TECHNOLOGY · ACOUSTIC INVESTIGATION

Every leak makes a sound. The challenge is finding it.

Acoustic leak correlationOne corresponding feature in continuous leak noise travels from leak x430 at equal speed to sensor A x250 and sensor B x840, with each visible wavefront stopping at its sensor. Two traces appear on a common time axis with delta t. 02 / ACOUSTIC LEAK CORRELATIONThe leak is the sound source.Two sensors record corresponding signals at different times Leak source Sensor A · nearerSensor B · farther SAME EVENT · ONE TIME AXISΔt · arrival-time differenceCorresponding features in continuous leak noise; simplified uniform pipeReal accuracy depends on pipe wave speed, coupling, signal bandwidth and operating noise.

LISTEN · COMPARE · MONITOR

Listen, compare
and investigate.

Targeted Leak Detection

Investigate suspected leak locations using acoustic instruments and signal analysis.

Continuous Monitoring

Observe acoustic activity over time to identify changes that warrant investigation.

Acoustic listening compares sound and vibration at accessible points. Where pipe layout and signal quality permit, correlation compares recordings from separated sensors to estimate timing differences. Fixed sensors can provide repeat observations over time. Interpretation also considers pipe material, pressure, background noise and site access.

INTERPRET WITH CARE

Signals need
site context.

Pipe material, pressure, background noise, access and signal quality affect what can be heard and inferred. Acoustic methods do not make every leak audible or guarantee an exact location.

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Acoustic approaches are selected according to the suspected system and site conditions.

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