The vortex theory and its significance in aviation (1930)
NASA Technical Reports Server (NTRS) · leaf 29
H.A.C.A. Technical Memorandum No.576 Jigs.l to 22. □ □ Fig.l Parallel flow at constant velocity Tig.2 Fluid rotating yig,4 Nonrotatiomal Fig.5 Froro'varia- like a solid fiow with tion of body* concentric streamlines squares shown in i j !!ig-6 (potential vortex) Fige.l to 4 doe to … Fig.12 Vortex with mmmmz^ 3 annular core yig.19 Circulation Fig.20 Vortex around a wing. formation on trailing ed&e at beginining of motion. 1/1 Fig.16 Extension of a vortex core. Fig". 22 Relation "between circul- V%1 ation around wing (line integ.l) and Fig.21 Lateral Fig.18 Fig.13 bending Lift…
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