نتایج جستجو برای: water networks
تعداد نتایج: 970103 فیلتر نتایج به سال:
The paper approaches the optimization of water distribution networks supplied from one or more node sources, according to demand variation. Traditionally, in pipe optimization, the objective function is always focused on the cost criteria of network components. In this study an improved linear model is developed, which has the advantage of using not only cost criteria, but also energy consumpti...
Water distribution Networks (WDNs) are critical infrastructures that are exposed to deliberate or accidental contamination. Until now, no monitoring system is capable of protecting a WDN in real time. In the immediate future water service utilities that are installing water quantity and quality sensors in their networks will be producing a continuous and huge data stream for treating. The main ...
Microbiological nitrification process may lead to chemical, microbiological and technical problems in drinking water distribution systems. Nitrification activity is regulated by several physical, and chemical, and operational factors. However, the factors affecting nitrification in the distribution systems in boreal region, having its specific environmental characteristics, are poorly known. We...
Liquid methanol shows one- and two-dimensional (1D/2D) hydrogen bond (HB) networks, and liquid water shows three-dimensional (3D) HB networks. We have clearly found three different local structures around the methyl group of methanol-water binary solutions (CH3OH)X(H2O)1-X at different concentrations in C K-edge soft X-ray absorption spectroscopy (XAS). With the help of molecular dynamics simul...
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...
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...
Wetlands as one of the most important and most valuable natural ecosystems in the world play an important role in filtering pollutants and reduce dust, creating a favorable microclimate, biodiversity and genetic and organic materials reservoirs. In central part of Iran, climatic and human factors have created significant differences between dry and wet surfaces of Gavkhooni wetland in recent de...
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