Transient wave-based methods for anomaly detection in fluid pipes: A review

TC Che, HF Duan, PJ Lee - Mechanical Systems and Signal Processing, 2021‏ - Elsevier
Over the years, anomaly detection of fluid pipes has been a focus of water authorities as well
as oil and gas operators to advance the operation and management of these mechanical …

State-of-the-art review on the transient flow modeling and utilization for urban water supply system (UWSS) management

HF Duan, B Pan, M Wang, L Chen… - Journal of Water …, 2020‏ - iwaponline.com
In the context of smart city development and rapid urbanization worldwide, urban water
supply system (UWSS) has been of vital importance to this process. This paper presents a …

Leak detection and topology identification in pipelines using fluid transients and artificial neural networks

J Bohorquez, B Alexander, AR Simpson… - Journal of Water …, 2020‏ - ascelibrary.org
Condition assessment of water pipelines using fluid transient waves is a noninvasive
technique that has been investigated for the past 25 years. Approaches to identify different …

Anomaly pre-localization in distribution–transmission mains by pump trip: preliminary field tests in the Milan pipe system

S Meniconi, B Brunone, M Ferrante… - Journal of …, 2015‏ - iwaponline.com
In this paper, the reliability of transients due to pump trip as a powerful tool for the pre-
localization of anomalies in real pipe systems is tested. The examined pipe system is part of …

Water-hammer pressure waves interaction at cross-section changes in series in viscoelastic pipes

S Meniconi, B Brunone, M Ferrante - Journal of fluids and structures, 2012‏ - Elsevier
In view of scarcity of both experimental data and numerical models concerning transient
behavior of cross-section area changes in pressurized liquid flow, the paper presents …

Numerical analysis of the transient pressure dam** in a single polymeric pipe with a leak

B Brunone, S Meniconi, C Capponi - Urban Water Journal, 2018‏ - Taylor & Francis
In recent decades transient test-based techniques (TTBTs) have been used for fault
detection in transmission mains. Within TTBTs, the direct transient analysis (DTA) allows the …

Experimental investigation of coupled frequency and time-domain transient test–based techniques for partial blockage detection in pipelines

S Meniconi, HF Duan, PJ Lee, B Brunone… - Journal of hydraulic …, 2013‏ - ascelibrary.org
Partial blockages commonly exist in pressurized pipeline systems, and the rapid
remediation of such faults is required to reduce the wastage of energy as well as to maintain …

Extended blockage detection in pipelines by using the system frequency response analysis

HF Duan, PJ Lee, MS Ghidaoui… - Journal of Water …, 2012‏ - ascelibrary.org
This paper proposes a technique for the detection of extended blockages in pressurized
water pipelines by using the system frequency responses under transient conditions. The …

Frequency domain analysis of pipe fluid transient behaviour

PJ Lee, HF Duan, M Ghidaoui… - Journal of hydraulic …, 2013‏ - Taylor & Francis
Pipe transient signals are hyperbolic in nature where key features of the signal repeat
periodically and are well suited to the analysis in the frequency domain. For this reason, a …

Extended blockage detection in pipes using the system frequency response: Analytical analysis and experimental verification

HF Duan, PJ Lee, A Kashima, J Lu… - Journal of Hydraulic …, 2013‏ - ascelibrary.org
Extended blockages in a pipeline system are expected to impose changes onto the system
resonant frequencies where the size and nature of the frequency shifts can be used to …