Annual report - National Advisory Committee for Aeronautics (1915)
United States. National Advisory Committee for Aeronautics · Washington, U.S. Govt. Print. Off · leaf 171
156 REPORT NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS Figure 5. — Additional A Cd due to the effect of camber were plotted from data obtained in the variable density tunnel. The accuracy of these curves can be surmised by the scattering of points plotted; the error, however, is only a small per… … at high Reynolds Numbers, one finds in support of Mr. Knight’s suggestion that, as a simple approximation AC^0 = 0.0093 CL3-25 (20) This holds true approximately for all normal-shaped sections. Hence, C»o=CDLo + 0.0093 CL3-25 (21) and Total CD— CDLo + 0.0093 CL3,25 -1 — (elliptical wings) (22) n 20…
Aeronautics · Aeronautics, Military · United States. National Advisory Committee for Aeronautics · Aeronautics -- United States -- Periodicals · Aeronautics, Military -- United States -- Periodicals
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