Improved pneumatic vectoring nozzle structure with function of injecting double secondary flow branches
A technology of vector nozzle and secondary flow, applied in the direction of machine/engine, jet propulsion device, etc., can solve the problems of reduced engine flow and reduced thrust
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[0009] With reference to each figure, this a kind of aerodynamic vectoring nozzle structure with two secondary flow injections is characterized in that its structure comprises: the pneumatic vectoring nozzle of two secondary flow injections consists of secondary flow injection system 1, secondary The flow injection system II and the expansion nozzle 5 are composed; the secondary flow injection system I includes the bleed air pipeline 1 and the valve 2; the secondary flow injection system II includes the bleed air pipeline 3 and the valve 4;
[0010] The secondary flow injection system I bleeds air from the front end of the nozzle 5 convergence section; the secondary flow injection system II bleeds air from the high-pressure compressor of the engine; the secondary flow injection system I and the secondary flow injection system II are located on the same plane, and the secondary The flow injection system II is positioned at the bottom of the secondary flow injection system I, and...
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