Vortex Noise from Rotating Cylindrical Rods (1935)
NASA Technical Reports Server (NTRS) · leaf 14
Figi. 1,2 A.C.A. Technical Note No. 519 Figure 1.-Distribution of sound pressure about 18-inch rod rotating 2,800 times a minute. Figure 2.-Variation of sound pressure with tip speed for three rods.
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