Self-organizing map neural network application in detecting the extent of intentional pollution in the urban water distribution network

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MEHRDADI NASER; Vafaei Mehr Davood; NABI BIDHENDI GHOLAMREZA; HOVEIDI HASSAN

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Paper Information

Journal: IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT Year:2022 | Volume:15 | Issue:1 Page(s): 17-36

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Title

Self-organizing map neural network application in detecting the extent of intentional pollution in the urban water distribution network

Author(s)

MEHRDADI NASER | Vafaei Mehr Davood | NABI BIDHENDI GHOLAMREZA | HOVEIDI HASSAN | Issue Writer Certificate

Keywords

Water distribution network

Hydraulic analysis

Artificial intelligence

Self-organizing map

Abstract

Background and Objective: Water distribution networks are prone to terrorist attacks by injecting toxic substances, due to their vastness and availability. The main objective of this paper was detecting the extent of intentional pollution in the urban Water distribution network by Self-organizing map (SOM). Materials and Methods: The existing hydraulic condition of the Water distribution network covered by reservoir No. 4 in Tehran was modeled as a pilot. Possible injection scenarios of contamination in different parts of the Water distribution network were performed using qualitative analysis of the Water distribution network, using the EPANET analyzer engine and coding in R software environment. Artificial neural network of SOM was used to find the contamination range for the injection of arsenic at different times and places in the distribution network. Results: The concentration of contamination at a certain point decreased over time and a high correlation was observed between time and concentration. The extent of contamination depended on the consumption of subscribers and consequently, the time of contaminat injection. The results of the artificial neural network model showed that the method developed in this research was 91% accurate and was able to determine the extent of contamination in the Water distribution network at high speed. Conclusion: SOM can be used as a complement to the water quality monitoring and pollution detection system in the urban Water distribution network to determine the extent of pollution when detecting potential pollution in the shortest possible time, and as an alternative to quantitative-qualitative modeling of the water network.

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APA: Copy

MEHRDADI, NASER, Vafaei Mehr, Davood, NABI BIDHENDI, GHOLAMREZA, & HOVEIDI, HASSAN. (2022). Self-organizing map neural network application in detecting the extent of intentional pollution in the urban water distribution network. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 15(1 ), 17-36. SID. https://sid.ir/paper/963719/en

Vancouver: Copy

MEHRDADI NASER, Vafaei Mehr Davood, NABI BIDHENDI GHOLAMREZA, HOVEIDI HASSAN. Self-organizing map neural network application in detecting the extent of intentional pollution in the urban water distribution network. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2022;15(1 ):17-36. Available from: https://sid.ir/paper/963719/en

IEEE: Copy

NASER MEHRDADI, Davood Vafaei Mehr, GHOLAMREZA NABI BIDHENDI, and HASSAN HOVEIDI, “Self-organizing map neural network application in detecting the extent of intentional pollution in the urban water distribution network,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 15, no. 1 , pp. 17–36, 2022, [Online]. Available: https://sid.ir/paper/963719/en

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