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Effect of periodic changes of angle of attack on behavior of airfoils (1922)
Katzmayr, · leaf 15
■■%\J^^^-^t. \V¥^ y^^ i^±9 … pr6>e=^00 •^0 :05 no 715 -• Fig. 5 - Airfoil 0189 0 .05 .10 -15 -^u -^iJ-rFig.7- Airfoil G413. Oscillationoper ciinute = n. .20 25 Cq 1.4, Angle of at/cack = a Angle of oocilla-Jion = 3 Wind prey33v.ro,r.:7t cf ^ater sp. »«Boundary layer control - compressors · Boundary layer control - turbines · Boundary layer control - slots · Turbines - efficiency · Compressors, axial - efficiency · Airfoils - cascades
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