Accuracy and Uncertainty of Gradient Based Leak Localization Procedure for Liquid Transmission Pipelines

被引：8

作者：

Ostapkowicz, Pawel ^{[1
]}

Bratek, Andrzej ^{[2
]}

机构：

[1] Bialystok Tech Univ, Fac Mech Engn, Wiejska 45C, PL-15351 Bialystok, Poland

[2] Ind Res Inst Automat & Measurements PIAP, Lukasiewicz Res Network, Al Jerozolimskie 202, PL-02486 Warsaw, Poland

来源：

SENSORS | 2021年 / 21卷 / 15期

关键词：

pipelines; leak localization; leak localization uncertainty; gradient method;

D O I：

10.3390/s21155080

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This paper describes issues of leakage localization in liquid transmission pipelines. It focuses on the standard leak localization procedure, which is based on the calculation of pressure gradients using pressure measurements captured along a pipeline. The procedure was verified in terms of an accuracy and uncertainty assessment of the resultant coordinate of a leak spot. An important aim of the verification was to assess the effectiveness of the procedure in the case of localization of low intensity leakages with a level of 0.25-2.00% of the nominal flow rate. An uncertainty assessment was carried out according to the GUM convention. The assessment was based on the metrological characteristics of measuring devices and measurement data obtained from the laboratory model of the pipeline.

引用

页数：19

共 28 条

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