Accession Number : ADD014698

Title :   Low Frequency Sound Source for Acoustic Sweeps.

Descriptive Note : Patent, Filed 12 Dec 67, patented 2 Oct 90,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Blue, Joseph E ; Watson, Thomas C

Report Date : 02 Oct 1990

Pagination or Media Count : 8

Abstract : This patent discloses an underwater acoustic generator comprising a tapered solid positioned in a fluid flow to produce a cavitation void. A source of gas supplies the void with gas to produce a resonant gas bubble. (JHD)

Descriptors :   *PATENTS, *SOUND GENERATORS, ACOUSTICS, BUBBLES, CAVITATION, FLUID FLOW, GASES, CAVITATION NOISE, LOW FREQUENCY, RESONANCE, SOLIDS, SOURCES, SUPPLIES, TAPER, UNDERWATER ACOUSTICS, VOIDS

Subject Categories : Acoustic Detection and Detectors

Distribution Statement : APPROVED FOR PUBLIC RELEASE