Articles | Volume 5, issue 4
Wind Energ. Sci., 5, 1537–1550, 2020
https://doi.org/10.5194/wes-5-1537-2020
Wind Energ. Sci., 5, 1537–1550, 2020
https://doi.org/10.5194/wes-5-1537-2020

Research article 10 Nov 2020

Research article | 10 Nov 2020

Identification of airfoil polars from uncertain experimental measurements

Chengyu Wang et al.

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Latest update: 26 Jul 2021
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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.