نتایج جستجو برای: water distribution infrastructure systems
تعداد نتایج: 2263485 فیلتر نتایج به سال:
introduction: corrosion and scaling of water in distribution systems in spite of imposing economic and aesthetic problems can lead to adverse effects on consumers' health. the present study was conducted to evaluate the corrosion and scaling of water distribution system of sarableh city (ilam, iran) during summer and winter seasons in 2014. materials and methods: totally, 60 samples of wat...
compared to conventional chlorination methods which apply chlorine at water treatment plant, booster chlorination has almost solved the problems of high dosages of chlorine residuals near water sources and lack of chlorine residuals in the remote points of a water distribution system (wds). however, control of trihalomethane (thm) formation as a potentially carcinogenic disinfection by-product ...
This study presents a multimodal hub location problem which has the capability to split commodities by limited-capacity hubs and transportation systems, based on the assumption that demands are stochastic for multi-commodity network flows. In the real world cases, demands are random over the planning horizon and those which are partially fulfilled, are lost. Thus, the present study handles dema...
The lack of water resources in Iran has increased concern about water consumption in the country. The agricultural sector is known as the largest sector of water consumption, and saving in this sector will save significant water resources. One of the solutions for the optimal use of water resources is the use of modern irrigation methods with proper design and implementation. Therefore, the pur...
Executive Summary The continuous growth of cyber security threats and attacks including the increasing sophistication of malware is impacting the security of critical infrastructure, industrial control systems, and Supervisory Control and Data Acquisition (SCADA) control systems. The reliable operation of modern infrastructures depends on computerized systems and SCADA systems. Since the emerge...
administrative regulations for water flow decrease distribution efficiency and effect the economical operation of irrigation networks. complications in distribution systems and the decrease in availability of water require study of the hydraulic performance of existing flow control structures. control systems designed by neyrpic (zayandeh rud network) and usbr (doroodzan network) were investiga...
Given the large contribution of government investment in the economy of Iran through spending on infrastructure budgets,resources distribution among the provinces was always one of the major problems in the economy. Distribution of budget among provinces theoriticalyis based on tactical and/or programmatic approach. In tactical approach, redistributive policyof the central government is based o...
Households around the world access water through an intermittent piped water supply; however, delivery of water in these systems is often unpredictable, creating a burden for households waiting to collect water and utilities managing its distribution. We present NextDrop, a system that allows water operators to report information through existing networks of mobile phones and use that informati...
The ATLAS detector requires a huge infrastructure consisting of numerous interconnected systems forming complex mesh which undergoes constant maintenance and upgrades. Technical Coordination Expert System provides, by the means user interface, quick deep understanding infrastructure, helps to plan interventions foreseeing unexpected consequences, understand events when time is crucial in contro...
Real-time in-network distribution system monitoring to improve operational efficiency Water distribution infrastructure worldwide is aging, resulting in increasing failures and underscoring the need for real-time monitoring to avoid interruption of an essential service. In this research an end-to-end integrated hardware and software system was developed for monitoring, analyzing, and modeling l...
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