Results 1 to 10 of about 101 (87)
Energies, 2021 The paper focuses on the study of a semi-activated system, based on a combination of two movements of forced pitching and free-heaving motion. Therefore, quantifying with accuracy the hydrodynamic forces applied on the hydrofoil seems to be crucial. This
Sylvain S Guillou +2 more
exaly +3 more sources
Journal of Marine Science and Engineering, 2019 To improve the energy extraction performance of the oscillating hydrofoil, the lift force that acts on the oscillating hydrofoil is analyzed. The pressure difference between the oscillating hydrofoil‘s opposing surfaces is dominant to generate the ...
Jianan Xu +3 more
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Experimental Parameters Influencing the Cavitation Noise of an Oscillating NACA0015 Hydrofoil
Journal of Marine Science and Engineering, 2023 The strong increase in anthropogenic underwater noise has caused a growing intention to design quieter ships given that ship propellers are one of the dominating noise sources along the worldwide shipping routes.
Leonie S. Föhring +2 more
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Numerical Analysis of Hydrodynamics for Bionic Oscillating Hydrofoil Based on Panel Method [PDF]
Applied Bionics and Biomechanics, 2016 The kinematics model based on the Slender-Body theory is proposed from the bionic movement of real fish. The Panel method is applied to the hydrodynamic performance analysis innovatively, with the Gauss-Seidel method to solve the Navier-Stokes equations ...
Gang Xue +3 more
doaj +3 more sources
Hydrodynamic and energy extraction properties of oscillating hydrofoil with double Fowler flaps
Frontiers in Marine ScienceIn order to improve the energy extraction capability of oscillating hydrofoils, a dual Fowler flap structure is adopted as a device to increase lift.
Guang Sun +4 more
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Computational Study of Oscillating Hydrofoil with Different Plunging/Pitching Frequency
Journal of Aero Aqua Bio-mechanisms, 2010 A numerical investigation of an oscillating hydrofoil with unequal plunging/pitching frequency is conducted by solving unsteady Navier-Stokes equations. Studies are performed for the impact of different frequency ratio on the wake structure and propulsion parameters over a wide range of plunging amplitude, pitching amplitude and oscillating reduced ...
Qing Xiao
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Various Wavy Leading-Edge Protuberance on Oscillating Hydrofoil Power Performance [PDF]
Journal of Applied Fluid Mechanics, 2023 This paper is presented to compare various wavy leading-edge protuberances on oscillating hydrofoil performance and power efficiency. The unsteady turbulent 3D flow simulations were carried out by using the StarCCM+ software.
A. Abbasi +3 more
doaj +1 more source
Energies, 2023 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 and a fixed reduced frequency, f*, of 0.14.
Arun Raj Shanmugam +2 more
doaj +1 more source
Xibei Gongye Daxue Xuebao, 2023 In order to effectively utilize the tidal current energy in offshore wind farms, a swing oscillating hydrofoil system for tidal current energy capture is proposed.
ZHU Weijun +5 more
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Hydrodynamic Performance of the 3D Hydrofoil at the Coupled Oscillating Heave and Pitch Motions
Journal of Mechanical Engineering, 2021 The purpose of this paper is to study on the power extraction of the hydrofoil by performance of the coupled oscillating heave and pitch motions. The numerical analysis is conducted by using the Reynolds Average Navier-Stokes (RANS) equations and the ...
Abbasi A.R., Ghassemi H., He G.
doaj +1 more source