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Title: Control-surface hinge-moment calculations for a high-aspect-ratio supercritical wing

Technical Report ·
OSTI ID:6144273

The hinge moments, at selected flight conditions, resulting from deflecting two trailing edge control surfaces (one inboard and one midspan) on a high aspect ratio, swept, fuel conservative wing with a supercritical airfoil are estimated. Hinge moment results obtained from procedures which employ a recently developed transonic analysis are given. In this procedure a three dimensional inviscid transonic aerodynamics computer program is combined with a two dimensional turbulent boundary layer program in order to obtain an interacted solution. These results indicate that trends of the estimated hinge moment as a function of deflection angle are similar to those from experimental hinge moment measurements made on wind tunnel models with swept supercritical wings tested at similar values of free stream Mach number and angle of attack.

Research Organization:
National Aeronautics and Space Administration, Langley AFB, VA (USA). Langley Research Center
OSTI ID:
6144273
Report Number(s):
N-78-31043
Country of Publication:
United States
Language:
English