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Investigation of air flow in open-throat wind tunnels (1930)

NASA Technical Reports Server (NTRS) · leaf 7

An illustration from Investigation of air flow in open-throat wind tunnels, 1930, leaf 7
ressure at the center of the air stream is plotted against the distance from the center of the stream in inches. The vertical lines on the graphs represent the position of the edge of the entrance cones. On each plot is also given a part of the photo- manometer record of the static pressure in the… … Distance from entrance cone, inches Figure fl.—Curves of static pressure and return passage pressor© records solving the problem of pulsations in the variable density wind tunnel, are included, together with other data already given, to complete the figure. DISCUSSION Exit-cone diameter.—The effect…

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