United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 100
n impact. Further investigations are beingmade of the matter. For the graphs of this report the usual wind-tunnel practice has been followed, wherein thedensity in the room rather than in the tunnel is used as a basis on which to figure velocity.This has been done for convenience in view of the… … FIG. 18H.—TRANSITION TYPE OF AIR FLOW ABOUT /EROFOIL AT SECOND CRITICAL SPEED (LOOKING ALONG AXIS OF TIP VORTEX).84
Aeronautics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
