Advances in Leakage Control and Energy Consumption Optimization in Drinking Water Distribution Networks

Ortega-Ballesteros, Andrés; Muñoz-Rodríguez, David; Perea-Moreno, Alberto-Jesús

doi:10.3390/en15155484

Cited by 2 publications

(1 citation statement)

References 23 publications

(26 reference statements)

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“…There are several ways to manage pressure in a WDN to reduce leakage. A review of these methods can be found in the literature [23]. One of the simplest ways is by optimizing water levels in storage tanks.…”

Section: Introductionmentioning

confidence: 99%

Advanced Pressure Management for Sustainable Leakage Reduction and Service Optimization: A Case Study in Central Chile

et al. 2022

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The central part of Chile has been in severe unprecedented drought for more than ten years, becoming a water-stressed area. ESVAL, one of the main water utilities in the Chilean water sector, is responsible for delivering potable water to the population and securing long-term supply in the vast majority of this area. In order to achieve this goal, ESVAL is implementing different measures, with pressure management being one of them. This paper aims to describe the works executed in La Calera city to implement a new advanced pressure management scheme on an existing pressure-reducing valve with two main targets: reducing leakage and improving the level of service to the customers. The results show that advance pressure management generates a 10.12% reduction in the minimum night flow while, at the same time, helping to improve the level of service to the customers reducing the number of times pressure falls below the minimum target set by ESVAL by 52%. It is concluded that pressure management facilitates quick water savings by optimizing the performance of existing pressure-reducing valves.

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Section: Introductionmentioning

confidence: 99%

Advanced Pressure Management for Sustainable Leakage Reduction and Service Optimization: A Case Study in Central Chile

et al. 2022

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The Impact Assessment of Water Supply DMA Formation on the Monitoring System Sensitivity

Kowalski

Suchorab

2023

Applied Sciences

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One of the main tasks that water companies face is limiting water losses through the distribution network. This issue is becoming more and more relevant because of progressive climate changes and rising water resource deficiencies. The first step to reducing water losses is the proper detection of leakages, including their location and size. A common approach, called active leakage control, is to divide the water network into District Metered Areas (DMAs) to detect unreported leaks in the water distribution system (WDS). The operating flow meter device at the border of the DMA allows the determination of the number of water losses by balancing water inflows into the zone and billed water consumption. However, to precisely locate a water leak it is necessary to equip the DMA with an adequate number of pressure sensors. The aim of this paper is to evaluate the impact of water supply DMA formation on the sensitivity of the monitoring system in accordance with the number and location of the pressure sensors and the geometric structure of the water pipes in the DMA in order to successfully detect water leakage. The research was conducted on a model grid network with a constant node number but a differential pipe structure. Subsequently, results were verified in the conditions of a real water supply network. The obtained tests showed no clear relationship between the effectiveness of leak detection and the network complexity but confirmed a significant improvement in leak detection after equipping the monitoring system with an additional pressure gauge.

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Advances in Leakage Control and Energy Consumption Optimization in Drinking Water Distribution Networks

Abstract: Water is an essential element for life [...]

Cited by 2 publications

References 23 publications

Advanced Pressure Management for Sustainable Leakage Reduction and Service Optimization: A Case Study in Central Chile

Advanced Pressure Management for Sustainable Leakage Reduction and Service Optimization: A Case Study in Central Chile

The Impact Assessment of Water Supply DMA Formation on the Monitoring System Sensitivity

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