Reliability and Quality of Complex Systems

Reliability and Quality of Complex Systems

Blog Article

Background.Prolonged operation of shut-off valves of main gas pipelines leads to gradual wear of the sealing elements of ball valves and read more 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 icon track bar f250 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.