Axial acoustic wave attenuator for ramjets

Details Axial acoustic wave attenuator for ramjets Axial acoustic wave attenuator for ramjets

1983-07-29

1985-01-22

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181264, 181281, 415119, F02K 144

Patent

active

044946252

ABSTRACT:
Apparatus for attenuating upstream gas motion induced by axial acoustic ws in a ramjet engine includes a series of hollow truncated conical attenuators acting to both modify and enhance fuel-oxidizer mixing and offering negligible resistance to downstream gas motion while offering substantial resistance to upstream gas motion within the engine.

REFERENCES:
patent: 3340690 (1967-09-01), Norman et al.

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