Wind Energy Science
Wind Energy Science
WES
Articles | Volume 11, issue 9
Articles | Volume 11, issue 9
https://doi.org/10.5194/wes-11-3337-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-11-3337-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 9
Research article
 | 
07 Sep 2026
Research article |  | 07 Sep 2026

Detailed experimental investigation of the aerodynamics and blade/tower interaction of a 1.5 MW wind turbine in a downwind configuration

Helge Aagaard Madsen, Pietro Bortolotti, Thanasis Barlas, Pourya Nikoueeyan, Christopher Kelley, Claus Brian Munk Pedersen, Per Hansen, Andreas Fischer, Chris Ivanov, Jason Roadman, Jonathan Naughton, Kenneth Brown, Mark Iverson, and Simon Thao

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Short summary
We present a detailed experimental investigation of the flow details of the blade/tower interaction (BTI) on a 1.5 MW wind turbine operating in a downwind configuration. The objective is to clarify some of the most important barriers for the downwind turbine concept linked to the impulsive loading from the blade/tower interaction generating low-frequency noise and increased loading. Unique instrumentation was used, comprising two extruded pressure belts on one of the blades and on the tower.
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