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- Title
Aeroelastic loads on a 10MW turbine exposed to extreme events selected from a year-long large-eddy simulation over the North Sea.
- Authors
Schepers, Gerard; van Dorp, Pim; Verzijlbergh, Remco; Baas, Peter; Jonker, Harmen
- Abstract
In this article the aeroelastic loads on a 10MW turbine in response to extreme events (low-level jet, shear, veer and turbulence intensity) selected from a year-long large-eddy simulation (LES) on a site at the North Sea are evaluated. These events are generated with a high-fidelity LES wind model and fed into an aeroelastic tool using two different aerodynamic models: a model based on blade element momentum (BEM) and a free vortex wake model. Then the aeroelastic loads are calculated and compared with the loads from the IEC standards. It was found that the loads from all these events remain within those of the IEC design loads. Moreover, the accuracy of BEM-based methods for modelling such wind conditions showed a considerable overprediction compared to the free vortex wake model for the events with extreme shear and/or veer.
- Subjects
NORTH Sea; AEROELASTICITY; WIND turbines; LARGE eddy simulation models; VORTEX motion
- Publication
Wind Energy Science, 2021, Vol 6, Issue 4, p983
- ISSN
2366-7443
- Publication type
Article
- DOI
10.5194/wes-6-983-2021