Boundary-Layer Transition on the N.A.C.A. 0012 and 23012 Airfoils in the 8-Foot High-Speed Wind Tunnel

NACA WARTIME REPORTS are reprints of papers originally issued to provide rapid distribution of advance research results to an authorized group requiring them for the war effort.They were previously held under a security status but are now unclassified.Some of these reports were not technically edited.All have been reproduced without change in order to expedite general distribution.