Investigation to determine effect of boundary-layer control on lift and drag of airfoil; advantages which might be possible by application of boundary-layer control to airplane; maximum lift coefficient was increased 96 per cent for one slot arrangement, and minimum drag coefficient was decreased 27 per cent for another.
Wind tunnel tests on airfoil boundary laver control using backward-opening slot
Nat. Advisory Committee Aeronautics -- Report
1931
38 pages
28 Figs.
Report
English
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