LEAK DETECTION OF SHUT-OFF VALVES OF MAIN GAS PIPELINES BY ANALYZING THE FREQUENCY SPECTRUM OF THE ACOUSTIC EMISSION SIGNAL ABOUT A GAS LEAK
- Authors: Boyarkin D.S.1, Yezhizhansky V.D.1, Golushko D.A.1, Kirsanov A.Y.1, Lysenko A.V.2
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Affiliations:
- Scientific and Production Enterprise "Rubin"
- Penza State University
- Issue: No 1 (2025)
- Pages: 95-102
- Section: DESIGN AND TECHNOLOGY OF INSTRUMENTATION AND ELECTRONIC EQUIPMENT
- URL: https://journal-vniispk.ru/2307-4205/article/view/289987
- DOI: https://doi.org/10.21685/2307-4205-2025-1-12
- ID: 289987
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Full Text
Abstract
Background. Prolonged operation of shut-off valves of main gas pipelines leads to gradual wear of the sealing elements of ball valves and valves and a violation of their tightness. Timely detection of leakage of the shut-off valves at an early stage allows you to keep the equipment in working condition and avoid the consequences caused by large volumes of gas leaks. A study of the parameters of the acoustic emission signal of a gas leak has been conducted, the results of which can be applied in the practical implementation of methods for diagnosing shut-off valves to detect gas leaks in case of violation of its tightness. Materials and methods. A simulation of a gas leak through a shut-off valve on a laboratory bench was carried out to simulate a leak. A description of the laboratory stand and a block diagram of a device for recording and analyzing the spectrum of the acoustic emission signal of a gas leak are given. Results and conclusions. The frequency spectra of the acoustic emission signal of a gas leak, taken on a laboratory stand, at various leakage volumes are presented. The measurement results are analyzed, conclusions are drawn about the criteria fordetermining the leakproofness of the shut-off valves according to the frequency spectrum of the acoustic emission signal of the leak.
About the authors
Dmitry S. Boyarkin
Scientific and Production Enterprise "Rubin"
Author for correspondence.
Email: boyarkyndmytry@gmail.com
Technician designer
(2 Baidukova street, Penza, Russia)Viktor D. Yezhizhansky
Scientific and Production Enterprise "Rubin"
Email: vityastalkerxdxd@gmail.com
Engineer
(2 Baidukova street, Penza, Russia)Dmitry A. Golushko
Scientific and Production Enterprise "Rubin"
Email: dmitgoluschko@yandex.ru
Candidate of technical sciences, head of department
(2 Baidukova street, Penza, Russia)Aleksandr Yu. Kirsanov
Scientific and Production Enterprise "Rubin"
Email: malamash@yandex.ru
Head of department
(2 Baidukova street, Penza, Russia)Aleksey V. Lysenko
Penza State University
Email: luysenko_av@bk.ru
Candidate of technical sciences, associate professor, associate professor of the sub-department of radio equipment design and production
(40 Krasnaya street, Penza, Russia)References
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