FIELD: engines and pumps.
SUBSTANCE: proposed system comprises at least one jet nozzle with rear edge fitted on aircraft and including top, bottom, inner lateral and outer lateral edges. Top edge is arranged in forward position relative to bottom edge while inner lateral edge of jet nozzle is located ahead of inner lateral edge. Rear edge forms plane at angle to vertical direction varying from 5° to 15° and plane at angle to horizontal direction varying from 5° to 15°. Another invention of proposed set relates to jet system with separate primary and secondary flows comprising primary flow nozzle and secondary flow nozzle, at least one of said nozzles is implemented as described above. One more invention relates to jet system with mixed primary and secondary flows wherein mixed flow ejection nozzle is made as described above.
EFFECT: reduced turbojet engine noise in cabin and under aircraft.
4 cl, 4 dwg
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