Du00-W-212 Airfoil Polars, Mimicked Danaero Inflow

Averaged lift and drag coeffficients of a DU00-W-212 profile in turbulent inflow generated with an active grid at Reynolds numbers 500,000 and 900,000. The inflow pattern was mimicked from measurements a the blade with a 5-hole pressure probe performed in teh DanAero project. Data is obtained with a three-component load cell and via integration of 48 scanned pressure tabs along the chord.<br> Standard wind tunnel corrections according to Allen &amp; Vincenti are applied. Data sets 203, 204, 210, 211: flow tripped on the surface at 1.5% chord on upper airfoil side, 10% chord on lower airfoil side<br> Data sets 203, 211, 225, 230: measured starting at positive angles of attack (AOA) to negative AOAs<br> Data sets 204, 210, 224, 239: measured starting at negative angles of attack (AOA) to positive AOAs The experiment was performed within in the EU-funded project AVATAR (www.eera-avatar.eu).