Analysis of the effect of pressure control on leakages in distribution systems by FAVAD equation and field applications

Pressure has an important effect on the occurrence of failures/leaks in water distribution systems (WDSs) or the change of leakage in existing leakages. For this reason, monitoring the pressure is important especially for analyzing the changes in the day and night, determining the fluctuations and a...

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Autores principales:	Özgür Özdemir, Mahmut Fırat, Salih Yılmaz, Mustafa Usluer
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	favad equation leakage minimum night flow (mnf) pressure control water distribution system Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/4fb5eb1001f9429bad0ddbe2aae4fdcc
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spelling	oai:doaj.org-article:4fb5eb1001f9429bad0ddbe2aae4fdcc2021-11-05T21:08:45ZAnalysis of the effect of pressure control on leakages in distribution systems by FAVAD equation and field applications1751-231X10.2166/wpt.2021.024https://doaj.org/article/4fb5eb1001f9429bad0ddbe2aae4fdcc2021-04-01T00:00:00Zhttp://wpt.iwaponline.com/content/16/2/320https://doaj.org/toc/1751-231XPressure has an important effect on the occurrence of failures/leaks in water distribution systems (WDSs) or the change of leakage in existing leakages. For this reason, monitoring the pressure is important especially for analyzing the changes in the day and night, determining the fluctuations and applying pressure management (PM) to ensure normal operating conditions. In this study, the effect of pressure on water losses and minimum night flow (MNF) was carried out according to the Fixed and Varied Area Discharge (FAVAD) approach, which allows the amount of leakage to be calculated based on the change in pressure and field tests. The minimum flow rate and potential leakage were determined under the network operating conditions before the pressure control in a region. Then, considering the features of the region, pressure was reduced with the pressure control system and MNFs and leaks were monitored. By reducing the pressure from 9.10 bar to 3.2 bar in the region, the MNF rate was reduced from 6.95 l/s to 3.29 l/s. The daily water savings in the system inlet volume is 78.44 m3/day and the annual saving is 28,624 m3/year. The results obtained are very important for practitioners in terms of implementing PM in the field. Highlights The effect of pressure on water losses and minimum night flow rate was analyzed.; The pressure was reduced with the help of the pressure control system.; The minimum night flows were monitored after pressure management.; The theoretical leakage level was analyzed according to the FAVAD equation.; The results of field data and FAVAD equation were compared.;Özgür ÖzdemirMahmut FıratSalih YılmazMustafa UsluerIWA Publishingarticlefavad equationleakageminimum night flow (mnf)pressure controlwater distribution systemEnvironmental technology. Sanitary engineeringTD1-1066ENWater Practice and Technology, Vol 16, Iss 2, Pp 320-332 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	favad equation leakage minimum night flow (mnf) pressure control water distribution system Environmental technology. Sanitary engineering TD1-1066
spellingShingle	favad equation leakage minimum night flow (mnf) pressure control water distribution system Environmental technology. Sanitary engineering TD1-1066 Özgür Özdemir Mahmut Fırat Salih Yılmaz Mustafa Usluer Analysis of the effect of pressure control on leakages in distribution systems by FAVAD equation and field applications
description	Pressure has an important effect on the occurrence of failures/leaks in water distribution systems (WDSs) or the change of leakage in existing leakages. For this reason, monitoring the pressure is important especially for analyzing the changes in the day and night, determining the fluctuations and applying pressure management (PM) to ensure normal operating conditions. In this study, the effect of pressure on water losses and minimum night flow (MNF) was carried out according to the Fixed and Varied Area Discharge (FAVAD) approach, which allows the amount of leakage to be calculated based on the change in pressure and field tests. The minimum flow rate and potential leakage were determined under the network operating conditions before the pressure control in a region. Then, considering the features of the region, pressure was reduced with the pressure control system and MNFs and leaks were monitored. By reducing the pressure from 9.10 bar to 3.2 bar in the region, the MNF rate was reduced from 6.95 l/s to 3.29 l/s. The daily water savings in the system inlet volume is 78.44 m3/day and the annual saving is 28,624 m3/year. The results obtained are very important for practitioners in terms of implementing PM in the field. Highlights The effect of pressure on water losses and minimum night flow rate was analyzed.; The pressure was reduced with the help of the pressure control system.; The minimum night flows were monitored after pressure management.; The theoretical leakage level was analyzed according to the FAVAD equation.; The results of field data and FAVAD equation were compared.;
format	article
author	Özgür Özdemir Mahmut Fırat Salih Yılmaz Mustafa Usluer
author_facet	Özgür Özdemir Mahmut Fırat Salih Yılmaz Mustafa Usluer
author_sort	Özgür Özdemir
title	Analysis of the effect of pressure control on leakages in distribution systems by FAVAD equation and field applications
title_short	Analysis of the effect of pressure control on leakages in distribution systems by FAVAD equation and field applications
title_full	Analysis of the effect of pressure control on leakages in distribution systems by FAVAD equation and field applications
title_fullStr	Analysis of the effect of pressure control on leakages in distribution systems by FAVAD equation and field applications
title_full_unstemmed	Analysis of the effect of pressure control on leakages in distribution systems by FAVAD equation and field applications
title_sort	analysis of the effect of pressure control on leakages in distribution systems by favad equation and field applications
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/4fb5eb1001f9429bad0ddbe2aae4fdcc
work_keys_str_mv	AT ozgurozdemir analysisoftheeffectofpressurecontrolonleakagesindistributionsystemsbyfavadequationandfieldapplications AT mahmutfırat analysisoftheeffectofpressurecontrolonleakagesindistributionsystemsbyfavadequationandfieldapplications AT salihyılmaz analysisoftheeffectofpressurecontrolonleakagesindistributionsystemsbyfavadequationandfieldapplications AT mustafausluer analysisoftheeffectofpressurecontrolonleakagesindistributionsystemsbyfavadequationandfieldapplications
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Analysis of the effect of pressure control on leakages in distribution systems by FAVAD equation and field applications

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