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Opportunities for aerodynamic-drag reductionMethods for reducing aerodynamic drag to improve aircraft performance and reduce fuel consumption are discussed. The techniques considered are: (1) pressure drag reduction, (2) supercritical airfoils, (3) subcritical airfoils, (4) induced drag reduction by over-the-wing blowing and increased aspect ratio, and (5) friction drag reduction by laminar flow control and slot injection. It is stated that a 50 percent reduction from current drag values is expected through the application of these techniques.
Document ID
19750020943
Document Type
Conference Paper
Authors
Bower, R. E. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1975
Publication Information
Publication: NASA/Univ. Conf. on Aeron.
Subject Category
AIRCRAFT DESIGN, TESTING AND PERFORMANCE
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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IDRelationTitle19750020928Analytic PrimaryNASA/University Conference on Aeronautics
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