Results of tests conducted on 6-in. wind tunnel to study type of air pulsation encountered in open-throat tunnels, and means of eliminating such pulsations; effect of changing exit-cone diameter and flare and effects of air leakage from return passage found; air pulsations eliminated by using moderately large flare on exit cone in conjunction with leakage introduced by cutting holes in exit cone somewhat aft of its minimum diameter.
Investigation of air flow in open-throat wind tunnels
Nat. Advisory Committee Aeronautics -- Report
1929
11 pages
6 Figs.
Article (Journal)
English
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Investigation of air flow in open-throat wind tunnels
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