Journal ArticleDOI
Phased acoustic emission sensor array for localizing radial and axial positions of defects in hollow structures
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TLDR
In this paper, a phase array acoustic emission (AE) localization strategy is introduced to localize both radial and axial positions of defects by considering the actual trajectory of propagating elastic waves.About:
This article is published in Measurement.The article was published on 2020-02-01. It has received 17 citations till now. The article focuses on the topics: Acoustic emission & Sensor array.read more
Citations
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Introduction to acoustic emission
TL;DR: In this paper, the authors described typical acoustic emission signal characteristics and techniques which localize the signal source by processing the acoustic delay data from multiple sensors are discussed, which includes sensors, amplifiers, pulse counters, a minicomputer and output devices.
Journal ArticleDOI
Defect localization on rolling element bearing stationary outer race with acoustic emission technology
TL;DR: A fault localization method to obtain the defect position on a bearing based on the spatial localization of acoustic emission (AE) is proposed and the results demonstrate that this method can locate AE sources.
Journal ArticleDOI
The characterization of deformation stage of metals using acoustic emission combined with nonlinear ultrasonics
TL;DR: In this article, a new acoustic emission (AE) characteristic was introduced to determine the deformation stage of metals under quasi-static loading, which was extracted from the derivative of the cumulative AE energy with respect to time.
Journal ArticleDOI
Experimental Research on Rapid Localization of Acoustic Source in a Cylindrical Shell Structure without Knowledge of the Velocity Profile.
TL;DR: In this paper, the L-shaped sensor cluster technique is applied to the cylindrical surface of the pressure vessel, and the experimental results prove the applicability of using this technique.
Journal ArticleDOI
Acoustic Emission Intelligent Identification for Initial Damage of the Engine based on Single Sensor
TL;DR: In this article , the authors proposed a single-sensor acoustic emission (AE) diagnosis method based on deep learning (DL) for structural health monitoring (SHM) and initial damage intelligent identification of the engine.
References
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Journal ArticleDOI
Acoustic emission Bayesian source location: Onset time challenge
TL;DR: An inverse source location problem in a concrete block is considered to address the mentioned issue and an innovative approach to select the most probable onset time obtained from two automatic picker methods is proposed.
Journal ArticleDOI
Wireless transmission of acoustic emission signals for real-time monitoring of leakage in underground pipes
TL;DR: The system uses a wireless connection for communications and uses acoustic emission effects to detect and locate leakages and is accurate, simple, and inexpensive, because it is based on acoustic emissions.
Journal ArticleDOI
Design and experimental validation of a metamaterial solution for improved noise and vibration behavior of pipes
TL;DR: In this paper, a metamaterial solution for efficient vibration attenuation and acoustic radiation reduction of an aluminum pipe is investigated, where locally resonant structures are designed to have a pronounced flexural resonance frequency at the vicinity of a dominant vibration mode of the pipe.
Proceedings ArticleDOI
Acoustic emission sound source localization for crack in the pipeline
Liying Sun,Yibo Li +1 more
TL;DR: In this article, the authors investigated the use of acoustic emission (AE) for simulated crack in a stainless steel pipeline and proposed an approach to liner sound source localization in pipeline using two or more acoustic sensors.