Analysis of the high Reynolds number 2D tests on a wind turbine airfoil performed at two different wind tunnels

摘要

2DwindtunneltestsathighReynoldsnumbershavebeendonewithintheEUFP7AVATARproject(AdvancedAerodynamicToolsoflArgeRotors)ontheDU00-W-212airfoilandattwodifferenttestfacilities:theDNWHighPressureWindTunnelinGottingen(HDG)andtheLMWindPowerin-housewindtunnel.TwoconditionsofReynoldsnumbershavebeenperformedinbothtests:3and6million.TheMachnumberandturbulenceintensityvaluesaresimilarinbothwindtunnelsatthe3millionReynoldsnumbertest,whiletheyaresignificantlydifferentat6millionReynoldsnumber.Thepaperpresentsacomparisonofthedataobtainedfromthetwowindtunnels,showinggoodrepeatabilityat3millionReynoldsnumberanddifferencesat6millionReynoldsnumberthatareconsistentwiththedifferentMachnumberandturbulenceintensityvalues...