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Flow in Smooth Straight Pipes at Velocities Above and Below Sound Velocity (1938)
NASA Technical Reports Server (NTRS) · leaf 20
N.A.C.A. Technical Memorandum No. 844 *lgs.1,2.3,4,5,6,7 … ^^^■^ locity measur- Figure 1.- Test set-up; a,vacuum tanks; ing apparatus. Figure 2.-For "below-sound velocities, b,gas reservoir; c,vacuum Figure 3.- For above-sound pump; d,air drying apparatus; e,shut- velocities. off cock; f,test pipe. Figure 4.- For sound velocity at end section of pipe. L…NASA Technical Reports Server (NTRS)
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