An experimental study regarding the effect of streamwise vorticity on trailing edge vortex induced vibrations of a hydrofoil

Sagmo, Kristian Forfot; Storli, Pål-Tore Selbo

doi:10.1016/j.jsv.2022.117349

Cited by 4 publications

(3 citation statements)

References 33 publications

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“…Sci. 2024, 14, x FOR PEER REVIEW 3 of 23 flaps [33], trailing edge flaps [34], and spoilers [35], which may have negative effects on its structural integrity, processing complexity, applicability, and safety [36]. Notably, these discussions form the backdrop against which our research proposal unfolds.…”

Section: Description Of the Oscillating Foil Modelmentioning

confidence: 99%

“…The primary themes explored encompass the optimization of motion parameters, the alternative deformations of foil shapes, and methods for perturbing the trailing edge flow field to enhance lift and energy harvesting efficiency. However, these methods alter the original shape of the foil, such as Gurney flaps [33], trailing edge flaps [34], and spoilers [35], which may have negative effects on its structural integrity, processing complexity, applicability, and safety [36]. Notably, these discussions form the backdrop against which our research proposal unfolds.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Trailing Edge Cylindrical Spoiler Structure on the Energy Harvesting Performance of the Oscillating Foil

Zhu,

Li,

Zhang

et al. 2024

Applied Sciences

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This study explores a novel flow control approach for enhancing the energy harvesting performance of an oscillating foil, which is a promising technology for harvesting renewable energy from wind and ocean currents. This approach involves placing a cylindrical spoiler structure at the trailing edge of the foil and investigating the effects of its diameter and spacing on the energy harvesting efficiency. The results show that the spoiler cylinders can significantly increase the energy harvesting efficiency of the foil by up to 19.26% compared to the case without them. The optimal configuration for the spoiler cylinders is found to be 11.0% of c in diameter, 0.5% of c in transverse spacing, and 0 in longitudinal spacing. Moreover, this flow control method is proven to be highly effective under a wide range of motion kinetic parameters. The findings of this study provide technical guidance for the design and implementation of oscillating foil energy harvesting devices, highlighting their practical engineering value.

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Section: Description Of the Oscillating Foil Modelmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of Trailing Edge Cylindrical Spoiler Structure on the Energy Harvesting Performance of the Oscillating Foil

Zhu,

Li,

Zhang

et al. 2024

Applied Sciences

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“…Car wind noise may also interfere with speech recognition and communication in the car, affecting the interaction and communication functions between users and the onboard system [10] . Research on the edge noise of the front cover edge can help improve the comfort of driving sound for vehicles with front cover running through the headlights [11] . Research has shown that the edge noise at the front edge of the front cover is one of the main sources of noise in the front area of the front cover.…”

Section: Introductionmentioning

confidence: 99%

Research on aerodynamic noise reduction of automobile front cover based on a simplified fluid model simulation method

Changyuan,

Jianfu,

Gang

et al. 2024

Fourth International Conference on Mechanical Engineering, Intelligent Manufacturing, and Automation Technology (MEMAT 2023)

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This study focuses on a certain vehicle model and analyzes the noise problem in the edge area of the front cover of the car through wind tunnel tests and Fluent numerical simulation software. Firstly, numerical calculations and analysis were conducted using fluid dynamics theory, acoustic theory, and other methods. Secondly, wind tunnel validation was conducted to analyze the impact mechanism of aerodynamic flow field on the noise of the front cover of automobiles. By comparing the simulation results of different design schemes, a simplified model was used to solve a type of method and solution for eliminating the edge noise of the front cover. Explored the mechanism of reducing noise at the front edge of the front cover of vehicles with through grille lights, studied the structure and position of the front grille light area, and applied it to eliminate wind noise in vehicle models. The simulation and experimental results show that the protruding diversion structure passing through the tail lights can effectively avoid the generation of wind noise at the front of the front cover, reduce the sound pressure value at the front cover, and reduce the noise to a maximum of 19 dB.

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Novel bionic wave-shaped tip clearance toward improving hydrofoil energy performance and suppressing tip leakage vortex

Wang,

Feng,

et al. 2024

Energy

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An experimental study regarding the effect of streamwise vorticity on trailing edge vortex induced vibrations of a hydrofoil

Cited by 4 publications

References 33 publications

Effect of Trailing Edge Cylindrical Spoiler Structure on the Energy Harvesting Performance of the Oscillating Foil

Effect of Trailing Edge Cylindrical Spoiler Structure on the Energy Harvesting Performance of the Oscillating Foil

Research on aerodynamic noise reduction of automobile front cover based on a simplified fluid model simulation method

Novel bionic wave-shaped tip clearance toward improving hydrofoil energy performance and suppressing tip leakage vortex

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