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July 2, 2026TechnologiesOpen Access

Numerical and Experimental Assessment of a Passive Flow-Control Strategy for Vertical-Axis Wind Turbine Blades

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Authors

IBIoana-Octavia BucurDCDaniel-Eugeniu CrunțeanuMDMădălin Dombrovschi

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Overview

Randomized trial evaluates enhanced performance in modified vertical-axis wind turbines, suggesting improved energy generation capacity.

Key Points

  • This study aims to assess the effectiveness of a passive flow-control strategy on the efficiency of vertical-axis wind turbines.
  • Evaluated two rotor configurations: a baseline and a modified rotor with inclined cavities.
  • Conducted CFD simulations using 2D transient ANSYS Fluent with Dynamic Mesh and 6DOF.
  • Performed experimental measurements on fabricated rotor models to assess electrical power output.
  • At 14 m/s, the modified rotor produced an average useful power of 1.314 ± 0.016 W, a 39.79% increase compared to 0.940 ± 0.014 W for the baseline.
  • The modified rotor achieved a 13.22% higher tip speed ratio than the baseline configuration.
  • The 2D CFD model accurately ranked performance but overpredicted absolute power levels.

Cite This Study

Bucur et al. (2026) studied this question.

synapsesocial.com/papers/6a4600489ed134303131086dhttps://doi.org/10.3390/technologies14070400
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