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Water Loss Assessment in Distribution Networks - Methods, Applications and Implications in Intermittent Supply (Paperback) Loot Price: R2,821
Discovery Miles 28 210
Water Loss Assessment in Distribution Networks - Methods, Applications and Implications in Intermittent Supply (Paperback):...

Water Loss Assessment in Distribution Networks - Methods, Applications and Implications in Intermittent Supply (Paperback)

Taha M. Al-Washali

Series: IHE Delft PhD Thesis Series

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Loot Price R2,821 Discovery Miles 28 210 | Repayment Terms: R264 pm x 12*

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Water utilities worldwide lose 128 billion cubic meters annually, causing annual monetary losses estimated at USD 40 billion. Most of these losses occur in developing countries (74%). This calls for rethinking the challenges facing water utilities in developing countries, foremost of which is the assessment of water losses in intermittent supply networks. Water loss assessment methods were originally developed in continuous supply systems, and their application in intermittently operated networks (in developing countries) is hindered by the widespread use of household water tanks and unauthorised consumption. This study provides an extensive review of existing methods and (software) tools for water loss assessment. In addition, several new methods were developed, which offer improved water loss assessment in intermittent supply. As the volume of water loss varies monthly and annually according to the amount of supplied water, this study proposes procedures to normalise the volume of water loss in order to enable water utilities to monitor and benchmark their performance on water loss management. The study also developed a novel method of estimating apparent losses using routine data of WWTP inflows, enabling future real-time monitoring of losses in networks. Different methods have also been suggested to estimate the unauthorised consumption in networks. This study found that minimum night flow analysis can still be applied in intermittent supply if an area of the network is supplied for several days. Furthermore, this study concluded that water meter performance is enhanced in intermittent supply conditions. However, continuous supply in the presence of float-valves significantly reduces the accuracy of water meters. Finally, this study provides guidance and highlights several knowledge gaps in order to improve the accuracy of water loss assessment in intermittent supply. Accurate assessment of water loss is a prerequisite for reliable leakage modelling and minimisation as well as planning for, and monitoring of water loss management in distribution networks.

General

Imprint: Crc Press
Country of origin: United Kingdom
Series: IHE Delft PhD Thesis Series
Release date: June 2021
First published: 2020
Authors: Taha M. Al-Washali
Format: Paperback
Pages: 246
ISBN-13: 978-0-367-76655-9
Categories: Books > Professional & Technical > Civil engineering, surveying & building > General
Books > Professional & Technical > Environmental engineering & technology > General
Books > Business & Economics > Industry & industrial studies > Energy industries & utilities > Water industries
Books > Earth & environment > Earth sciences > The hydrosphere > General
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LSN: 0-367-76655-8
Barcode: 9780367766559

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