FIELD: radio detection and ranging.
SUBSTANCE: invention can be used to decrease effective area of dissipation of aircraft engine channel space; air intake or nozzle. Proposed device is essentially metal screen with holes placed before blades of engine turbine forming double wall with channel space surface and help by spacers. Surface of metal screen with holes over entire length is provided with similar longitudinal corrugations-wedges of preset height and repetition period whose dimensions are found from protected relations.
EFFECT: reduced effective area of diffusion.
9 dwg
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