A Leak Localization Method of Pipeline by Means of Fluid Transient Model

[+] Author and Article Information
T. Kiuchi

Toyo Engineering Corporation, Tokyo, Japan

J. Energy Resour. Technol 115(3), 162-167 (Sep 01, 1993) (6 pages) doi:10.1115/1.2905988 History: Received January 15, 1992; Revised June 08, 1993; Online April 16, 2008


This paper describes a method for estimating the position of a detected leak by applying a fluid transient model to a real-time pipeline system. The method takes into account flow rate and pressure profiles along a pipeline in a transient condition based on an assumption of quasi-steady-state flow. The result of case studies using a hypothetical gas pipeline system shows that, even in a transient condition, the method gives a more accurate estimation of a leak position than conventional methods which do not consider flow rate or pressure profiles along a pipeline. The method is also applicable to a pipeline having consumer stations which cause abrupt changes of flow rate profile along the pipeline. Furthermore, the influence of instrument accuracy on the result of the method is examined. The result also shows the advantage of the method compared to the conventional methods.

Copyright © 1993 by The American Society of Mechanical Engineers
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