Results 21 to 30 of about 3,877 (226)

Investigation of cavitation bubble dynamics near an asymmetric hydrofoil [PDF]

International Journal of Fluid Engineering
The dynamic behavior of a cavitation bubble near an asymmetric hydrofoil is investigated experimentally through high-speed photography and theoretically using a Kelvin impulse model.
Hongbo Wang, Cheng Zhang, Xinrong Xie, Junwei Shen, Yiming Li, Yuning Zhang   +5 more
doaj   +1 more source

Cavity induced vibration of flexible hydrofoils [PDF]

, 2014
The objective of this work is to investigate the influence of cavity-induced vibrations on the dynamic response and stability of a NACA66 hydrofoil at 8° angle of attack at Re=750 000 via combined experimental measurements and numerical simulations.
CHAE, Eun Jung, AKCABAY, Deniz Tolga, YOUNG, Yin Lu, DUCOIN, Antoine, ASTOLFI, Jacques Andre   +4 more
core   +1 more source

Hydrodynamic Characteristics Analysis of Amphibious HydrofoilVehicle Based on LBM-LES Method

Hangkong gongcheng jinzhan, 2019
At present, research on the aerodynamics and hydrodynamic characteristics of a amphibious hydrofoil vehicle at home and abroad is still at exploration and development stage.
Feng Huanhuan, Liu Yong, Wang Qi, Zou Sen   +3 more
doaj   +1 more source

Study on Noise Attenuation Characteristics of Hydrofoil with Specific Cavitation Number

Archives of Acoustics, 2023
In this study, the modified Sauer cavitation model and Kirchhoff-Ffowcs Williams and Hawkings (K-FWH) acoustic model were adopted to numerically simulate the unsteady cavitation flow field and the noise of a three-dimensional NACA66 hydrofoil at a ...
He XIAOHUI, Liu ZHONGLE, Yang CHAO, Yuan ZHIYONG   +3 more
doaj   +1 more source

Discontinuity of lift on a hydrofoil in reversed flow for tidal turbine Application [PDF]

, 2017
This work presents an experimental investigation of a hydrofoil in reversed flow configuration in the context of marine current turbine development. Experiments consist in hydrodynamic force measurements and PIV flow observations on a NACA 0015 hydrofoil,
BOT, Patrick, ASTOLFI, Jacques André, MARCHAND, Jean-Baptiste   +2 more
core   +1 more source

Optimal Design and Dynamic Analysis of Hydrofoil Mechanism of Wave Glider

Journal of Marine Science and Engineering, 2022
A wave glider can convert vertical wave motion into its forward propulsion. There are many factors affecting the propulsion performance of a wave glider.
Hongqiang Sang, Jin Zhang, Xiujun Sun, Can Li, Lei Wang, Liwei Wang   +5 more
doaj   +1 more source

Développement et validation d'un modèle de cavitation à poche sur hydrofoil et pale d'hélice [PDF]

, 2008
FRANCAIS Un module de cavitation à poche a été développé et implémenté sur un code potentiel hélice. La méthode pour représenter la cavitation à poche utilise les vitesses de transpiration qui permettent de dévier la condition de glissement sans ...
LAURENS, Jean-Marc, DENISET, François, PHOEMSAPTHAWEE, Surasak, LEROUX, Jean-Baptiste   +3 more
core   +1 more source

Fluid Structure Interaction of Hydrofoils [PDF]

Conference Proceedings of ICMET Oman, 2019
Hydrofoils are used in the marine industry to produce enough lift to raise the boat and crew out of the water, therefore reducing resistance on the hull and enabling increased speeds. The interaction between the hydrofoil and water puts severe stress and strain on the hydrofoil.
Knight, Jason, McConnell, Matthew Richard, Ledger, Anthony, Azcueta, Rodrigo   +3 more
openaire   +3 more sources

Static and dynamic response of a carbon composite full-scale hydrofoil manufactured using automated fibre placement

Composites Part C: Open Access, 2021
Experimental demonstration and performance evaluation on a shape-adaptive carbon composite full-scale hydrofoil manufactured using automated fibre placement (AFP) are presented in this paper. The experimental responses of the hydrofoil are validated with
Phyo Thu Maung, B.Gangadhara Prusty, Md Shamsuddoha, Andrew W. Phillips, Nigel A. St John   +4 more
doaj   +1 more source

Experimental and Numerical Studies of Cloud Cavitation Behavior around a Reversible S-Shaped Hydrofoil

Journal of Marine Science and Engineering, 2022
The S-shaped hydrofoil is often used in the design of reversible machinery due to its centrally symmetrical camber line. The objective of this paper is to study the influence of cloud cavitation on the flow structure and the unsteady characteristics of ...
Haiyu Liu, Fangping Tang, Shikai Yan, Daliang Li   +3 more
doaj   +1 more source