Pipeline Leak Detection Based on Mass Balanceby Chyr Pyng Liou, Univ of Idaho, Moscow, United States,
Abstract: Current technologies in Supervisory Control and Data Acquisition (SCADA) systems enable pipeline leak detection to be carried out in real time by software-based methods. This paper discusses such a leak detection method based on volumetric mass balance. The basic idea is outlined first, followed by a method for estimating the magnitudes of the variables involved. Several leak detectability curves are established based on different estimates of variable uncertainties. They are compared with results from field leak tests. It is demonstrated that with reasonable estimation of variable uncertainties, leaks with a wide range of flowrates can be detected reliably by the volumetric mass balance method.
Subject Headings: Pipe leakage | Leakage | Detection methods | Data collection | Curvature | Uncertainty principles | Field tests | Fluid flow
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