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A Study on the Practical Pressure-Driven Hydraulic Analysis Method Considering Actual Water Supply Characteristics of Water Distribution Network

Author

Listed:
  • Dong Eil Chang

    (School of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02841, Korea)

  • Do Guen Yoo

    (Department of Civil and Environmental Engineering, The University of Suwon, Gyeonggi-do 18323, Korea)

  • Joong Hoon Kim

    (School of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02841, Korea)

Abstract

For reliable pressure-driven analysis (PDA) results, it is necessary to reasonably determine an objective head-outflow relationship (HOR) and the required head for each node. So far, no methodology has been proposed to objectively determine two factors based on data of real block. In this study, the HOR was defined using the water supply method, residential environment, and water consumption data within real blocks. The standard minimum residual pressure criteria were reviewed to quickly and rationally determine the required head for each node. To validate the proposed methodology, the HOR and required head application conditions were configured for different scenarios; the available flow rate of nodes and the water supply capacity of the entire block were evaluated based on PDA results. Through the results for each scenario, the HOR definition method was able to provide a reasonable result reflecting the actual block’s conditions, unlike the conventional orifice-type HOR, and the standard minimum residual pressure criteria as the required head was evaluated to be more efficient than the conventional time-consuming method. The HOR uncertainty and the lack of rationality in the selection of the required heads affected the reliability of PDA results; these problems can be solved using the proposed methodology.

Suggested Citation

  • Dong Eil Chang & Do Guen Yoo & Joong Hoon Kim, 2021. "A Study on the Practical Pressure-Driven Hydraulic Analysis Method Considering Actual Water Supply Characteristics of Water Distribution Network," Sustainability, MDPI, vol. 13(5), pages 1-15, March.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:5:p:2793-:d:510793
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    References listed on IDEAS

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    1. Carlo Ciaponi & Luigi Franchioli & Enrico Murari & Sergio Papiri, 2015. "Procedure for Defining a Pressure-Outflow Relationship Regarding Indoor Demands in Pressure-Driven Analysis of Water Distribution Networks," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 29(3), pages 817-832, February.
    2. Dong Eil Chang & Do Guen Yoo & Joong Hoon Kim, 2020. "Practical Head-Outflow Relationship Definition Methodology That Accounts for Varied Water-Supply Methods," Sustainability, MDPI, vol. 12(11), pages 1-18, June.
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