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Effect of periodic changes of angle of attack on behavior of airfoils (1922)

Katzmayr, · leaf 15

An illustration from Effect of periodic changes of angle of attack on behavior of airfoils, 1922, leaf 15
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. »« … 0 TOB ,10 .15 .20 .25 Cqvig. B - Airfoil G189. Oscillationoper ciinute = n. \ ^mpiMLiMMix.i.ii i»i<w|.ji^ij^^in,uj»iT^iji»TiP imJi .ii,M»ini|iyy,itwiipiwi.i iriM)-i^iw.iii^i»wis^^iiii ■.wwm wn^iii>iu»wiw ■^pi giimAJ WHi.ltiMJi|iipi.>ii.|Ji|i;*i^»»^)L<» y»*»^m» *^ J > ^ .V

Boundary layer control - compressors · Boundary layer control - turbines · Boundary layer control - slots · Turbines - efficiency · Compressors, axial - efficiency · Airfoils - cascades

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