Scale-adaptive simulation (SAS) of dynamic stall on a wind turbine

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Scale-adaptive simulation (SAS) approach is employed to investigate the complex dynamic stall phenomena occurring on a wind turbine blade. The results are com-pared with the more popular less computationally-expensive unsteady Reynolds-averaged Navier-Stokes (URANS) approach where the latter is validated using three sets of experimental data. The comparison reveals that the two approaches have similar predictions of the instant of the formation/bursting/shedding of the laminar separation bubble (LSB) and dynamic stall vortex (DSV), the size of the LSB and aerodynamic loads during the upstroke. This is while the two approach-es exhibit dissimilar predictions of the trailing-edge vortex characteristics, its in-teraction with the DSV, number of secondary vortices and aerodynamic loads during the downstroke.
Originele taal-2Engels
TitelProgress in Hybrid RANS-LES Modelling (HRLM 2018)
RedacteurenY. Hoarau, S.H. Peng, D. Schwamborn, A. Revell, C. Mockett
Aantal pagina's11
ISBN van elektronische versie978-3-030-27607-2
ISBN van geprinte versie978-3-030-27606-5
StatusGepubliceerd - 2 nov. 2019

Publicatie series

NaamNotes on Numerical Fluid Mechanics and Multidisciplinary Design
ISSN van geprinte versie1612-2909
ISSN van elektronische versie1860-0824


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