2003•Nondestructive TestingRequires access

ADVANCE IN ACOUSTIC EMISSION TECHNIQUES FOR PIPELINE LEAK DETECTION

Jing Jiao

Abstract

The aim of AE (acoustic emission) testing is to obtain the information of AE source (source character and location etc). The AE signals of pipeline leak carry the information of structure integrity (the dimension and location of leak), which are random and uncertain, and belong to non stationary signals. The state of the art of acoustic emission techniques for pipeline leak detection and signal processing has been reviewed based on the AE signal character of pipeline leak. Modal acoustic emission may be used to solve the problems in the development of conventional AE technique, and is a potential technique for the realization of quantitative pipeline leak detection.

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Available abstract

Key concepts: Acoustic emission, Leak, Pipeline (software), Leak detection, Acoustics, SIGNAL (programming language), Signal processing, Pipeline transport