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Airfoil section characteristics as affected by protuberancesThe drag and interference caused by protuberance from the surface of an airfoil have been determined in the NACA variable-density wind tunnel at a Reynolds number approximately 3,100,000. The effects of variations of the fore-and-aft position, height, and shape of the protuberance were measured by determining how the airfoil section characteristics were affected by the addition of the various protuberances extending along the entire span of the airfoil. The results provide fundamental data on which to base the prediction of the effects of actual short-span protuberances. The data may also be applied to the design of air brakes and spoilers.
Document ID
19930091520
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Jacobs, Eastman N
Date Acquired
September 6, 2013
Publication Date
January 1, 1934
Report/Patent Number
NACA-TR-446
Accession Number
93R20810
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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