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The study investigates the performance of a three-bladed vertical-axis tidal turbine using computational fluid dynamics simulations. A sliding mesh method and actuator line model are utilized. A validation and comparison of the approaches is provided. The actuator line method demonstrated acceptable accuracy while offering a threefold reduction in computational time and resource requirements compared to the sliding mesh method. The proposed numerical simulation methodology is used to investigate the influence of blade curvature on the vertical turbine characteristics. The results show that the inward curved shape of the blades provides the highest value of power coefficient.

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Numerical Investigation of the Effects of Blade Curvature on the Performance of a Vertical Tidal Turbine

  • 会议论文

  • 发表日期：

    2026年

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  • Sofya Yarikova,
  • Andrey Epikhin,
  • Azat Valiev

摘要

The study investigates the performance of a three-bladed vertical-axis tidal turbine using computational fluid dynamics simulations. A sliding mesh method and actuator line model are utilized. A validation and comparison of the approaches is provided. The actuator line method demonstrated acceptable accuracy while offering a threefold reduction in computational time and resource requirements compared to the sliding mesh method. The proposed numerical simulation methodology is used to investigate the influence of blade curvature on the vertical turbine characteristics. The results show that the inward curved shape of the blades provides the highest value of power coefficient.