NASA NTRS · 20100028088
Leak detection using structure-borne noise
Abstract
A method for detection and location of air leaks in a pressure vessel, such as a spacecraft, includes sensing structure-borne ultrasound waveforms associated with turbulence caused by a leak from a plurality of sensors and cross correlating the waveforms to determine existence and location of the leak. Different configurations of sensors and corresponding methods can be used. An apparatus for performing the methods is also provided.
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Holland, Stephen D., Chimenti, Dale E., Roberts, Ronald A.. 2010-06-22. Leak detection using structure-borne noise. https://ntrs.nasa.gov/citations/20100028088
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