General Theory of the Steady Motion of an Airplane (1921)
NASA Technical Reports Server (NTRS) · leaf 60
eeds; as a result of this speed difference, a Vortex sheet must be formed between them.1 But such vortex sheets being unstable, as is known, they must break into a system of vortex rows. v. Karman2 has showk that among all possible vortex rows, it is the system of quincunx vortex rows that… … f.2S. TH£ STRUCTURE OF TH£ W/A/D BU/LD/NG OF QUINCUNX. VORTFX ftOWS We are thus naturally brought to the conclusion that as a consequence of the speed differ- ence between air-layers, a formation of vbrtex rows in quincunx must take place between such layers. The ordinary atmospheric wind thus…
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
