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Volume 29 Issue 4
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2021  >  29(4): 374-382
LIU Fen, PENG Bin, SUN Xiu-jun, SANG Hong-qiang. Numerical Simulation Analysis of Flexible Hydrofoil Propulsion Performance for Wave Glider[J]. Journal of Unmanned Undersea Systems, 2021, 29(4): 374-382. doi: 10.11993/j.issn.2096-3920.2021.04.002
Citation: LIU Fen, PENG Bin, SUN Xiu-jun, SANG Hong-qiang. Numerical Simulation Analysis of Flexible Hydrofoil Propulsion Performance for Wave Glider[J]. Journal of Unmanned Undersea Systems, 2021, 29(4): 374-382. doi: 10.11993/j.issn.2096-3920.2021.04.002
shu

Numerical Simulation Analysis of Flexible Hydrofoil Propulsion Performance for Wave Glider

doi: 10.11993/j.issn.2096-3920.2021.04.002
  • 1.

    School of Mechanical Engineering, Tianjin Polytechnic University, Tianjin 300387, China

  • 2.

    Tianjin Key Laboratory of Advanced Mechatronic Equipment Technology, Tianjin 30087, China

  • 3.

    Physical Oceanorgraphy Laboratory, Ocean University of China, Qingdao 266100, China

  • 4.

    Laboratory of Marine Dynamics and Climate Function, Pilot National Laboratory for Marine Science and TechnologyQingdao, Qingdao 266237, China

  • Publish Date: 2021-08-31
    Abstract
  • The hydrofoil is a key component that determines the capability of wave power conversions and the navigation performance of wave gliders. The propulsion performance of a flexible hydrofoil is investigated in this study. The passive deformation process of a flexible hydrofoil under active heave motion is simulated using the COMSOL Multiphysics software according to the motion characteristics of a hydrofoil when the wave glider is working. The effects of wave and pitching motion parameters and the Strouhal number on the propulsion performance of the hydrofoil are investigated. The simulation results show that the propulsion performance of the hydrofoil increases with wave height and Strouhal number and decreases with wave period within a certain range. When the wave period is high, the change in wave height and wave period has little effect on the propulsion performance of the hydrofoil. In contrast, when the pitch and wave periods are equal, the pitching motion has a positive effect on the performance.

     

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