Leak detection in liquid transmission pipelines during transient state related to a change of operating point

Abstract

This article presents leakage detection techniques in a liquid transmission pipeline. It is focused on leaks, which occur during changes of a pipeline's operating conditions. Elaborated procedures aimed at leakage evaluation are presented. They are based on measuring of process variables such as flow and pressure. The presented solutions do not involve implementing of complex mathematical process dynamics models. The procedures are evaluated by carrying out experimental tests on a physical model of the pipeline.