Ten years of experience with leak detection by acoustic signal analysis

Fuchs, Helmut V.; Riehle, R.

doi:10.1016/0003-682x(91)90062-j

Cited by 254 publications

(132 citation statements)

References 4 publications

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“…Recently noise loggers were integrated with amplifiers and noise filters to enhance the signal-tonoise ratio. The effectiveness of ALD methods has been successfully demonstrated for metallic pipes [41,42] and plastic pipes [43]. A detailed review of ALD methods is presented in [44].…”

Section: Leak Detectors and Transient Analysismentioning

confidence: 99%

Water and Wastewater Pipe Nondestructive Evaluation and Health Monitoring: A Review

Rizzo

2010

Advances in Civil Engineering

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pipe networks assure the transportation of primary commodities such as water, oil, and natural gas. The quantitative and early detection of defects in pipes is critical in order to avoid severe consequences. As a result of high-profile accidents and economic downturn, research and development in the area of pipeline inspection has focused mainly on gas and oil pipelines. Due to the low cost of water, the development of nondestructive inspection (NDI) and structural health monitoring (SHM) technologies for fresh water mains and sewers has received the least attention. Moreover, the technical challenges associated with the practical deployment of monitoring system demand synergistic interaction across several disciplines, which may limit the transition from laboratory to real structures. This paper presents an overview of the most used NDI/SHM technologies for freshwater pipes and sewers. The challenges that said infrastructures pose with respect to oil and natural gas pipeline networks will be discussed. Finally, the methodologies that can be translated into SHM approaches are highlighted.

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Section: Leak Detectors and Transient Analysismentioning

confidence: 99%

Water and Wastewater Pipe Nondestructive Evaluation and Health Monitoring: A Review

Rizzo

2010

Advances in Civil Engineering

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“…accelerometers or hydrophones) and correlating the two signals to detect the presence of a leak and to accurately pinpoint its location. The effectiveness of acoustic leak detection methods has been successfully demonstrated for metallic pipes (Fantozzi et al 1993, Fuchs andRiehle 1991) and plastic pipes (Hunaidi et al 2000). A detailed review of acoustic leak detection methods is presented by Hunaidi et al (2004).…”

Section: Introductionmentioning

confidence: 99%

A Simulation Study on Using Inverse Transient Analysis for Leak Detection in Water Distribution Networks

Karney

Khani

Halfawy

et al. 2009

JWMM

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“…With respect to real-time water management services, to date remarkable EU projects such as "Autoleak" (http://www.autoleak.eu/default.html) and "Warmer" (http://www.projectwarmer.eu/) are each oriented towards a specific focus: the former aims at the integration of existing advanced technologies for leakages pinpointing and the latter at creating a system for continuous monitoring of surface water quality. In the field of pipelines diagnosis, besides traditional "craft" approaches such as acoustic rods and ground phones 4 , nowadays leaks detection is carried out through specific systems, which must be kept deployed on site until enough data are collected, and their data subsequently elaborated for the final leaks localization 5,6 . They require human resources for deployment, data collection and analysis.…”

Section: Introductionmentioning

confidence: 99%

“…Hence long-life and low-cost (hence allowing high spatial density) self-powering or battery operated sensors' development is a relatively unexplored field. Their availability would allow the implementation of automated procedures based on already existing knowledge on leakage diagnosis: noise sensors pervasively deployed across water distribution networks would be able to immediately warn when new water spills are under formation or are likely to be present; the advanced data processing algorithms for cross correlation and pre-filtering 4 would be able to pinpoint the failures positions. In this paper we present the first part of the system, conceived as an ultra-pervasive monitoring and communication network, designed so as to be interfaced and expanded through existing telecom infrastructures (e.g.…”

Section: Introductionmentioning

confidence: 99%

Ultra-Pervasive District Monitoring for Water Leak Detection

Vaccarini¹,

Naticchia²,

Casolaro³

et al. 2012

Proceedings of the International Symposium on Automation and Robotics in Construction (IAARC)

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Purpose One of the main concerns regarding integrated water resources management is related to the development of scalable monitoring and control systems for pro-active maintenance of water distribution networks. It is necessary for the availability of ultra-pervasive sensor-actuator networks to be deployed at the district level. The same technology is useful for several other applications involving sensors accrued from city to building scale. This paper deals with the design, development, and initial experiments of a first prototype of ultra-pervasive monitoring network for automated leakage detection in water distributions system (WDS). These pose technology challenges mainly generated by the need to transmit from underground. Method The availability of a new generation of ultra-pervasive communication and monitoring systems is a prerequisite for providing fine-grained, real-time monitoring data at district level, so that control policies can be applied in real-time. The sensing layer developed in the system object of this paper is intended for a dense deployment even underground. It is based on short-range battery-operated wireless networks, forming a mesh made up of end devices (sensors/actuators), routers/repeaters and coordinators/gateways. The coordinators/gateways -besides coordinating the network routing-transfer sensors packets to a host application enabling interconnection to fixed and mobile networks made available by the Telco operator. Because of this set-up the network can cover a large territory at low cost. It supports leakage detection algorithms, estimates leakage occurrence probability and pinpoints them. Results & Discussion First laboratory trials and preliminary onsite experiments show the feasibility of the approach and the potential for ultrapervasive communication through the network. Results indicate this system to be cheap and easily deployable alongside WDS.

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Ten years of experience with leak detection by acoustic signal analysis

Cited by 254 publications

References 4 publications

Water and Wastewater Pipe Nondestructive Evaluation and Health Monitoring: A Review

Water and Wastewater Pipe Nondestructive Evaluation and Health Monitoring: A Review

A Simulation Study on Using Inverse Transient Analysis for Leak Detection in Water Distribution Networks

Ultra-Pervasive District Monitoring for Water Leak Detection

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