Development of a Fuzzy-Function-Based Performance Indicator for Water Distribution System’s Emergency Condition

Emergency interconnected operation (EIO) between adjacent blocks in a water distribution system (WDS) is one of the most effective countermeasures of a water utility when abnormal conditions (e.g., suspended water supply, pipe burst) occur at a certain location. For improved WDS operation and manage...

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Bibliographic Details
Published inWater (Basel) Vol. 12; no. 8; p. 2296
Main Authors Jun, Hwandon, Gim, Arin, Oak, Sueyeun, Jung, Donghwi
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.08.2020
Subjects
Business metrics
consumer satisfaction
Consumers
Customer satisfaction
Distribution
emergency condition
Emergency procedures
fuzzy function
Fuzzy sets
Hydraulic performance
Hydraulics
Indicators
Optimization
performance indicator
Pessimism
User satisfaction
Vadose water
Water
Water distribution
water distribution system
Water distribution systems
Water engineering
Water shortages
Water supply
Water utilities
South Korea
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Summary:Emergency interconnected operation (EIO) between adjacent blocks in a water distribution system (WDS) is one of the most effective countermeasures of a water utility when abnormal conditions (e.g., suspended water supply, pipe burst) occur at a certain location. For improved WDS operation and management, calculating a reliable performance indicator that accurately represents the states of consumers under both normal and abnormal conditions is essential. In this study, a water supply performance indicator (WSPI) was developed for assessing the hydraulic performance of a WDS in terms of consumer usability and satisfaction. A fuzzy function is used to represent the consumer satisfaction with the water supply level, and the satisfaction of different consumers can be adjusted by setting the variables of the fuzzy function. The WSPI can be applied to a hydraulic analysis model based on data from an actual WDS to assess the water supply capacity for each node and the entire network. It can also be used in an advanced pressure-driven analysis model to assess the WDS performance under various abnormal conditions. The proposed WSPI was applied to six suspended water supply scenarios of an actual WDS with and without EIO to assess the effectiveness of this countermeasure.
ISSN:2073-4441
2073-4441
DOI:10.3390/w12082296