The paper introduces the experimental facilities for combining stealth device in air duct with turbofan engine.How the flow deflector affects the flow field of air duct was ascertained.

• 摘要介绍了进气道隐身装置与某涡扇型发动机地面联合试验的设备组成与试验方法，分析了风扇形吸波导流体的隐身原理。