Results of drag and pressure tests of spheres having diameters of 2, 4, 6, 8, 10 and 12 in. in eight wind tunnels, in air ahead of carriage in N A C A tank, and beneath autogiro in flight; measurements of sphere drag and of pressure difference between front stagnation point and rear portion of sphere. (Price 15¢)
Turbulence factors of N.A.C.A. wind tunnels as determined by sphere tests
Nat Advisory Committee Aeronautics -- Report
1936
21 pages
Bibliography
Report
Englisch
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