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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Cited articles

Bottasso, C. L. and Campagnolo, F.: Wind Tunnel Testing of Wind Turbines and Farms, in: Handbook of Wind Energy Aerod., edited by: Stoevesandt, B., Schepers, G., Fuglsang, P., and Sun, Y., Springer Nature, Switzerland, https://doi.org/10.1007/978-3-030-05455-7, 2020. a, b
Bottasso, C. L., Cacciola, S., and Iriarte, X.: Calibration of wind turbine lifting line models from rotor loads, Wind Eng. Ind. Aerod., 124, 29-45, https://doi.org/10.1016/j.jweia.2013.11.003, 2014a. a, b, c, d, e, f, g, h, i, j, k, l
Bottasso, C. L., Campagnolo, F., and Petrovic, V.: Wind tunnel testing of scaled wind turbine models: Beyond aerodynamics, J. Wind Eng. Ind. Aerodyn., 127, 11–28, https://doi.org/10.1016/j.jweia.2014.01.009, 2014b. a, b, c, d
Burton, T., Jenkins, N., Sharpe, D., and Bossanyi, E.: Wind energy handbook, John Wiley & Sons, West Sussex, UK, 2011. a
Campagnolo, F.: Wind tunnel testing of scaled wind turbine models: aerodynamics and beyond, PhD thesis, Politecnico di Milano, Milano, Italy, 2013. a, b
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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.