Wind turbine airfoil catalogue

Book English OPEN
Bertagnolio, F. ; Sørensen, Niels N. ; Johansen, Jeppe ; Fuglsang, P. (2001)
  • Subject: Vindenergi og atmosfæriske processer | Risø-R-1280 | Risø-R-1280(EN)

The aim of this work is two-sided. Firstly, experimental results obtained for numerous sets of airfoil measurements (mainly intended for wind turbine applications) are collected and compared with computational results from the 2D Navier-Stokes solverEllipSys2D, as well as results from the panel method code XFOIL. Secondly, we are interested in validating the code EllipSys2D and finding out for which airfoils it does not perform well compared to the experiments, as well as why, when it does so. Theairfoils are classified according to the agreement between the numerical results and experimental data. A study correlating the available data and this classification is performed. It is found that transition modelling is to a large extent responsible forthe poor quality of the computational results for most of the considered airfoils. The transition model mechanism that leads to these discrepancies is identified. Some advices are given for elaborating future airfoil design processes that would involvethe numerical code EllipSys2D in particular, and transition modelling in general.
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