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- W1569486951 abstract "This report presents the results of an investigation to determine the effect of boundary layer control on the lift and drag of an airfoil. Boundary layer control was accomplished by means of a backward-opening slot in the upper surface of the hollow airfoil. Air was caused to flow through this slot by a pressure which was maintained inside the airfoil by a blower. Various slot locations, slot openings, and wing pressures were used. The tests were conducted in the 5-foot atmospheric wind tunnel of the Langley Memorial Aeronautical Laboratory. Under the test conditions, the maximum lift coefficient was increased about 96 per cent for one slot arrangement, and the minimum drag coefficient was decreased about 27 per cent for another, both being compared with the results obtained with the unslotted airfoil. It is believed from this investigation that the above effects may be increased by the use of larger slot openings, better slot locations, multiple slots, improved airfoil profiles, and trailing edge flaps." @default.
- W1569486951 created "2016-06-24" @default.
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- W1569486951 date "1932-01-01" @default.
- W1569486951 modified "2023-09-27" @default.
- W1569486951 title "Wind-Tunnel Tests on Airfoil Boundary Layer Control Using a Backward-Opening Slot" @default.
- W1569486951 hasPublicationYear "1932" @default.
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