Abstract: Design ideas of supersonic transverse free-vortex aerodynamic window(ADW) were discussed, and the reason of a single-stage ADW not easily reaching high sealing pressure ratio was analyzed.

• 摘 要： 介绍了横向超音速自由旋气动窗口设计方法，分析了单级气动窗口难以实现大密封压比的原因。