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Jesus Mora-Rodriguez, P. Amparo López-Jimenez, Helena M. Ramos (2011)
Publisher: International Energy and Environment Foundation (IEEF)
Journal: International Journal of Energy and Environment
Languages: English
Types: Article
Subjects: TA1-2040, Transient pressure, Experimental model, CFD model, Leaks, Water pollution, TA170-171, T, DOAJ:Technology and Engineering, Environmental engineering, Engineering (General). Civil engineering (General), Technology, DOAJ:Environmental Engineering

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mesheuropmc: education
Intrusion through leaks occurrence is a phenomenon when external fluid comes into water pipe systems. This phenomenon can cause contamination problems in drinking pipe systems. Hence, this paper focuses on the entry of external fluids across small leaks during normal operation conditions. This situation is especially important in elevated points of the pipe profile. Pressure variations can origin water volume losses and intrusion of contaminants into the drinking water pipes. This work focuses in obtaining up the physical representation on a specific case intrusion in a pipe water system. The combination of two factors is required to generate this kind of intrusion in a water supply system: on one hand the existence of at least a leak in the system; on the other hand, a pressure variation could occur during the operation of the system due to consumption variation, pump start-up or shutdown. The potential of intrusion during a dynamic or transient event is here analyzed. To obtain this objective an experimental case study of pressure transient scenario is analyzed with a small leak located nearby the transient source.
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