1 research outputs found
Energy optimization of supplied flows from multiple pumping stations in water distributions networks
[EN] One of the most important concerns within the field of urban hydraulic engineers is the right management of water resources. When there is more than one water source, there is a question that must be answered: How much water should be provided by each water
source according to the demand curve of the network? This work proposes a methodology that solves this question. It involves an
energy analysis of the water network based on the concept of the setpoint curve. The setpoint curve gives, for every supplied flow,
the minimum head needed to satisfy pressure requirements in the network. In this sense, the setpoint curve of every source relates
two variables: supplied flow and minimum required head. Energy consumption in every source is evaluated by means of the product
of these two variables. Then flow distribution among sources is optimized and minimum heads are obtained from the setpoint
curve. The optimization process has been validated in two different ways. On one hand, a discrete method has been used, where a predefined combination of flow distributions are evaluated. On the other hand, the solution is found by means of Hooke-Jeeves and Nelder-Mead optimization algorithms. To apply these methods EPANET and its Toolkit has been applied to the mathematical model of the network. The optimization process can be applied to networks models with and without leakages. Finally, the
methodology is applied to two cases, one academic network and real network where maximum flow limitations of every source were also taken into account.León Celi, CF.; Iglesias Rey, PL.; Martínez-Solano, FJ. (2017). Energy optimization of supplied flows from multiple pumping stations in water distributions networks. Procedia Engineering. 186:93-100. doi:10.1016/j.proeng.2017.03.214S9310018