前体涡发生器对轴对称高超声速进气道激波振荡流动的影响实验

高文智, 李祝飞, 曾亿山, 杨基明

EXPERIMENTAL INVESTIGATIONS OF EFFECTS OF FOREBODY VORTEX GENERATORS ON THE OSCILLATORY FLOW OF AN AXISYMMETRIC HYPERSONIC INLET

Gao Wenzhi, Li Zhufei, Zeng Yishan, Yang Jiming

表1 CH12,CH14测点FFT分析结果

Table 1 FFT results of CH12 and CH14 survey points

Cases Primary frequency/Hz Amplitude {Invalid MML} CH12 CH14 CH12 CH14 no VG 260 260 12.1 40.1 .5 mm VG 288 288 9.7 30.8 .0 mm VG 304 304 12.5 37.6