Abstract

A modularized airframe/propulsion integrated model is established by oblique shock wave theory, engineering method and method of characteristics(MOC). Based on this method, a new design methodology for hypersonic waverider vehicle which integrated scramjets with waverider airframe derived from cone-wedge flow field is presented. Integrated aero-propulsion performance of the waverider vehicle under on-design and off-design conditions is predicted using Euler equations discretized by Harten-Yee non-MUSCL TVD scheme and the combustor flow field is approximated by a quasi-ID cycle analysis, skin friction of vehicle is calculated by reference temperature method.

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