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This is a Experimental Study study.

October 8, 2025Wind energy scienceOpen Access

On the wake re-energization of the X-Rotor vertical-axis wind turbine via the vortex-generator strategy

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Authors

DBDavid BensasonDelft University of Technology ASAndrea SciacchitanoDelft University of Technology CFCarlos FerreiraUniversidade Federal do Rio Grande do Sul

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Implication

Experimental investigation reveals vortex-generator technique enhances wake recovery in VAWTs, suggesting potential for improved wind farm efficiency.

Key Points

Wake recovery mechanisms show significant efficiency, with power up to 2.2 times greater downstream of modified turbines.
Time-averaged wake topology measured using particle-image velocimetry under various pitch conditions demonstrates enhanced energy density.
The vortex-generator method accelerates wake recovery, leading to improved power availability for downstream vertical-axis wind turbines.
Pitched configurations exhibit differing flow characteristics, impacting momentum recovery in the wake of the X-Rotor design.

Cite This Study

Bensason et al. (2025) studied this question.

synapsesocial.com/papers/68e6a0f4718ef0a556b33dc9 https://doi.org/10.5194/wes-10-2137-2025

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Implication

Experimental investigation reveals vortex-generator technique enhances wake recovery in VAWTs, suggesting potential for improved wind farm efficiency.