Reason for renewed interest in transonic airfoils is advent of aircraft designed to cruise at supersonic speeds; airfoil test techniques in Boeing Transonic Wind Tunnel were required to have minimum departure from normal tunnel configurations; wing models were mounted vertically from solid-floor turntable with test region contained between two large horizontal end plates; technique produced accurate data at section Reynolds number of 6,000,000; on-line analog system provided plots of section pressure distributions, wake profiles, and drag polars for immediate analysis.
Technique for testing airfoil sections at transonic speeds
J Aircraft
Journal of Aircraft ; 3 , n 1
1966
6 pages
Aufsatz (Zeitschrift)
Englisch
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