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The interdependence of profile drag and lift with Joukowski type and related airfoilsOn the basis of a systematic investigation of Gottingen wind-tunnel data on Joukowski type and related airfoils, it is shown in what manner the profile drag coefficient is dependent on the lift coefficient. The individual factors for the construction of the profile drag polars are given. They afford a more accurate calculation of the performance coefficients of airplane designs than otherwise attainable with the conventional assumption of constant drag coefficient.
Document ID
19930094649
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Muttray, H
Date Acquired
September 6, 2013
Publication Date
March 1, 1935
Report/Patent Number
NACA-TM-768
Accession Number
93R23569
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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