering, 2022 - Elsevier
This study aimed to numerically investigate the power extraction performance of an
oscillating hydrofoil with a time-varying camber in the swing arm mode. The effects of the …

Energy-harvesting performance of a coupled-pitching hydrofoil under the semi-passive mode

Z Liu, H Qu, H Shi - Applied energy, 2020 - Elsevier
The semi-passive flapping hydrofoil is a promising device for harvesting tidal stream energy
in shallow waters with significant practical advantages compared to traditional rotor turbines …

New type of motion trajectory for increasing the power extraction efficiency of flapping wing devices

B Wang, B Zhu, W Zhang - Energy, 2019 - Elsevier
Flapping wing devices represent a new type of renewable energy extraction technology that
has the advantageous characteristics of simple structure, strong adaptability to …