Numerical study of a semi-passive oscillating hydrofoil on power-extraction with wing-in-ground effect
The performance of a semi-passive oscillating hydrofoil, with activated pitching motion and
induced heaving motion, is numerically studied by OpenFoam. The two-dimensional …
induced heaving motion, is numerically studied by OpenFoam. The two-dimensional …
Modification of effective angle of attack on hydrofoil power extraction
A hydrofoil turbine with simultaneous heaving and pitching is found to have an ability to
achieve a high power extraction. An OpenFOAM-based numerical model combined with a …
achieve a high power extraction. An OpenFOAM-based numerical model combined with a …
Fluid-structure interaction of a fully passive flapping foil for flow energy extraction
We experimentally investigated the fluid-structure interaction (FSI) and energy extraction
performance of a novel flapping-foil based flow-energy harvester. Different from most of …
performance of a novel flapping-foil based flow-energy harvester. Different from most of …
Blockage effect and ground effect on oscillating hydrofoil
H Yang, G He, W Mao, W Mo, H Ghassemi - Ocean Engineering, 2023 - Elsevier
Oscillating hydrofoils located in a channel or limited zone by two side walls will be affected
by both the blockage effect and ground effect. To study the contribution of these two effects …
by both the blockage effect and ground effect. To study the contribution of these two effects …
Wake vortex structures and hydrodynamics performance of a power-extraction flapping hydrofoil
W Mo, G He, H Ghassemi, H Yang, W Mao - Physics of Fluids, 2023 - pubs.aip.org
Numerical simulations are used to investigate wake vortex structures with different aspect
ratios (ARs) of flapping hydrofoil on power extraction. Simulations employ a finite-volume …
ratios (ARs) of flapping hydrofoil on power extraction. Simulations employ a finite-volume …
Comparison of the Power Extraction Performance of an Oscillating Hydrofoil Turbine with Different Deflector Designs
AR Shanmugam, KS Park, CH Sohn - Energies, 2023 - mdpi.com
The unsteady RANS equations for a two-dimensional hydrofoil were solved using ANSYS
Fluent to model and simulate the hydrofoil at a constant Reynolds number, Re, of 2× 105 …
Fluent to model and simulate the hydrofoil at a constant Reynolds number, Re, of 2× 105 …
Parametric study of an H-section oscillatory wind energy converter
While flutter due to aerodynamic instability is a devastating phenomenon in airplanes and
suspension bridges, taking advantage of flutter in converting wind and water energy into …
suspension bridges, taking advantage of flutter in converting wind and water energy into …
Numerical study on the energy extraction characteristics of a flapping foil with movable lateral flaps
C Tian, X Liu - Renewable Energy, 2024 - Elsevier
This study focuses on how to improve the energy extraction performance of flapping foils by
using movable lateral flaps. Three flaps are designed firstly, including fixed lateral flaps …
using movable lateral flaps. Three flaps are designed firstly, including fixed lateral flaps …
Reliability study of a fully-passive oscillating foil turbine operating in a periodically-perturbed inflow
A self-sustained fully-passive flapping foil hydrokinetic turbine prototype is investigated
experimentally. The foil was undergoing elastically constrained oscillations in pitch and …
experimentally. The foil was undergoing elastically constrained oscillations in pitch and …
Investigations on the use of a KFm-4 profile to improve the energy extraction performance of a fully-activated flapping foil
Numerical simulations are performed to evaluate the effects of KFm-4 profile geometry,
reduced frequency, and Reynolds number on the energy extraction performance of a fully …
reduced frequency, and Reynolds number on the energy extraction performance of a fully …