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An experiment of a hydropower conversion system based on vortex-induced vibrations in a confined channel

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  • Dellinger, Nicolas
  • François, Pierre
  • Lefebure, David
  • Mose, Robert
  • Garambois, Pierre-Andre

Abstract

A hydropower conversion system based on vortex-induced vibrations is investigated experimentally. It consists in a cylinder immerged in a low-velocity flow in a channel (under 1 m/s), which is linked to a variable stiffness spring, so that the natural frequency of the system might be controlled. Current studies report investigations on marine applications. Although rivers or channels constitute a strong energy potential, they are not exploited enough. In this paper, we will investigate the feasibility of such a system implantation in a confined flow in a channel, with important edge effects. We propose a study of the effects of a confined flow on the efficiency of the system. We will highlight feasible improvements, particularly through automatic control strategies (generator behaviour, system's natural frequency). Moreover, we show the strong influence of confinement on the flow topology through velocity field measurements using pulse-pair method.

Suggested Citation

  • Dellinger, Nicolas & François, Pierre & Lefebure, David & Mose, Robert & Garambois, Pierre-Andre, 2018. "An experiment of a hydropower conversion system based on vortex-induced vibrations in a confined channel," Renewable Energy, Elsevier, vol. 115(C), pages 54-63.
    • Handle: RePEc:eee:renene:v:115:y:2018:i:c:p:54-63
    DOI: 10.1016/j.renene.2017.07.122
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    References listed on IDEAS

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    1. Jun Zhang & Fang Liu & Jijian Lian & Xiang Yan & Quanchao Ren, 2016. "Flow Induced Vibration and Energy Extraction of an Equilateral Triangle Prism at Different System Damping Ratios," Energies, MDPI, vol. 9(11), pages 1-22, November.
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    Cited by:

    1. Hamlehdar, Maryam & Kasaeian, Alibakhsh & Safaei, Mohammad Reza, 2019. "Energy harvesting from fluid flow using piezoelectrics: A critical review," Renewable Energy, Elsevier, vol. 143(C), pages 1826-1838.
    2. Shuang Li & Yong Yang & Qing Xia, 2018. "Dynamic Safety Assessment in Nonlinear Hydropower Generation Systems," Complexity, Hindawi, vol. 2018, pages 1-8, April.
    3. Tamimi, V. & Wu, J. & Esfehani, M.J. & Zeinoddini, M. & Naeeni, S.T.O., 2022. "Comparison of hydrokinetic energy harvesting performance of a fluttering hydrofoil against other Flow-Induced Vibration (FIV) mechanisms," Renewable Energy, Elsevier, vol. 186(C), pages 157-172.
    4. Kim, Ki Jong & Kim, Junyoung & Kim, Daegyoum, 2023. "Slosh-induced piezoelectric energy harvesting in a liquid tank," Renewable Energy, Elsevier, vol. 206(C), pages 409-417.

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