Detection of water leaks in supply pipes using continuous wave sensor operating at 2.45 GHz

Bimpas, M; Amditis, A; Uzunoglu, N

dc.contributor.author	Bimpas, M	en
dc.contributor.author	Amditis, A	en
dc.contributor.author	Uzunoglu, N	en
dc.date.accessioned	2014-03-01T01:33:08Z
dc.date.available	2014-03-01T01:33:08Z
dc.date.issued	2010	en
dc.identifier.issn	0926-9851	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/20338
dc.subject	Continuous Wave (CW) sensor	en
dc.subject	Doppler frequency shift	en
dc.subject	Ground penetrating sensor	en
dc.subject	Water leak detection	en
dc.subject.classification	Geosciences, Multidisciplinary	en
dc.subject.classification	Mining & Mineral Processing	en
dc.subject.other	Available water	en
dc.subject.other	Continuous Wave	en
dc.subject.other	Continuous Wave (CW) sensor	en
dc.subject.other	Continuous waves	en
dc.subject.other	Digital signals	en
dc.subject.other	Doppler	en
dc.subject.other	Doppler frequency shift	en
dc.subject.other	Ground penetrating sensor	en
dc.subject.other	Homodyne receiver	en
dc.subject.other	Leaking method	en
dc.subject.other	Low-power transmitters	en
dc.subject.other	Moving water	en
dc.subject.other	Operation principles	en
dc.subject.other	Sensing unit	en
dc.subject.other	Sensor techniques	en
dc.subject.other	System use	en
dc.subject.other	Test site	en
dc.subject.other	Water leak detection	en
dc.subject.other	Water leaks	en
dc.subject.other	Doppler effect	en
dc.subject.other	Electromagnetic waves	en
dc.subject.other	Frequency shift keying	en
dc.subject.other	Leak detection	en
dc.subject.other	Pipe	en
dc.subject.other	Polyvinyl chlorides	en
dc.subject.other	Signal processing	en
dc.subject.other	Signal receivers	en
dc.subject.other	Velocity measurement	en
dc.subject.other	Sensors	en
dc.subject.other	accuracy assessment	en
dc.subject.other	detection method	en
dc.subject.other	distribution system	en
dc.subject.other	electromagnetic wave	en
dc.subject.other	leakage	en
dc.subject.other	pipeline	en
dc.subject.other	reliability analysis	en
dc.subject.other	sensor	en
dc.subject.other	water supply	en
dc.subject.other	wave reflection	en
dc.title	Detection of water leaks in supply pipes using continuous wave sensor operating at 2.45 GHz	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/j.jappgeo.2010.01.003	en
heal.identifier.secondary	http://dx.doi.org/10.1016/j.jappgeo.2010.01.003	en
heal.language	English	en
heal.publicationDate	2010	en
heal.abstract	An innovative sensor technique has been developed to detect water leaks in supply pipes, especially in cases where the existing prevailing methods do not offer reliable solution, such as in PVC pipelines or for minor leaks. The presented system uses a Continuous Wave (CW) Doppler sensing unit operating at 2.45 GHz, consisting of a low power transmitter, a homodyne receiver and a digital signal processing unit. The operation principle is the detection of the Doppler frequency shift of the reflected electromagnetic wave by slightly moving water that leaks out of a pipe. A first prototype has already been developed and tested in test sites as well as in real water leaking conditions. The system has additionally been compared to the commercially available water leaking methods, verifying its reliability and accuracy in the detection of water leaks. (C) 2010 Elsevier B.V. All rights reserved.	en
heal.publisher	ELSEVIER SCIENCE BV	en
heal.journalName	Journal of Applied Geophysics	en
dc.identifier.doi	10.1016/j.jappgeo.2010.01.003	en
dc.identifier.isi	ISI:000276417700005	en
dc.identifier.volume	70	en
dc.identifier.issue	3	en
dc.identifier.spage	226	en
dc.identifier.epage	236	en