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http://dx.doi.org/10.3741/JKWRA.2020.53.11.1015

Velocity-based decision of water quality measurement locations for the identification of water quality problems in water supply systems  

Hong, Sungjin (Department of Civil Engineering, The University of Suwon)
Lee, Chanwook (Department of Civil Engineering, The University of Suwon)
Park, Jiseung (Department of Civil Engineering, The University of Suwon)
Yoo, Do Guen (Department of Civil Engineering, The University of Suwon)
Publication Information
Journal of Korea Water Resources Association / v.53, no.11, 2020 , pp. 1015-1024 More about this Journal
Abstract
Recently, water pollution accidents have continued to occur in pipelines such as red water Incheon and Seoul. In order to recognize this water quality problem, it is necessary to install a water quality sensor in an appropriate location and measure it in advance to detect or block the water supply to the water faucet of the shelter. However, there are limitations, such as maintenance costs, to installing multiple water meters in all pipelines. Therefore, this study proposed a methodology for determining and prioritizing the installation location of flow-based water quality sensor for the recognition of water quality problems in pipelines. We applied the proposed procedure to the pipe break scenario. The results of the determination of the location of the water quality sensor were presented by applying it to the pipe network that actually operates the emergency pipe in Korea. The result of the decision showed that in the event of abnormal situation caused by the destruction of individual pipes, the flow rate of the pipes around the aqueduct and the tank may change rapidly, resulting in water quality accidents caused by turbidity. In the future, it is expected that the water quality monitoring point selection method, such as establishing an external pipe operation plan for pipe cleaning, will utilize the procedure for determining the location of the water quality sensor according to the velocity.
Keywords
Water supply systems; Velocity; Water-quality sensor;
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