Acoustic Event Signatures for Damage Control: Water Events and Shipboard Ambient Noise

TL;DRAbstract

The objective of this report is to demonstrate the feasibility of detecting water-related, damage control (DC) events, specifically pipe ruptures and flooding, in a shipboard ambient noise environment and to document the data collected in support of that effort. This report is composed of seven sections. The first two are composed of introductory material. The third section documents the acoustic measurements of water-related DC events made at the NAVSEA Damage Control Engineering Test Facility (DCETF) located at the Ft. McHenry Naval Reserve Center in Baltimore, MD. The measurements include both pipe rupture and flooding noises in different compartments of the facility. The fourth section characterizes the signals measured by their spectra and time histories, and provides some initial impressions on the relevant parameters that can be inferred from a given acoustic signature. The fifth section documents the ambient noise measurements made aboard the USS RAMAGE (DDG-61) and the RV ENDE

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