Experimental Evidence of Leaks in Elastic Pipes

Vincenza Notaro, Chiara Maria Fontanazza, Valeria Puleo, Gabriele Freni, Chiara M. Fontanazza, Mauro De Marchis, Gabriele Freni, Mauro De Marchis

Risultato della ricerca: Article

19 Citazioni (Scopus)

Abstract

Several studies have been carried out in recent decades to establish a relationship between total head and leaks. In literature, the leakage governing equations have been analysed in light of pipe materials, water head, leak dimension or shape. Most of these contributions questioned the classical Torricelli equation, demonstrating through experimental evidence that the classical orifice law can give unsatisfactory results. Nevertheless, starting from the Torricelli equation, other exponential or linear governing equations have been proposed as mathematical models able to reproduce the leakages in water distribution systems (WDSs). To investigate the validity of the proposed governing equations, an experimental campaign was carried out by means of a water distribution network composed of approximately 500 m of polyethylene pipes. The experiments were designed to investigate the effects of leak area and pipe rigidity on discharge. Furthermore, the effect of leak size enlargement with water head was analysed. Finally, the proposed research contributes to the population of a database for estimating the coefficients of head-discharge relationships.
Lingua originaleEnglish
pagine (da-a)2005-2019
Numero di pagine15
RivistaWater Resources Management
Volume30
Stato di pubblicazionePublished - 2016

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Water Science and Technology

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    Notaro, V., Fontanazza, C. M., Puleo, V., Freni, G., Fontanazza, C. M., De Marchis, M., Freni, G., & De Marchis, M. (2016). Experimental Evidence of Leaks in Elastic Pipes. Water Resources Management, 30, 2005-2019.