Some measurements of the buffet region of a swept-wing research airplane during flight to supersonic Mach numbers Page: 3 of 16
This report is part of the collection entitled: National Advisory Committee for Aeronautics Collection and was provided to Digital Library by the UNT Libraries Government Documents Department.
The following text was automatically extracted from the image on this page using optical character recognition software:
2 m NACA RM L53D06
of the buffeting encountered by a swept-wing research airplane during
high-altitude flights at high subsonic and supersonic Mach numbers.
The airplane used for this investigation was an air-launched
rocket-powered version of the Douglas D-558-II research airplanes which
was procured by the Bureau of Aeronautics, Department of the Navy, for
use by the National Advisory Committee for Aeronautics as part of the
cooperative NACA-Navy transonic flight research program. During explor-
atory flights performed primarily to demonstrate the operational char-
acteristics of the airplane, data were obtained on lateral stability,
longitudinal trim, and buffeting characteristics.
a velocity of sound, ft/sec
CNA airplane normal-force coefficient, nW/qS
g acceleration due to gravity, ft/sec2
hp pressure altitude, ft
M Mach number, V/a
n airplane normal load factor, g units
q free-stream dynamic pressure, =V2, lb/sq ft
S wing area, sq ft
V free-stream velocity, ft/sec
W airplane gross weight, Ib
ZCNA incremental fluctuation of airplane normal-force coefficient
due to buffeting, W6n/qS
An incremental fluctuation of load factor due to buffeting,
p mass density of air, slugs/cu ft
Here’s what’s next.
This report can be searched. Note: Results may vary based on the legibility of text within the document.
Tools / Downloads
Get a copy of this page or view the extracted text.
Citing and Sharing
Basic information for referencing this web page. We also provide extended guidance on usage rights, references, copying or embedding.
Reference the current page of this Report.
Baker, Thomas F. Some measurements of the buffet region of a swept-wing research airplane during flight to supersonic Mach numbers, report, May 28, 1953; (digital.library.unt.edu/ark:/67531/metadc59778/m1/3/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.