FIELD: transport.
SUBSTANCE: invention relates to aircraft engineering, particularly, to gas discharge pipe of auxiliary gas turbine engine for device intended for decreasing power and noise interaction of engine with ambient medium in aircraft operation. Claimed device comprises the set of deflectors fitted in the engine gas discharge pipe to divide the gas flow into parts. Said deflectors are composed of spirals fitted in the case rigidly secured to the engine gas discharge pipe.
EFFECT: limited divergence of free jet, lower noise.
2 dwg
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