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Tests in the Variable Density Wind Tunnel to Investigate the Effects of Scale and Turbulence on Airfoil Characteristics (1931)
NASA Technical Reports Server (NTRS) · leaf 39
o Without screen XWith screen .030 2 3 4 6 ipoopoo Reynold's dumber M Fig.11 Scale and turburlence effects on minimum drag^N.A.C.A. 0021 airfoil.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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