On the Significance of Parameter Uncertainties for Prediction of Leak Noise Wave Speed in Buried Pipes

Scussel, O; Muggleton, JM; Karimi, M; Williams, P; Kalkowski, MK; Joseph, PF; White, P

On the Significance of Parameter Uncertainties for Prediction of Leak Noise Wave Speed in Buried Pipes

Scussel, O Muggleton, JM Karimi, M

Williams, P Kalkowski, MK Joseph, PF White, P

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Publisher:: IOP Publishing
Publication Type:: Journal Article
Citation:: Journal of Physics Conference Series, 2024, 2909, (1), pp. 012009
Issue Date:: 2024-12-01

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Field	Value	Language
dc.contributor.author	Scussel, O
dc.contributor.author	Muggleton, JM
dc.contributor.author	Karimi, M https://orcid.org/0000-0002-2949-5364
dc.contributor.author	Williams, P
dc.contributor.author	Kalkowski, MK
dc.contributor.author	Joseph, PF
dc.contributor.author	White, P
dc.date.accessioned	2025-02-04T04:28:34Z
dc.date.available	2025-02-04T04:28:34Z
dc.date.issued	2024-12-01
dc.identifier.citation	Journal of Physics Conference Series, 2024, 2909, (1), pp. 012009
dc.identifier.issn	1742-6588
dc.identifier.issn	1742-6596
dc.identifier.uri	http://hdl.handle.net/10453/184934
dc.description.abstract	<jats:title>Abstract</jats:title> <jats:p>The modern world is facing the challenging issue of water wastage due to leaks, which is causing severe economic, environmental and social impacts. Consequently, the inspection and maintenance of buried water pipes is crucial and there is still a lack of investigations towards the uncertain parameters affecting the wave speed associated with the predominantly fluid-borne wave <jats:italic>s</jats:italic>=1, the main carrier of leak noise. This study investigates the effects of uncertainties present in the pipe and soil parameters which are affecting the speed of propagation of the leak noise wave. To achieve this, a sensitivity analysis is performed using Monte Carlo simulations and Sobol’ indices. Uncertainties are commonly associated with the material and geometrical properties of the pipe along with the surrounding soil characteristics. However, the significance of these parameters varies depending on the type of soil in which the water pipe is buried. In clay soil, the soil-related parameter plays a crucial role compared to sandy soil and this is verified through some experimental work carried out in two water pipe systems with very different properties, one in the UK and the other one in Brazil. This research is of fundamental importance for determining the most critical parameters affecting the leak noise wave, allowing to evaluate and integrate uncertainty information into decision-making of current technologies, such as loggers and leak noise correlators, aiming enhanced detection and location of water leakage in buried plastic water pipes.</jats:p>
dc.language	en
dc.publisher	IOP Publishing
dc.relation.ispartof	Journal of Physics Conference Series
dc.relation.isbasedon	10.1088/1742-6596/2909/1/012009
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics, 0204 Condensed Matter Physics, 0299 Other Physical Sciences
dc.subject.classification	51 Physical sciences
dc.title	On the Significance of Parameter Uncertainties for Prediction of Leak Noise Wave Speed in Buried Pipes
dc.type	Journal Article
utslib.citation.volume	2909
utslib.for	0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
utslib.for	0204 Condensed Matter Physics
utslib.for	0299 Other Physical Sciences
pubs.organisational-group	University of Technology Sydney
pubs.organisational-group	University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	University of Technology Sydney/Faculty of Engineering and Information Technology/School of Mechanical and Mechatronic Engineering
pubs.organisational-group	University of Technology Sydney/UTS Groups
pubs.organisational-group	University of Technology Sydney/UTS Groups/Centre for Audio, Acoustics and Vibration (CAAV)
utslib.copyright.status	open_access	*
dc.rights.license	This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0). To view a copy of this license, visit https://creativecommons.org/licenses/by/4.0/
dc.date.updated	2025-02-04T04:28:33Z
pubs.issue	1
pubs.publication-status	Published
pubs.volume	2909
utslib.citation.issue	1

Abstract:

Abstract The modern world is facing the challenging issue of water wastage due to leaks, which is causing severe economic, environmental and social impacts. Consequently, the inspection and maintenance of buried water pipes is crucial and there is still a lack of investigations towards the uncertain parameters affecting the wave speed associated with the predominantly fluid-borne wave s=1, the main carrier of leak noise. This study investigates the effects of uncertainties present in the pipe and soil parameters which are affecting the speed of propagation of the leak noise wave. To achieve this, a sensitivity analysis is performed using Monte Carlo simulations and Sobol’ indices. Uncertainties are commonly associated with the material and geometrical properties of the pipe along with the surrounding soil characteristics. However, the significance of these parameters varies depending on the type of soil in which the water pipe is buried. In clay soil, the soil-related parameter plays a crucial role compared to sandy soil and this is verified through some experimental work carried out in two water pipe systems with very different properties, one in the UK and the other one in Brazil. This research is of fundamental importance for determining the most critical parameters affecting the leak noise wave, allowing to evaluate and integrate uncertainty information into decision-making of current technologies, such as loggers and leak noise correlators, aiming enhanced detection and location of water leakage in buried plastic water pipes.

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http://hdl.handle.net/10453/184934