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AviationAerodynamics

An Evaluation of the Characteristics of a 10-Percent-Thick NACA 66- Series Airfoil Section With a Special Mean-Camber Line Designed to Produce a High Critical Mach Number

Authors: Laurence K. Loftin Jr.; Kenneth S. Cohen; NATIONAL AERONAUTICS AND SPACE ADMINISTRATION HAMPTON VA LANGLEY RESEARCH CENTER
Abstract:
The mean-camber line of an airfoil may be so designed that the induced velocities resulting from the camber will occur over that part of the airfoil chord along which the induced velocities resulting from the basic thickness form are small. Thus, by a proper combination of mean line and basic thickness form, the critical Mach number of a cambered airfoil may be increased above that usually predicted for an airfoil cambered with a more conventional- type mean line such as the a = 1.0.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Technical note
Pages: 34
Report Date: JUL 1948
Report Number: A954183
Keywords relating to this report:
*AIRFOILS
CAMBER
MACH NUMBER
MEAN
THICKNESS
VELOCITY
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