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The dynamic behaviour of air valves is still, to date, not very well known and, despite numerous scientific contributions, a standard approach for their dimensioning is yet to be found. Several analytical and experimental laboratory studies have been conducted for rapid pressurizing of entrapped...
This study proposes a method for the identification of the spatial distribution of water losses in water distribution networks through the use of pressure head measurements. The proper identification of areas most prone to water losses reduces the costs associated with acoustic surveys both in...
The paper proposes a new methodology for analysing and computing the overall performance of water distribution system. The methodology is based on a hierarchical system approach that begins by evaluating a set of three complementary performance indicators, namely, reliability, resiliency, and...
The results of an experimental analysis are provided concerning the hydraulic behaviour of a vertical drop shaft with a sharp-edged circular intake, also taking into account a peculiar venting system consisting of a coaxial vertical pipe, projecting within the drop shaft with different plunging...
Sideweirs are hydraulic structures commonly used in combined sewer systems for separating excess storm water from urban sewage. In the case of low-crested sideweirs, the design is difficult because supercritical flows may establish along the overflow reach. This can lead to transcritical...
The saltwater intrusion in the estuary of the Adige River has been investigated by a two-dimensional finite volume shock-capturing model. Owing to the relative small tide range characterizing the river mouth, a sharply stratified salt wedge tends to form during low discharge periods (e.g. in...
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