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dc.contributor.authorEl-Zahab, Sameren_US
dc.contributor.authorJazzar, Ibrahimen_US
dc.contributor.authorZayed, Tareken_US
dc.description.abstractAccelerometers are a powerful tool when it comes to leak detection, especially in small pipelines. The increase in accelerometer research related to leak pinpointing and detection has identified that vibration signals dissipate in an inconstant fashion based on the type and size of a pressurized water pipeline. This article presents a sensor system-specific approach to measure the loss in vibration signal from the source over the length of a given pipeline. The experimental work in this article spans one-inch and two-inch PVC pipelines as well as two-inch ductile iron pipelines. Experiments were carried out under controlled conditions to gather data. The collected signal data are analyzed and applied to a signal decay assessment model. Signal decay was significantly higher in ductile iron pipelines than in PVC pipelines. Additionally, two-inch pipelines possessed a higher decay per meter rating than one-inch pipelines, which indicates that diameter size affects signal decay as well. Finally, the results of the signal decay are then used in an example to propose a sensor distribution method based on the given medium where the sensor and the pipeline are placed. Graphic abstract: [Figure not available: see fulltext.]en_US
dc.subjectSignal analysisen_US
dc.subjectVibration measurementen_US
dc.subjectWireless sensor networksen_US
dc.titleA study of accelerometer signal decay in small pipelinesen_US
dc.typeJournal Articleen_US
dc.contributor.affiliationDepartment of Civil and Environmental Engineeringen_US
dc.relation.ispartoftextSignal, Image and Video Processingen_US
Appears in Collections:Department of Civil and Environmental Engineering
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