Abstract
AbstractThe main reason that discontinued the commercial supersonic transports for civilians is the generation of strong sonic booms. Busemann biplane is a two-dimensional (2D) supersonic biplane configuration which is very effective in reducing the effect of shock wave and wave drag significantly at its design Mach number. Although, in the off-design conditions, there are problems such as choked flow phenomena and flow hysteresis at zero angle of attack (AOA). In this study, the effects of g-forces on the flow hysteresis of Busemann biplane are analyzed using computational fluid dynamics (CFD) in inviscid flow (Euler) mode. For this purpose, the drag characteristics of the biplane structure are quantified under different acceleration (and deceleration) parameter of 5, 10, 40, 80 and 160g. It is expected that these data will contribute to achieve an effective design of the supersonic biplane in the near future.KeywordsSupersonic biplaneBusemann biplaneg-ForcesFlow hysteresis
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