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Analysis of Sub-Atmospheric Pressures during Emptying of an Irregular Pipeline without an Air Valve Using a 2D CFD Model

Article

# 2D CFD Modeling of Rapid Water Filling with Air Valves Using OpenFOAM

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Canal de Experiencias de Arquitectura Naval CEAN, Faculty of Engineering, Universidad de Buenos Aires, Buenos Aires C1063ACV, Argentina
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Grupo INMEDIT S.A.S., Facultad de Ingeniería, Universidad de Cartagena, Cartagena 130001, Colombia
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Departamento de Ingeniería Hidráulica y Medio Ambiente, Universitat Politècnica de València, 46022 Valencia, Spain
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Author to whom correspondence should be addressed.
Water 2021, 13(21), 3104; https://doi.org/10.3390/w13213104
Received: 1 October 2021 / Revised: 25 October 2021 / Accepted: 31 October 2021 / Published: 4 November 2021
(This article belongs to the Special Issue Hydraulic Transients in Water Distribution Systems)
The rapid filling process in pressurized pipelines has been extensively studied using mathematical models. On the other hand, the application of computational fluid dynamics models has emerged during the last decade, which considers the development of CFD models that simulate the filling of pipes with entrapped air, and without air expulsion. Currently, studies of CFD models representing rapid filling in pipes with entrapped air and with air expulsion are scarce in the literature. In this paper, a two-dimensional model is developed using OpenFOAM software to evaluate the hydraulic performance of the rapid filling process in a hydraulic installation with an air valve, considering different air pocket sizes and pressure impulsion by means of a hydro-pneumatic tank. The two-dimensional CFD model captures the pressure evolution in the air pocket very well with respect to experimental and mathematical model results, and produces improved results with respect to existing mathematical models. View Full-Text
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MDPI and ACS Style

Aguirre-Mendoza, A.M.; Oyuela, S.; Espinoza-Román, H.G.; Coronado-Hernández, O.E.; Fuertes-Miquel, V.S.; Paternina-Verona, D.A. 2D CFD Modeling of Rapid Water Filling with Air Valves Using OpenFOAM. Water 2021, 13, 3104. https://doi.org/10.3390/w13213104

AMA Style

Aguirre-Mendoza AM, Oyuela S, Espinoza-Román HG, Coronado-Hernández OE, Fuertes-Miquel VS, Paternina-Verona DA. 2D CFD Modeling of Rapid Water Filling with Air Valves Using OpenFOAM. Water. 2021; 13(21):3104. https://doi.org/10.3390/w13213104

Chicago/Turabian Style

Aguirre-Mendoza, Andres M., Sebastián Oyuela, Héctor G. Espinoza-Román, Oscar E. Coronado-Hernández, Vicente S. Fuertes-Miquel, and Duban A. Paternina-Verona. 2021. "2D CFD Modeling of Rapid Water Filling with Air Valves Using OpenFOAM" Water 13, no. 21: 3104. https://doi.org/10.3390/w13213104

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