3D background aerodynamics using CFD

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    3D rotor computations for the Greek Geovilogiki (GEO) 44 meter rotor equipped with 19 meters blades are performed. The lift and drag polars are extracted at five spanvise locations r/R= (.37, .55, .71, .82, .93) based on identification of stagnationpoints between 2D and 3D computations. The inner most sections shows clear evidence of 3D radial pumping, with increased lift compared to 2D values. In contrast to earlier investigated airfoils a very limited impact on the drag values are observed.
    Original languageEnglish
    Number of pages16
    ISBN (Print)87-550-3141-2
    Publication statusPublished - 2002
    SeriesDenmark. Forskningscenter Risoe. Risoe-R


    • Risø-R-1376
    • Risø-R-1376(EN)

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