Water Distribution Network Model of Metropolitan Waterworks Authority
Keywords:
Water Distribution Network Model, EPANET, ArcMap, Maha Sawat, Bang Bua ThongAbstract
The present study involved the development of a water distribution network model using EPANET program; information of the water networks from the Maha Sawat Waterworks Office and Bang Bua Thong Branch was used. The model was calibrated against the field data based on the balance of water usage and water pressure, the water supply and water pressure data from water supply stations as well as the water volume and water pressure from the district monitoring areas and master meters. The results showed that the difference between the predicted and measured average flow rates was 0.005 CMH. Percentage error was noted to be 0.00002, while the mean error was 3.317; root mean square error (RMSE) was 3.829 and the linear correlation coefficient was 1.00. In terms of the mean pressure, the difference was 0.15 m. Percentage error was 3.04, while the mean error was 0.289; RMSE was 0.653 and the linear correlation coefficient was 0.946.
References
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