Flow-Induced Vibration and energy harvesting of three tandem-arranged hydrofoils

Wenke Tong, Xue Jiang, Xiaoyu Qin, Boyang Li, Baoshou Zhang, Ni Zhang and Baoshang Liu

Energy, 2025, vol. 334, issue C

Abstract: This article investigates a Flow-Induced Vibration (FIV) based ocean current energy harvesting method utilizing hydrofoils, proposing an efficient energy harvesting scheme that utilizes tandem hydrofoils to capture the wake energy from upstream flow. Numerical simulations of the FIV response and energy harvesting of three tandem NACA 0012 hydrofoils were performed using the two-dimensional unsteady Reynolds-Averaged Navier-Stokes (uRANS) equations with the SST k-ω turbulence model. The center-to-center spacing between hydrofoils ranged from 2.5D to 4D (where D is the chord length of the hydrofoil). The results indicate that as the flow velocity increases from 0.2 m/s to 2 m/s (5.3 × 104Keywords: Ocean energy; Hydrofoil; Flow-Induced Vibration (FIV); Spacing ratio; Energy conversion (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:334:y:2025:i:c:s0360544225035121

DOI: 10.1016/j.energy.2025.137870

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