Then the flow fields of scramjet combustor with fix geometry and isolator are simulated at different inflow Mach number and the influence of direction of injection fuel to flow structure are analyzed.

• 在此基础上对固定几何、带隔离段的双模态超燃冲压发动机在不同飞行马赫数下的流场进行了模拟，最后分析了不同的燃料喷射方向对燃烧室和隔离段流场的影响。