The boundary layer as a means of controlling the flow of liquids and gases (1930)
NASA Technical Reports Server (NTRS) · leaf 23
N.A.C.A. Technical Memorandum No.555 Figs.1,2 0 2 4 6 8 10 12 a Fig.l Pressure gain p in a diffuser plotted against the angle of divergence a for a constant length of the diffuser. The pressure gain p is expressed as a function of the kinetic energy# -gvd (impact pressure) available per unit… … 10 0 10 20 30 40 a Fig.2 The lift of an airplane wing (aspect ratio 5) plotted against the angle of attack. As usual the lift A is referred to the impact pressure -ft- v2 of the,air flow and to the wing area F. a,is the actual lift curve and bfthe curve for frictionles.s flow. 9
NASA Technical Reports Server (NTRS)
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