A numerical simulation investigation has been made at Mach numbers 6 to determine the effects of several variations in body shape on the aerodynamic characteristics of a lifting body configuration. The basic configuration had a delta planform and variations in body shape included the cross-section (semicircular, triangular, elliptic, trapezoidal, rectangular), maximum cross-section height, body leading-edge sweep (60° to 80° ), and camber (negative camber and positive camber). The longitudinal length and radius of nose are conformed for each body. The lifting body volume, base area, planform area and span changed with leading-edge sweep, cross section, and the maximum cross section height. The simulation data were analyzed to get the maximum lift-drag ratio characteristics, longitudinal stability and directional-dihedral stability. The results indicate that the configuration with the lowest ratio of body volume to planform area had the highest untrimmed maximum lift-drag ratio and the greatest level of longitudinal stability. For the selected moment reference centers, all configurations had positive longitudinal stability near maximum lift-drag ratio.
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