Preprints
https://doi.org/10.5194/wes-2024-63
https://doi.org/10.5194/wes-2024-63
01 Jul 2024
 | 01 Jul 2024
Status: this preprint is currently under review for the journal WES.

Performance enhancements on wind turbines using flow controllers: A review

Kiarash Kord, Amir Noori, Nahid Hasanpour, Ali Heydari, Homayoun Askarpour, Mehdi Kashfi, and Shayan Pakravan

Abstract. An effective strategy for enhancing the performance of wind turbines has been identified in the utilization of flow controllers. In this review paper, recent advances in flow control techniques and their impact on the aerodynamic performance of wind turbines at different Tip Speed Ratios (TSRs) are summarized. Emphasis is placed on the examination of the effects of various geometrical parameters of flow controllers on the performance of wind turbines through numerical studies. The aerodynamic principles underlying each flow controller and their functioning on wind turbines are elucidated for each flow controller. The geometrical parameters of each flow controller, as explored in prior studies, are the focal point. The TSR range in which each technique is most effective, along with the advantages and limitations of each, is identified. Furthermore, the current state of knowledge concerning the utilization of active flow controllers and their impact on wind turbine performance is discussed. In conclusion, this comprehensive review paper presents an overview of state-of-the-art research on flow controllers for wind turbines, with a specific focus on the geometrical parameters and TSRs studied, and identifies potential areas for future research and development.

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
Kiarash Kord, Amir Noori, Nahid Hasanpour, Ali Heydari, Homayoun Askarpour, Mehdi Kashfi, and Shayan Pakravan

Status: open (until 03 Aug 2024)

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Kiarash Kord, Amir Noori, Nahid Hasanpour, Ali Heydari, Homayoun Askarpour, Mehdi Kashfi, and Shayan Pakravan
Kiarash Kord, Amir Noori, Nahid Hasanpour, Ali Heydari, Homayoun Askarpour, Mehdi Kashfi, and Shayan Pakravan

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Short summary
Flow controllers hold promise for boosting wind turbine efficiency by smoothing airflow, optimizing blade angles, and reducing stress on blades. This review examines how different flow controller designs and wind speeds impact turbine performance, paving the way for future advancements in wind energy technology.
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