Introducing a Novel Flexible Conjunction System to Pressure Control in Water Distribution Networks

Mahdi Abravani and Hassan Saghi ()
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Mahdi Abravani: Hakim Sabzevari University
Hassan Saghi: Hakim Sabzevari University

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2017, vol. 31, issue 13, No 18, 4323-4338

Abstract: Abstract Pressure management is one of the most significant water demand management methods to reduce leakage in water distribution networks. Leak as an adverse event is directly related to the pressure. Therefore, reducing extra network pressure decreases leakage in water distribution networks. The pressure reducing valves have some disadvantage. For example, they break down quickly. Therefore, in this study, a novel system named Pressure Reducing Flexible Storage (PRFS) was introduced that hasn’t these disadvantages and it could consider a good alternative for pressure reducing valves in water distribution networks. In this system, a spherical tank containing a flexible rubber cover was installed at the network node. By increasing the pressure in the conjunction, the foam was compressed and reduced the pressure. In this study, the presented system was simultaneously modeled by using Flow-3D and ABAQUS softwares, and pressure decrement was estimated in the conjunction. The results show that the proposed system can decrease the pressure in the conjunctions of water distribution network by about 18%. Therefore, it could be considered as a good alternative for pressure reducing valves in water distribution networks.

Keywords: Water distribution networks; Pressure management; Flexible conjunction system; Flexible rubber (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s11269-017-1749-8

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