Optimal operation of a multi-quality water distribution system with changing turbidity and salinity levels in source reservoirs

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Abstract

Impact of water quality conditions in sources on the optimal operation of a regional multiquality water distribution system is analysed. Three operational objectives are concurrently minimised, being pump energy costs, turbidity and salinity deviations at customer nodes. The optimisation problem is solved using GANetXL (NSGA-II) linked with EPANet. The example network incorporates scenarios with different water quality in sources. It was discovered that two types of tradeoffs, competing and non-competing, exist between the objectives and that the type of tradeoff is not unique between a particular pair of objectives across scenarios. The findings may be used for system operational planning.

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Mala-Jetmarova, H., Barton, A., & Bagirov, A. (2014). Optimal operation of a multi-quality water distribution system with changing turbidity and salinity levels in source reservoirs. In Procedia Engineering (Vol. 89, pp. 197–205). Elsevier Ltd. https://doi.org/10.1016/j.proeng.2014.11.177

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