Wind Energy Science
Wind Energy Science
WES
Articles | Volume 4, issue 3
Articles | Volume 4, issue 3
https://doi.org/10.5194/wes-4-439-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-4-439-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 4, issue 3
Research article
 | 
28 Aug 2019
Research article |  | 28 Aug 2019

Multi-element ducts for ducted wind turbines: a numerical study

Vinit V. Dighe, Francesco Avallone, Ozer Igra, and Gerard van Bussel

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Short summary
Multi-element ducts are investigated to further improve the aerodynamic performance of ducted wind turbines. CFD simulations are performed for a multi-element duct geometry consisting of a duct and a flap; the goal is to evaluate the effects on the aerodynamic performance of the radial gap length and the deflection angle of the flap. Increasing the radial gap length results in an augmentation of the total thrust generated by the DWT, whereas a larger deflection angle has an opposite effect.
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