Planning & Management

Oral

393725 - Network Effects of Evolving Water Demand Patterns

Thursday, June 7
10:30 AM - 12:00 PM
Location: Greenway GH
Co-Authors: Lina Sela Perelman, Austin, TX – The University of Texas at Austin

Water demand management strategies such as more efficient end-use technology, alternative water resources, and demand response policies have shown promise in reducing consumption and shifting peak demands. The potential savings on the household, regional, and national levels, as well as evolving demand patterns based on smart-meter data have been investigated in literature. However, there is a lack of research on how these changing water demand patterns affect the performance of water distribution networks on a network-wide scale. In this study, three residential patterns were studied: 1) standard average-day demand, 2) smoothed demand, representing the response to economic incentives or technological mechanisms and 3) reduced demand, which models the response to efficient end-use technology and alternative water resources. The network dynamics associated with the three scenarios were evaluated using a hydraulic simulator. Four metrics are suggested to assess the network-wide performance in each scenario: water loss, peak flow, water age, and energy loss. Results from simulations using real-world networks indicate that decreased consumption and variance in demand can reduce energy and water loss in the network, demonstrating potential savings for the utility. The results highlight the implications on water demand management and planning from the network infrastructure and utility side.

Janice Zhuang

Graduate Student
The University of Texas at Austin

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