Abstract
The pumping station is a very important hydraulic system in urban water supplies because the pumps raise the water head, ensuring the minimum pressure required in drinking water systems. In the design of a pumping station, one of the most important criteria is the number of pumps. However, in the traditional design, this criterion is defined arbitrarily. The other criteria are defined from the number of pumps and can produce a design that is not optimal. In addition, the traditional design does not consider the importance of the environment in choosing the pumps. The objective of this paper is to define a new design methodology for pumping stations. It has been developed using a multicriteria analysis in which nine criteria are evaluated. The application of the analytic hierarchy process (AHP) allows for finding an optimal solution. These design criteria have been associated in three cluster factors: technical factors; environmental factors; and economic factors. The results obtained allow us not only to validate the methodology but also to offer a solution to the problem of determining the most suitable model and the number of pumps for a pumping station.
Highlights
Socorro Garcia Cascales and Throughout the last century, water consumption has grown at a constant rate of about1% per year
Sustainable Development Goals (SDGs) 6 is dedicated to water and sanitation, while SDG 7 is dedicated the use of nonpolluting energy
A control system based on fixed speed pumps (FSP) and variable speed pumps (VSP) is used to minimize operating costs
Summary
This accelerated consumption is due to the increase in world population, economic development, and the modification of consumption patterns [1]. The high population density in cities has made water supply a highly vulnerable system. By the year 2050, it is estimated that 685 million people will face a 10% decrease in freshwater availability due to climate change. Agricultural production patterns will be transformed depending on the availability of water resources. SDG 6 is dedicated to water and sanitation, while SDG 7 is dedicated the use of nonpolluting energy. Energy will become the focus of efforts to mitigate climate change. Strategies that combine the reduction of water consumption and high energy efficiency will become important [1]
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