Pressure control for leakage minimisation in water distribution systems management
LS Araujo, H Ramos, ST Coelho - Water resources management, 2006 - Springer
A model to support decision systems regarding the quantification, location and opening
adjustment of control valves in a network system, with the main objective to minimise …
adjustment of control valves in a network system, with the main objective to minimise …
The dynamic effect of pipe-wall viscoelasticity in hydraulic transients. Part II—Model development, calibration and verification
Un nouveau modèle mathématique a été développé pour calculer les régimes transitoires
hydrauliques des systèmes de conduites pressurisées en polyethylene (PE). Ce modèle …
hydrauliques des systèmes de conduites pressurisées en polyethylene (PE). Ce modèle …
The dynamic effect of pipe-wall viscoelasticity in hydraulic transients. Part I—Experimental analysis and creep characterization
The mechanical behaviour of the pipe material determines the pressure response of a fluid
system during the occurrence of transient events. in viscoelastic pipes, typically made of …
system during the occurrence of transient events. in viscoelastic pipes, typically made of …
Surge damping analysis in pipe systems: Modelling and experiments
The current study focuses on the analysis of pressure surge damping in single pipeline
systems generated by a fast change of flow conditions. A dimensionless form of pressurised …
systems generated by a fast change of flow conditions. A dimensionless form of pressurised …
Analysis of PVC pipe-wall viscoelasticity during water hammer
This research work focuses on the analysis of hydraulic transients in polyvinyl chloride
(PVC) pipes, which are characterized by a viscoelastic rheological behavior. Transient …
(PVC) pipes, which are characterized by a viscoelastic rheological behavior. Transient …
Fluid transients in viscoelastic pipes via an internal variable constitutive theory
DM Andrade, FB de Freitas Rachid… - Applied Mathematical …, 2023 - Elsevier
This work presents a fluid transient model capable of handling the viscoelastic behavior of
the pipe. A previously developed quasi-2D flow model is employed as a base, and the …
the pipe. A previously developed quasi-2D flow model is employed as a base, and the …
Leak detection by inverse transient analysis in an experimental PVC pipe system
Leakage reduction in water supply systems and distribution networks has been an
increasingly important issue in the water industry since leaks and ruptures result in major …
increasingly important issue in the water industry since leaks and ruptures result in major …
Water hammer in pressurized polyethylene pipes: conceptual model and experimental analysis
This paper analyzes the dynamic effects of pipe wall viscoelasticity on hydraulic transients.
These effects have been observed in transient data collected from two polyethylene (PE) …
These effects have been observed in transient data collected from two polyethylene (PE) …
Numerical methods for hydraulic transients in visco-elastic pipes
In technical applications involving transient fluid flows in pipes, the convective terms of the
corresponding governing equations are generally negligible. Typically, under this condition …
corresponding governing equations are generally negligible. Typically, under this condition …
[HTML][HTML] Modeling transient pipe flow in plastic pipes with modified discrete bubble cavitation model
Most of today's water supply systems are based on plastic pipes. They are characterized by
the retarded strain (RS) that takes place in the walls of these pipes. The occurrence of RS …
the retarded strain (RS) that takes place in the walls of these pipes. The occurrence of RS …