A multi-body aircraft with an all-movable center fuselage which translates relative to two side fuselages is described. At subsonic and transonic flight the center fuselage is in a forward position. At supersonic speeds the center fuselage moves aft so as to ensure optimum aerodynamic interference at particular Mach numbers. This provides an increased shock strength and greater surface areas so the significant reductions in zero-lift wave drag can be achieved. This concept allows for a significant increase in the wing aspect ratio which would improve high-lift performance at all speeds without incurring a significant supersonic zero-lift wave drag penalty. In additions, an improved low-fineness ratio, high-speed performance is achieved at all speeds and for all flight conditions.
Multi-Body Aircraft with an All-Movable Center Fuselage Actively Controlling Fuselage Pressure Drag
1987
16 pages
Report
Keine Angabe
Englisch
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