Abstract
Numerical computations using the Unsteady Reynolds Averaged Navier-Stokes (URANS) and Delayed Detached-Eddy Simulations (DDES) approaches are carried out to investigate the complex three-dimensional flow in the root region of a generic 10 MW wind turbine rotor. Preliminary studies regarding the time step size and the number of rotor revolution required for the time averaging procedure are conducted. In the blade outer region, URANS is sufficient to predict the general flow characteristics, but small discrepancies are observed in the blade root area where the flow is massively separated.
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CITATION STYLE
Bangga, G., Weihing, P., Lutz, T., & Krämer, E. (2018). Hybrid RANS/LES simulations of the three-dimensional flow at root region of a 10 MW wind turbine rotor. In Notes on Numerical Fluid Mechanics and Multidisciplinary Design (Vol. 136, pp. 707–716). Springer Verlag. https://doi.org/10.1007/978-3-319-64519-3_63
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