Dual-function flapping hydrofoil: Energy capture and propulsion in ocean waves

Zhang, Yongkuang; Han, Xinyang; Hu, Yuxuan; Chen, Xihan; Li, Zhuohang; Gao, Feng; Chen, Weixing

doi:10.1016/j.renene.2024.119956

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2024

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Cited by 3 publications

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Experimental-based hydrodynamic simulation of submarine glider for wave gliders

Liu,

Tian,

Wang

et al. 2024

Applied Ocean Research

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Experimental-based hydrodynamic simulation of submarine glider for wave gliders

Liu,

Tian,

Wang

et al. 2024

Applied Ocean Research

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Wave-assisted propulsion: An experimental study on traveling ships

Chan,

Wang,

Yang

et al. 2024

Physics of Fluids

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A submerged hydrofoil interacting with incoming waves produces combined heaving and pitching motion, facilitating the conversion of wave energy into thrust. When the foil is attached to the ship hull, the generated “green” power from wave energy could assist the ship's propulsion system and significantly reduce fuel costs. This study experimentally assesses thrust generation from a fixed mid-hull foil by comparing towing force at different wave and traveling speeds. The optimal mid-hull foil demonstrates a fuel cost reduction ranging from 10.3% to 20.4% at diverse traveling speeds and wave parameters. Thrust generation increases at higher traveling speeds. Additionally, this study mathematically describes the hydrofoil motion with an outer pivot, which better suits the ship–foil model. This study then introduces a Strouhal number (StA,S) specifically for the ship–foil model, considering ship travel, ship response, and the hydrofoil's rotation around its outer pivot.

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Numerical Study on the Energy-Harvesting Performance Of the Flapping Hydrofoil Under Wave Effects

2024

Preprint

View full text Add to dashboard Cite

Dual-function flapping hydrofoil: Energy capture and propulsion in ocean waves

Cited by 3 publications

References 50 publications

Experimental-based hydrodynamic simulation of submarine glider for wave gliders

Experimental-based hydrodynamic simulation of submarine glider for wave gliders

Wave-assisted propulsion: An experimental study on traveling ships

Numerical Study on the Energy-Harvesting Performance Of the Flapping Hydrofoil Under Wave Effects

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