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April 3, 2026Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy

Passive control of boundary layer flow separation on wind turbine blade using flow deflector

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Authors

JZJunwei ZhongQZQiqi ZhangYGYufeng Gan

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Overview

Numerical simulations reveal flow deflector enhances aerodynamic performance of wind turbine blades, indicating effective flow control.

Key Points

  • The aim is to explore a passive control method using a flow deflector to reduce flow separation on wind turbine blades and improve performance.
  • Conducted numerical simulations using the transition SST model.
  • Investigated the flow control mechanism of a flow deflector on blade flow structure.
  • Evaluated the effects of flow deflector geometric parameters on performance.
  • Flow deflector significantly reduces flow separation, improving shaft torque and power coefficient.
  • Achieved over 38.8% enhancement in sectional power output within specific radius range.
  • Optimal configurations led to increases in torque and coefficient by 18.24% to 20.82% at various wind speeds.

Cite This Study

Zhong et al. (2026) studied this question.

synapsesocial.com/papers/69cf5ebd5a333a821460d537https://doi.org/10.1177/09576509261441025
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