[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 …

Trajectory tracking control for a three-dimensional flexible wing

W He, X Tang, T Wang, Z Liu - IEEE Transactions on Control …, 2022 - ieeexplore.ieee.org
This brief mainly considers trajectory tracking and vibration suppression for a 3-D flexible
wing. The dynamical model of the flexible wing is regarded as a distributed parameter …

Variable designs of vertical axis wind turbines—a review

KY Lee, A Cruden, JH Ng, KH Wong - Frontiers in Energy Research, 2024 - frontiersin.org
Omnidirectionality and simple design make VAWTs more attractive compared to HAWTs in
highly turbulent and harsh operational environments including low wind speed conditions …

Numerical investigations on flow structure and behavior of vortices in the dynamic stall of an oscillating pitching hydrofoil

HR Karbasian, KC Kim - Ocean Engineering, 2016 - Elsevier
This study numerically investigates the behavior of vortices and flow structure in a dynamic
stall phenomenon, especially in post-stall where the flow is highly nonlinear. Computational …

Energy extraction performance of tandem flapping foil undergoing elliptical motion trajectory

PK Swain, SP Dora, AK Barik - Ocean Engineering, 2023 - Elsevier
The energy extraction performance of tandem flapping was numerically investigated by
varying the flapping trajectory and position between the foils at a Reynolds number of 1173 …

Effects of pitching motion profile on energy harvesting performance of a semi-active flapping foil using immersed boundary method

W Li, WQ Wang, Y Yan, FB Tian - Ocean Engineering, 2018 - Elsevier
Abstract Effects of pitching motion profile on energy harvesting performance of a semi-active
flapping foil are numerically studied using immersed boundary method. Firstly, the numerical …

Hydrodynamic and energy extraction properties of oscillating hydrofoils with a trailing edge flap

G Sun, Y Wang, Y Xie, P Ma, Y Zhang - Applied Ocean Research, 2021 - Elsevier
In order to improve the energy extraction efficiency of the oscillating hydrofoil, this research
proposes a model of an oscillating hydrofoil with trailing edge flaps. In this study, firstly we …

Research on the effect of a movable gurney flap on energy extraction of oscillating hydrofoil

G Sun, Y Wang, Y Xie, K Lv, R Sheng - Energy, 2021 - Elsevier
A movable Gurney flap was used to enhance the energy extraction of the oscillating
hydrofoil. According to the motion of oscillating hydrofoil, the position of Gurney flap was …

Propulsion characteristics of self-pitching flapping foil

L Mei, W Yan, J Zhou, B Guo, L Cong, W Shi - Ocean Engineering, 2023 - Elsevier
As a promising form of oscillating hydrofoil propulsion, self-pitching flapping foil (SPFF) has
been widely used in ocean engineering applications such as ships, underwater vehicles …

The power extraction by flapping foil hydrokinetic turbine in swing arm mode

HR Karbasian, JA Esfahani, E Barati - Renewable energy, 2016 - Elsevier
In the present study the power extraction capability by flapping foil hydrokinetic turbine is
investigated. The heaving motion of the foil is considered in two different motion patterns …