Wind Energy Science
Wind Energy Science
WES
Articles | Volume 5, issue 1
Articles | Volume 5, issue 1
https://doi.org/10.5194/wes-5-1-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-5-1-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 5, issue 1
Research article
 | 
02 Jan 2020
Research article |  | 02 Jan 2020

Implementation of the blade element momentum model on a polar grid and its aeroelastic load impact

Helge Aagaard Madsen, Torben Juul Larsen, Georg Raimund Pirrung, Ang Li, and Frederik Zahle

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Short summary
We show in the paper that the upscaling of turbines has led to new requirements in simulation of the unsteady aerodynamic forces by the engineering blade element momentum (BEM) model, originally developed for simulation of the aerodynamics of propellers and helicopters. We present a new implementation of the BEM model on a polar grid which can be characterized as an engineering actuator disc model. The aeroelastic load impact of the new BEM implementation is analyzed and quantified.
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