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Traveling wave turbine - An internal flow energy absorption mode based on the traveling wave motion

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  • Zhu, Qianming
  • Ma, Qiyu
  • Qi, Yinke
  • Huang, Diangui

Abstract

The plate with traveling wave motion can obtain energy from fluid under certain motion parameters. This energy absorption method, which imitates motion of fish, is called traveling wave energy absorption method. In order to improve the energy absorption efficiency, the traveling wave plate is arranged in the rectangular flow channel and is driven by the high pressure gas coming through the inlet. This internal flow mode is called traveling wave turbine. The traveling wave plate is simplified as a two-dimensional plate. The aerodynamic characteristics of traveling wave turbine are studied by numerical simulation. The results show that: Benefiting from the confinement effects of the rectangular flow channel, the incoming flow can maintain high pressure. Therefore, the time-averaged energy absorption efficiency of traveling wave turbine can reach 62.84%. The pressure of the fluid is high before the traveling wave plate, but it becomes low when the fluid flows through the plate. This means that the energy of the fluid is absorbed by the traveling wave plate. There are vortexes in the traveling wave turbine and the vortexes with opposite rotating directions will accelerate the fluid between them.

Suggested Citation

  • Zhu, Qianming & Ma, Qiyu & Qi, Yinke & Huang, Diangui, 2022. "Traveling wave turbine - An internal flow energy absorption mode based on the traveling wave motion," Renewable Energy, Elsevier, vol. 195(C), pages 137-146.
    • Handle: RePEc:eee:renene:v:195:y:2022:i:c:p:137-146
    DOI: 10.1016/j.renene.2022.06.030
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    References listed on IDEAS

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    1. Ma, Qiyu & Ding, Li & Huang, Diangui, 2021. "A study on the influence of schooling patterns on the energy harvest of double undulatory airfoils," Renewable Energy, Elsevier, vol. 174(C), pages 674-687.
    2. Liang Li & Máté Nagy & Jacob M. Graving & Joseph Bak-Coleman & Guangming Xie & Iain D. Couzin, 2020. "Vortex phase matching as a strategy for schooling in robots and in fish," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
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    Cited by:

    1. Zhu, Qianming & Qi, Yinke & Huang, Diangui, 2023. "Numerical simulation of performance of traveling wave pump-turbine at different wave speeds in pumping mode," Renewable Energy, Elsevier, vol. 203(C), pages 485-494.

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