NDLI: An Optimization Approach to Leak Detection in Pipe Networks Using Simulated Annealing

Content Provider	Springer Nature Link
Author	Huang, Yen Chen Lin, Chao Chin Yeh, Hund Der
Copyright Year	2015
Abstract	A numerical approach, named as leak detection simulated annealing (LDSA), is developed based on the combination of transient flow simulations and simulated annealing to detect leaks in a pipe network. In the LDSA framework, an analysis model for pipe networks is first used to determine the steady-state nodal head solution of the network. For detecting the leaks, a valve closing suddenly at downstream side of the network is designed to create a transient event and then the method of characteristic is applied to simulate the transient flow in the network. Results from an experiment on leak detection in a single pipeline presented in the literature are used to verify the capability of LDSA in identifying the leaks. The result shows that the leaks represented by orifices in two cases can be accurately detected. The effect of C $_{ d }$ A (discharge coefficient times effective area of orifice) on the detection is evaluated. In addition, three scenarios with three cases in each scenario are designed to test the performance of LDSA in numerical experimental studies for a synthetic network. For a very small value of C $_{ d }$ A, it is found that the use of multiple observation points can increase the detection capability.
Starting Page	4185
Ending Page	4201
Page Count	17
File Format	PDF
ISSN	09204741
Journal	Water Resources Management
Volume Number	29
Issue Number	11
e-ISSN	15731650
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-07-01
Publisher Institution	European Water Resources Association (EWRA)
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Leak detection Pipe network Transient flow Method of characteristic Simulated annealing Hydrogeology Hydrology/Water Resources Geotechnical Engineering & Applied Earth Sciences Atmospheric Sciences Civil Engineering Environment
Content Type	Text
Resource Type	Article
Subject	Water Science and Technology Civil and Structural Engineering

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