Inverse Optimization based Detection of Leaks from Simulated Pressure in Water Networks, Part 1: Analysis for a Single Leak

Peace K. Amoatey, University of Ghana, András Bárdossy, Heidrun Steinmetz, Universität Stuttgart (ISWA), University of Kaiserslautern
<span title="">2018</span> <i title="Computational Hydraulics International"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/ef22zgwudjaxvhmwui64szvide" style="color: black;">Journal of Water Management Modeling</a> </i> &nbsp;
The ability to easily detect leaks in water networks enables prompt repairs thereby reducing the duration of a leak. This study uses a minimization approach related to the Monte Carlo method to detect leakage in water networks that do not have continuous real time pressure-measuring systems, using a hydraulic model of the network. The model works very well in detecting leaks occurring in a gridded network while it performs below average for leaks occurring in branched areas. Reference pressures
more &raquo; ... are obtained by introducing a leak of known magnitude into the network model by changing the emitter coefficient of a reference node. Reference pressures are compared with several simulated pressures from randomly simulated leaks. The leaking node is found as the most frequent node-emitter-coefficient combination for which the objective function is minimised. A minimum of eight reference points is required for a leak to be detected in any part of the network.
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.14796/jwmm.c460">doi:10.14796/jwmm.c460</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/hh3ohqwmova4xhaagq7vtbmt5e">fatcat:hh3ohqwmova4xhaagq7vtbmt5e</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190427003437/https://www.chijournal.org/Content/Files/C460.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/c9/30/c930ee0cd0f10b2248140e0607060b8a2e6245aa.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.14796/jwmm.c460"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> Publisher / doi.org </button> </a>