抄録
In the present paper, the experimental investigation is described to clarify the mixing characteristics in the supersonic flow of the flexible vortex generator (FVG). In the experiment, the time-averaged total pressure distributions were measured by DSA (Digital Sensor Array). Moreover, the unsteady pressure distributions were measured by a pressure sensor. The flow fields were visualized and recorded by using schlieren method and a high-speed camera respectively. Oscillation frequencies of the FVG were calculated based on schlieren images. Schlieren images and tome-averaged total pressure distribution indicated that the FVG oscillation caused the change of the shock wave structure. The unsteady pressure distributions indicated that the FVG produced large amplitude of pressure fluctuation. It can be concluded that the FVG was effective to churn the mainstream.
