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:

1990-10-02

Pagination or Media Count:

8.0

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