نتایج جستجو برای: pumping stations
تعداد نتایج: 46848 فیلتر نتایج به سال:
Hydromechanical equipment of pumping stations irrigation systems, including the main Amu-Bukhara machine channel, was taken as object research. The study aims to assess operating conditions and improve units' reliability by developing new units that ensure reliable resource-saving operations. An important consequence using elements systems during reconstruction is an increase in unit capacity r...
Purpose: to develop methodological approaches that allow assessing the mobility level of reclamation pumping stations operating in conjunction with sprinklers through a closed pressure network. Materials and methods. Logical techniques: analysis, synthesis, comparison, abstraction generalization were used as approaches. To achieve this goal, classification methods used, namely, when classifying...
Chemicals such as magnesium hydroxide (Mg(OH)2) and iron salts are widely used to control sulfide-induced corrosion in sewer networks composed of interconnected sewer pipe lines and pumping stations. Chemical dosing control is usually non-automatic and based on experience, thus often resulting in sewage reaching the discharge point receiving inadequate or even no chemical dosing. Moreover, inte...
Water transport networks (WTN) are generally used to convey water from production plants or sources to storage tanks close to the consumptions areas. Tanks are usually built with enough elevation to guarantee the service pressure required for their associated consumption area. WTNs contain large water mains and control elements, such as pumping stations and valves, linking the sources to consum...
In systems experiencing water scarcity and consequent intermittent supply, users often adopt private tanks that collect water during service periods and supply users when the service is not available. The tank may be fed by gravity or by private pumping stations depending on the network pressure level. Once water resources are collected, the tank can supply users by gravity if it is located on ...
This work presents a continuous-time mixed-integer linear programming (MILP) formulation to find the best detailed schedule for single-source multi-product pipelines, minimizing the total operating costs. By knowing the aggregate plan including pumping and delivery tasks, the best detailed solution tends to minimize pump stoppage/restart costs as well as pumping energy charges associated to the...
Optimum control of upstream pumping station in open channels with given constraint in downstream end is presented in this paper. The upstream control is capable of minimizing water level fluctuations in the channel in which the downstream pumping station causes an undesirable wave. The proposed method combines an unsteady non-uniform flow solver with shock-capturing capability, Fourier series a...
Su dağıtım sistemlerinin işletilmesindeki en yüksek gider kalemini, pompalama için kullanılan enerji maliyeti oluşturmaktadır. Çok zamanlı elektrik tarifesi ve kentsel su talebi ile bağlantılı olarak, sistemlerindeki istasyonlara ait çizelgesinin optimizasyonu problemi matematiksel olarak modellenebilir. Bu çalışmada, maliyetini düşürmeye yönelik problemini çözmek yeni bir algoritma (SDPA-sadel...
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