图面的简单说明:图1是在火箭发动机喷管的燃气流中,由安装在喷管侧面的激波产生元件所产生的激波,到达相对其产生点的喷管内壁,在其内壁反射状态的斜视图。图2、3、6、7是通过喷管轴的激波产生元件和喷管的剖视图,图2所示的是激波到达相对其产生点的喷管内壁及在其内壁反射的情形。图3所示 Brief Description of the Drawings: Fig. 1 shows the shock wave generated by a shock wave generating element installed on the side of a nozzle in the gas flow of a rocket engine nozzle, reaching the inner wall of the nozzle relative to its point of emergence, reflecting on its inner wall Oblique view of the state. Figures 2, 3, 6 and 7 are cross-sectional views of the shock-generating member and nozzle through the spout shaft, and Figure 2 shows the shock arriving at the nozzle inner wall relative to its point of creation and reflected on its inner wall. Figure 3 shows