1999
DOI: 10.1016/s0963-8695(98)00034-6
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A reference standard for the development of acoustic emission pipeline leak detection techniques

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Cited by 82 publications
(38 citation statements)
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“…Optical sensors (Sivathanu, 2003;Frish et al, 2005;Gao et al, 2006) were also discarded since they lack the accuracy required for detecting and measuring low rate dispersed underground leaks. Gas sensors and acoustic methods (Sivathanu, 2003;Chung and Lee, 2001;Hodgkinson et al, 2006;Millera et al, 1999;Huanga et al, 2007) were neither practical for measuring small leaks disseminated along large distribution networks.…”
Section: Methods For the Evaluation Of Gas Leakages In Field Testsmentioning
confidence: 99%
“…Optical sensors (Sivathanu, 2003;Frish et al, 2005;Gao et al, 2006) were also discarded since they lack the accuracy required for detecting and measuring low rate dispersed underground leaks. Gas sensors and acoustic methods (Sivathanu, 2003;Chung and Lee, 2001;Hodgkinson et al, 2006;Millera et al, 1999;Huanga et al, 2007) were neither practical for measuring small leaks disseminated along large distribution networks.…”
Section: Methods For the Evaluation Of Gas Leakages In Field Testsmentioning
confidence: 99%
“…Możliwe jest rozróżnienie sygnałów AE od wycieku powietrza i cieczy. należy zaznaczyć, że skuteczność pomiarów AT zależy od materiału, z jakiego wykonano rurociąg, rodzaju transportowanego medium oraz parametrów eksploatacji, takich jak prędkość przepływu i ciśnienie [3,4]. W wyniku przeprowadzonych prac powstały procedury i instrukcje badań AT podziemnych rurociągów przesyłowych.…”
Section: Pods Mowanieunclassified
“…For this study, therefore, we used such acoustic emission signals to determine the aperture sizes of small leaks. The generalized acoustic emission signal is a type of vibration signal that has been used extensively in nondestructive testing (NDT) for problems such as pipeline leaks [5] and rotating machine faults [6]. As the vibration signal generated by a pipeline leak is non-stationary, the application of an appropriate method for processing nonstationary signals enables effective analysis of the characteristics of signals emitted by leaks with differing aperture sizes.…”
Section: Introductionmentioning
confidence: 99%