Optimizing Control of Secondary Water Supply Tanks for Demand Peak Staggering

Jian Wang, Bangwu Deng, Shuai Jiang, Zhuozhi Deng, Wei Wang, Guowei Chen and Li Liu ()
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Jian Wang: Hefei University of Technology
Bangwu Deng: Anhui Shunyu Water Co., Ltd
Shuai Jiang: Anhui Shunyu Water Co., Ltd
Zhuozhi Deng: Anhui Shunyu Water Co., Ltd
Wei Wang: Hefei University of Technology
Guowei Chen: Hefei University of Technology
Li Liu: Hefei University of Technology

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2024, vol. 38, issue 11, No 8, 4123-4136

Abstract: Abstract Water consumption dynamics lead to pressure fluctuations at network nodes, potentially associated with pipe leakages or unreliable supply within a water distribution system. Efficient management of secondary water supply system (SWSS) could enhance inflow modes of its essential component (i.e., storage tank) of potential implication on pressure control and water quality maintenance. In this study, a novel computational framework was developed to determine the optimal inflow profiles of storage tanks, where a water supply system simulation model was integrated with the particle swarm algorithm-based optimization for demand peak staggering. Experimental investigations on an example water supply system revealed that, as compared to the control of float ball valves, the optimizing regulation of SWSS tanks remarkably reduced water pressure oscillations by approximately 70%, correspondingly with the minimum pressure elevating and the maximum pressure declining among network nodes. Furthermore, the enhancing regulation schemes allowed water levels to fluctuate within an effective range, thus decreasing water retention time and facilitating associated water quality safety. Sensitivity analysis from our simulations indicates that increasingly appropriate tank number and size magnified the regulation capability, thereby reinforcing the promotion effect of optimizing control schemes on the system performance. The proposed approach is expected to provide theoretical support for optimizing the dynamic operations and management of SWSSs.

Keywords: Secondary water supply tanks; Demand peak staggering; Optimizing control; Pressure stabilization; Water age (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s11269-024-03855-3

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