Aircraft cavity acoustic resonance suppression system

Details Aircraft cavity acoustic resonance suppression system Aircraft cavity acoustic resonance suppression system

1996-03-18

1997-12-23

Grant, William

Aeronautics and astronautics

Miscellaneous

244130, 2441374, 181206, B64C 2306

Patent

active

056999810

ABSTRACT:
An aircraft cavity acoustic resonance suppression system is described which comprises a small diameter, substantially cylindrically shaped member disposed substantially parallel to and spaced up to a distance corresponding to about three airflow boundary layer thicknesses from the surface of the aircraft near the leading edge of the cavity and substantially transverse of airflow thereacross, and an actuator operatively connected to the member providing selective adjustment of the spacing between the member and the aircraft surface.

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patent: 5018688 (1991-05-01), Stallings, Jr. et al.
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