Wind-Tunnel Tests on Airfoil Boundary Layer Control Using a Backward-Opening Slot (1932)
NASA Technical Reports Server (NTRS) · leaf 9
nd measured from the angle of zero lift, which could be Cq are studied individually (figs. 9 to 13). In general, set to within ±0.1°. the maximum changes were obtained with the slot located at 53.9 per cent of the chord, with a slot open- DISCUSSION ing of 0.667 per cent of the chord, and with a… … 30'' Angle of attack, Figure 6.—Effect of slot position on lift and drag. Slot opening=0.667 per cent chord. Cp= 12 surface introduces certain effects, which in a practical Figures 6 to 8-B give the curves of lift and effective case would appreciably modify the forces as measured drag against angle…
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