Simplified Pressure-Driven Analysis of Water Distribution Network and Resilience Estimation

AbstractWater distribution networks face a pressure-deficient condition during component failure and during the addition of fire-fighting demand. Prediction of performance of water distribution networks under pressure-deficient conditions is important for network design. The demand-driven analysis m...

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Bibliographic Details
Published in:Journal of water resources planning and management 2021-03, Vol.147 (3)
Main Authors: Neelakantan, T. R, Rohini, K
Format: Article
Language:English
Subjects:
Demand analysis
Distribution
Fire control
Fire fighting
Networks
Pressure
Resilience
Stress concentration
Technical Note
Technical Notes
Water analysis
Water distribution
Water engineering
Water resources management
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Summary:AbstractWater distribution networks face a pressure-deficient condition during component failure and during the addition of fire-fighting demand. Prediction of performance of water distribution networks under pressure-deficient conditions is important for network design. The demand-driven analysis method did not have the ability to simulate the pressure-deficient network, and hence many pressure-driven analysis methods have been developed. A simplified revised method to analyze the pressure-deficient condition of water distribution networks was developed and is reported here. The revision reduces the number of artificial elements added to the demand nodes for simulating the pressure-deficient condition in a single iteration. A new resilience indicator was developed and applied to a network to demonstrate its application to pressure-deficient networks. Estimating a meaningful resilience performance was facilitated by the new indicator.
ISSN:0733-9496
1943-5452
DOI:10.1061/(ASCE)WR.1943-5452.0001349