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. … 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 v / Pres sure the fluid flow. Tig.3 Shearing X forces on flow in —A h— a fluid parallel stream- V >C sphere,…
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