Flow noise suppression system for a sonar dome

Details Flow noise suppression system for a sonar dome Flow noise suppression system for a sonar dome

1966-10-04

1982-06-01

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Sonar counter-measures

181198, 367171, 367173, 367901, H04K 300, H04R 144

Patent

active

043331696

ABSTRACT:
Apparatus for suppression of water flow noises in connection with a keel nted sonar dome. A solution of water soluble polymer is ejected through a series of holes along the leading edge of the sonar dome under forward movement of the ship. The concentration and flow rate is chosen to "bathe" the dome in a very dilute dispersion (of the order of 10 parts per million by weight) of the polymer.

REFERENCES:
patent: 3016865 (1962-01-01), Eichenberger
patent: 3084651 (1963-04-01), Parmenter
patent: 3286674 (1966-11-01), Thompson et al.

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