نتایج جستجو برای: water distribution networks

تعداد نتایج: 1515585  

Journal: :Frontiers in water 2021

This study develops an implementation framework for asset management strategic planning of water distribution networks to meet sustainable infrastructure, socio-political, and financial targets over the life cycle infrastructure. The proposed is comprised three decision-making layers: (1) Visions Values, (2) Function, (3) Performance. strategy implemented validated by demonstrating functionalit...

Journal: :Journal of Water Resources Planning and Management 2001

2010
Edgar Reehuis

Due to its practical importance and inherent complexity, the optimization of distribution networks for supplying drinking water has been the subject of extensive study for the past 30 years. The optimization is governed by sizing the pipes in the water distribution network (WDN). The pipe diameters are to be selected from a list of available commercial diameters, making WDN optimization a pure ...

2008
Demetrios G. Eliades Marios M. Polycarpou

This paper formulates the security problem of sensor placement in water distribution networks for contaminant detection. An initial attempt to develop a problem formulation is presented, suitable for mathematical analysis and design. Multiple risk-related objectives are minimized in order to compute the Pareto front of a set of possible solutions; the considered objectives are the contamination...

Journal: :IFAC-PapersOnLine 2022

This paper deals with the problem of leak detection in Water Distribution Networks (WDN). A method based on water demand analysis District Metered Areas (DMAs) is proposed. Historical leak-free data flow used to extract minimum, maximum values, and statistical distributions differences (errors) between predicted values at different time hours day. The concept sensor fusion applied reduce measur...

Journal: :Journal of water process engineering 2021

Reclaimed water can be used for non-potable applications to reduce consumption from freshwater sources. In several regions, the full potential of reusing treated wastewater has not yet been exploited. Establishing a circular economy could promote acceptance reclaimed as an alternative supply source. This study investigates feasibility constructing treatment plant using dual distribution network...

2011
JING LIN Sahra Sedigh

In cyber-physical systems, communications, computing, and information about the system's requirements and operational state are used to streamline and fortify physical operations. Techniques exist for assessment, modeling, and simulation of physical and cyber infrastructures, respectively, but such isolated analysis is incapable of fully capturing the interdependencies that occur when they inte...

Journal: :health scope 0
alireza shakeri abdolmaleki department of water engineering, faculty of soil and water, university of zabol, zabol, ir iran ahmad gholamalizadeh ahangar department of soil sciences, faculty of soil and water, university of zabol, zabol, ir iran; department of soil sciences, faculty of soil and water, university of zabol, zabol, ir iran. tel: +98-542 2240748, fax: +98-542 2232501 jaber soltani department of water engineering, abureyhan campus, university of tehran,tehran, ir iran

conclusions as we can see the ann outputs values are very close to actual cu concentration, so indicating that predicted values are accurate and the network design is proper and the input variables well suitable for the prediction of cu concentration. background access to safe drinking water is one of the basic human rights and essential for healthy life. concerns about the effects of copper on...

2015
Manuel López-Ibáñez

Water distribution networks are a fundamental part of any modern city and their daily operations constitute a significant expenditure in terms of energy and maintenance costs. Careful scheduling of pump operations may lead to significant energy savings and prevent wear and tear. By means of computer simulation, an optimal schedule of pumps can be found by an optimisation algorithm. The subject ...

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