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https://gnanaganga.inflibnet.ac.in:8443/jspui/handle/123456789/14054
Title: | Locations of Sampling Stations for Water Quality Monitoring in Water Distribution Networks |
Authors: | Shweta Rathi Rajesh Gupta |
Keywords: | Demand coverage monitoring water distribution networks water quality |
Issue Date: | 2014 |
Publisher: | Journal of Environmental Science and Engineering |
Abstract: | Water quality is required to be monitored in the water distribution networks (WDNs) at salient locations to assure the safe quality of water supplied to the consumers. Such monitoring stations (MSs) provide warning against any accidental contamination. Various objectives like demand coverage, time for detection, volume of water contaminated before detection, extent of contamination, expected population affected prior lo detection, detection likelihood and others, have been independently or jointly considered in determining optimal number and location of MSs in WDNs. "Demand coverage .. defined as the percentage of network demand monitored by a particular monitoring station is a simple measure to locate MSs. Several methods based on formulation of coverage matrix using pre-specified coverage criteria and optimization have been suggested. Coverage criteria is defined as some minimum percentage of total flow received at the monito1ing stations that passed through any upstream node included then as covered node of the monitoring station. Number or monitoring stations increases with the increase in the value of coverage criteria. Thus , the design of monitoring station becomes subjective. A simple methodology is proposed herein which priority wise iteratively selects MSs to achieve targeted demand coverage. The proposed methodology provided the same number and location of MSs for illustrative network as an optimization method did. Further, the proposed method is simple and avoids subjectivity that could arise from the consideration of coverage crite1ia. The application of methodology is also shown on a WDN of Dharampeth zone (Nagpur city WDN in Maharashtra, India) having 285 nodes and 367 pipes. |
URI: | http://gnanaganga.inflibnet.ac.in:8080/jspui/handle/123456789/14054 |
Appears in Collections: | Articles to be qced |
Files in This Item:
File | Size | Format | |
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Locations of Sampling Stations.pdf Restricted Access | 2.67 MB | Adobe PDF | View/Open Request a copy |
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