A passive acoustic based system to locate leak hole in underwater natural gas pipelines

WOS: 000428228500006Underwater natural gas pipelines can be punctured for a variety of reasons, but the most notable are corrosion and aging. This study proposes a novel passive acoustic based system, to detect acoustic signals, locate the leak holes, and determine the size of the leak holes remotely. the nature of acoustic signals, which are generated by leakages in underwater natural gas pipelines, is also examined. the success of this proposed localization method, which is based on the received signal strength technique, is analyzed by numerical studies and simulation works. Parameters, which are used in the numerical studies, are taken from a hypothetical pipeline whose specifications are similar to Maghreb-Europe Gas pipeline. the proposed method is examined for various measurement numbers, underwater ambient noises, the diameters of the leak holes and receiver numbers. It is shown that leakages can be located with low average position errors from several kilometers by depending on underwater ambient noise, detection method, receiver number, source strength and measurement number. (C) 2018 Elsevier Inc. All rights reserved.Scientific and Technological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK); Karadeniz Technical University Scientific Research CouncilKaradeniz Technical University [FBA-2016-5371]Yigit Mahmutoglu acknowledges financial support from the Scientific and Technological Research Council of Turkey (TUBITAK) 2211 Domestic Postgraduate Scholarship Program-Doctorate Scholarship Programs. the work of Kadir Turk was supported by Karadeniz Technical University Scientific Research Council Project Number FBA-2016-5371