The Detection and Location of Leakage, Blockage and Air Pockets Using Radar-Based Techniques
Date
2003
Authors
Vitkovsky, J.
Stephens, M.
Lee, P.
Simpson, A.
Lambert, M.
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Conference paper
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Regional Conference Proceedings, Adelaide, Aug. 6 2003 / Australian Water Association, South Australian Branch: pp.1-8
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John Vítkovský, Mark Stephens, Pedro Lee, Angus Simpson, Martin Lambert
Conference Name
Australian Water Association. South Australian Branch. Regional Conference (2003 : Adelaide, S. Aust.)
Abstract
Pipelines are the major means by which fluids are efficiently transported in the world. However, due to the age of the pipeline, the type of product conveyed and other factors, pipelines experience deterioration and commonly develop different faults. There are many types of pipeline faults; the most common of which are the development of leaks, blockages and air pockets. These faults have many undesirable effects on the system, such as loss of product, increase in operating and treatment costs and a reduction in water quality. Radar and sonar technologies use transient electromagnetic and sound waves to gather information from their environment. These technologies have been well developed by the military over the last fifty years. A direct analogy can be made between radar and sonar systems and fault detection in pipelines. In this paper a pipeline system is "pinged" with a pressure transient and the pressure response measured. The measured response contains reflections from the different faults. Three techniques are considered for radar-based fault detection, they are: (1) reflection-based inverse transient analysis; (2) reflection timing algorithms; and (3) impulse response analysis. Although at a developmental stage, results are presented for numerical case studies and experimental data.
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