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Réf : S02801
Thème :
Aviation - Avions NASA-Prototypes (1538 images)
Titre : Experimental Low-Drag Test Panel on Douglas B-18
Description : (La description de cette image n'existe qu'en anglais)
In the spring of 1941 Langley installed an experimental low-drag test panel on the wing of a Douglas B-18 airplane. The panel was fitted with suction slots and pressure tubes for a free flight investigation of the transition from laminar to turbulent flow in the boundary layer. The pressure at each tube was measured by liquid manometers installed in the fuselage.
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