二元收扩管内跨音激波与附面层干扰下气流动态畸变及其控制
DYNAMIC DISTORTION IN FLOWFIELD DOWNSTREAM OF TRANSONIC SHOCK-BOUNDARY LAYER INTERACTION
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摘要: 实验设备下游接真空泵(图1)。实验段由曲状顶壁、平底壁和相互平行的光学玻璃构成。其喉道和扩张段出口的展弦比为1.72和1.357。在1—I截面和扩张段底壁中心线上沿程分别装有微型附面层探针。Abstract: The dynamic diatortions in flowfield under transonic shock-turbulent boundary layer interaction of different intensity are investigated in a 2-D convergent-divergent duct.The power spectrum and probability density functions of the total pressure signals are analyzed. The control technique of this dynamic distortion is also presented.
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