A supersonic flow stream control means

The present invention provides a flow control device for a supersonic flow, comprising a suction hole for the suction air flow a supersonic; suction flow path, communicating with the suction holes, for reducing the suction airflow from the suction holes speed ; blow flow channel, in communication with the intake flow channel, for increasing the flow velocity; blow hole, the blow air channel communicating, for blowing air flow within the flow channel to blow supersonic flows; jet structure for blowing toward the injection runners airflow. In the flow process flow a supersonic speed, the portion of the airflow entering through the air intake holes into the intake flow channel, to realize the suction control of supersonic flow field; reinjected supersonic flows by blowing air channel and the blow hole, to achieve the supersonic flow blow-field except control; jet structure toward the blow air channel jet stream to meet the case where the position and intensity of the incident shock wave is changed, it is possible to continue the suction flow a supersonic and blowing, to ensure a steady flow supersonic flow field, broadening the working range of the flow control device.