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September 10, 2025Wind energy scienceOpen Access

Validation of the near wake of a scaled X-Rotor vertical-axis wind turbine predicted by a free-wake vortex model

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Authors

AAAdhyanth Giri AjayDelft University of TechnologyDBDavid BensasonDelft University of TechnologyDTDelphine De TavernierDelft University of Technology

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Overview

This analysis compares a free-wake vortex model and experimental data in a scaled X-Rotor, suggesting the benefit of 3D aerodynamic tools in capturing wake features.

Key Points

  • CACTUS accurately predicts the flowfield in the rotor volume and very near wake without pitch offsets, and deviations arise with offsets.
  • Experimental validation reveals that significant differences occur when pitch offsets are applied, necessitating model adjustments for accurate results.
  • The study integrates 3D aerodynamic aspects induced by coned blades, highlighting their impact on wake behavior compared to traditional 2D models.
  • Results emphasize the importance of advanced modeling techniques in understanding complex aerodynamics associated with VAWTs.

Cite This Study

Ajay et al. (2025) studied this question.

synapsesocial.com/papers/68c198cd9b7b07f3a061abafhttps://doi.org/10.5194/wes-10-1829-2025
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Also Consider

Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1A numerical investigation of wake recovery for an H- and X-shaped vertical-axis wind turbine with wake control strategies2024 · 7 citations
  2. 2Free-vortex models for wind turbine wakes under yaw misalignment – a validation study on far-wake effects2023 · 20 citations