Noise attenuating supersonic nozzle

Details Noise attenuating supersonic nozzle Noise attenuating supersonic nozzle

1990-04-06

1991-09-24

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

At or beyond outlet

239597, 239DIG21, 239DIG22, 181220, B05B 100, F01N 114

Patent

active

050508059

ABSTRACT:
A sound attenuating supersonic nozzle has an exit to throat ratio in the range of 2.5 to 6.0, with longitudinal grooves formed in the interior wall of the supersonic passageway of the nozzle body. A shield is disposed about the exterior surface of the nozzle body, forming an exit cavity and an exit opening, and has a gill cavity through which auxiliary air flows into the exit cavity and mixes with the supersonic flow. 572

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