Wind Energy Science
Wind Energy Science
WES
Articles | Volume 5, issue 4
Articles | Volume 5, issue 4
https://doi.org/10.5194/wes-5-1537-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-5-1537-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 5, issue 4
Research article
 | 
10 Nov 2020
Research article |  | 10 Nov 2020

Identification of airfoil polars from uncertain experimental measurements

Chengyu Wang, Filippo Campagnolo, and Carlo L. Bottasso

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Short summary
A new method is described to identify the aerodynamic characteristics of blade airfoils directly from operational data of the turbine. Improving on a previously published approach, the present method is based on a new maximum likelihood formulation that includes errors both in the outputs and the inputs. The method is demonstrated on the identification of the polars of small-scale turbines for wind tunnel testing.
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