Pattern Recognition for Reliability Assessment of Water Distribution Networks

Pattern Recognition for Reliability Assessment of Water Distribution Networks

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This study investigates the patterns that describe reliability of water distribution networks focusing to the node connectivity, energy balance, and economics of construction, operation and maintenance. A number of measures to evaluate the network resilience has been developed and assessed to arrive at more accurate diagnostics of regular and irregular demand scenarios. These measures have been proposed as a part of the methodology for snap-shot assessment of network reliability based on its configuration and hydraulic performance. Practical outcome of the research is the decision support tool for reliability-based design of water distribution networks. This computer package named NEDRA (NEtwork Design and Reliability Assessment) consists of the modules for network generation, filtering, initialisation, optimisation, diagnostics and cost calculation, which can be used for sensitivity analyses of single network layout or assessments of multiple layouts. The study concludes that none of the analysed aspects develops clear singular patterns. Nevertheless, the proposed network buffer index (NBI) and the hydraulic reliability diagram (HRD) as visual representation of the network resilience give sufficient snap-shot pointing the composition of the index value, and displaying possible weak points in the network that can be hidden behind the averaged values of various reliability measures.CHAPTER 5 Hydraulic Reliability Diagram and Network Buffer Index as Indicators of Water Distribution Network Resilience1 The research presented in this chapter ... Moreover, the HRD hints the network buffer for particular level of demand.


Title:Pattern Recognition for Reliability Assessment of Water Distribution Networks
Author: N. Trifunovic
Publisher:CRC Press - 2012-02-13
ISBN-13:

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