Development and Validation of the IAG Dynamic Stall Model in State-Space Representation for Wind Turbine Airfoils

Galih Bangga (), Steven Parkinson and William Collier
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Galih Bangga: DNV Services UK Limited, One Linear Park, Avon Street, Temple Quay, Bristol BS2 0PS, UK
Steven Parkinson: DNV Services UK Limited, One Linear Park, Avon Street, Temple Quay, Bristol BS2 0PS, UK
William Collier: DNV Services UK Limited, One Linear Park, Avon Street, Temple Quay, Bristol BS2 0PS, UK

Energies, 2023, vol. 16, issue 10, 1-25

Abstract: Considering the dynamic stall effects in engineering calculations is essential for correcting the aerodynamic loads acting on wind turbines, both during power production and stand-still cases, and impacts significantly the turbine aeroelastic stability. The employed dynamic stall model needs to be accurate and robust for a wide range of airfoils and range of angle of attack. The present studies are intended to demonstrate the performance of a recently implemented “IAG dynamic stall” model in a wind turbine design tool Bladed. The model is transformed from the indicial type of formulation into a state-space representation. The new model is validated against measurement data and other dynamic stall models in Bladed for various flow conditions and airfoils. It is demonstrated that the new model is able to reproduce the measured dynamic polar accurately without airfoil specific parameter calibration and has a superior performance compared to the incompressible Beddoes–Leishman model and the Øye model in Bladed.

Keywords: aerodynamics; dynamic stall; engineering model; wind energy; wind turbine (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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