High fidelity CFD-CSD aeroelastic analysis of slender bladed horizontal-axis wind turbine
| Autor: | Mohamed Sayed, Th. Lutz, Roland Wüchner, Kai-Uwe Bletzinger, Sh. Shayegan, Aditya Ghantasala, Ewald Krämer |
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| Rok vydání: | 2016 |
| Předmět: |
Coupling
History Engineering Turbine blade business.industry 020209 energy 02 engineering and technology Structural engineering Aerodynamics Computational fluid dynamics Solver Aeroelasticity 01 natural sciences Turbine Computer Science Applications Education law.invention Physics::Fluid Dynamics 010101 applied mathematics law 0202 electrical engineering electronic engineering information engineering 0101 mathematics business Beam (structure) |
| Zdroj: | Journal of Physics: Conference Series. 753:042009 |
| ISSN: | 1742-6596 1742-6588 |
| DOI: | 10.1088/1742-6596/753/4/042009 |
| Popis: | The aeroelastic response of large multi-megawatt slender horizontal-axis wind turbine blades is investigated by means of a time-accurate CFD-CSD coupling approach. A loose coupling approach is implemented and used to perform the simulations. The block- structured CFD solver FLOWer is utilized to obtain the aerodynamic blade loads based on the time-accurate solution of the unsteady Reynolds-averaged Navier-Stokes equations. The CSD solver Carat++ is applied to acquire the blade elastic deformations based on non-linear beam elements. In this contribution, the presented coupling approach is utilized to study the aeroelastic response of the generic DTU 10MW wind turbine. Moreover, the effect of the coupled results on the wind turbine performance is discussed. The results are compared to the aeroelastic response predicted by FLOWer coupled to the MBS tool SIMPACK as well as the response predicted by SIMPACK coupled to a Blade Element Momentum code for aerodynamic predictions. A comparative study among the different modelling approaches for this coupled problem is discussed to quantify the coupling effects of the structural models on the aeroelastic response. |
| Databáze: | OpenAIRE |
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