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Listar por palabra clave "Air-water interface"

Mostrando ítems 1-6 de 6

Effect of a commercial air valve on the rapid filling of a single pipeline: a numerical and experimental analysis

Coronado-Hernández, Oscar E.; Besharat, Mohsen; Fuertes-Miquel, Vicente S.; Ramos, Helena M. (MDPI AG, 2019-08-31)

[EN] The filling process in water pipelines produces pressure surges caused by the compression of air pockets. In this sense, air valves should be appropriately designed to expel sufficient air to avoid pipeline failure. ...
Parámetros significativos durante los procesos de vaciado en conducciones de agua

Coronado-Hernández, O.E.; Fuertes-Miquel, V.S.; Iglesias-Rey, P.L.; Mora-Meliá, D. (Universitat Politècnica de València, 2018-07-30)

[EN] Emptying pipelines can be critical in many water pipelines because subatmospheric pressure troughs are reached due to the expansion of entrapped air, which could cause considerable damage to the system depending on ...
Rapid filling analysis with an entrapped air pocket in water pipelines using a 3D CFD model

Paternina-Verona, Duban A.; Coronado-Hernández, Oscar Enrique; Espinoza-Román, Héctor G.; Fuertes-Miquel, Vicente S.; Ramos, Helena M. (MDPI AG, 2023-03)

[EN] A filling operation generates continuous changes over the shape of an air¿water interface, which can be captured using a 3D CFD model. This research analyses the influence of different hydro-pneumatic tank pressures ...
Rigid Water Column Model for Simulating the Emptying Process in a Pipeline Using Pressurized Air

Coronado-Hernández, Oscar Enrique; Fuertes-Miquel, Vicente S.; Iglesias Rey, Pedro Luís; Martínez-Solano, F. Javier (American Society of Civil Engineers, 2018)

[EN] This paper presents a mathematical model for analyzing the emptying process in a pipeline using pressurized air. The rigid water column model (RWCM) is used to analyze the transient phenomena that occur during the ...
Simplified Mathematical Model for Computing Draining Operations in Pipelines of Undulating Profiles with Vacuum Air Valves

Coronado-Hernández, Óscar E.; Fuertes-Miquel, Vicente S.; Quiñones-Bolaños, Edgar E.; Gatica, Gustavo; Coronado-Hernández, Jairo R. (MDPI AG, 2020-09)

[EN] The draining operation involves the presence of entrapped air pockets, which are expanded during the phenomenon occurrence generating drops of sub-atmospheric pressure pulses. Vacuum air valves should inject enough ...
Transient phenomena during the emptying process of water in pressurized pipelines

Coronado Hernández, Óscar Enrique (Universitat Politècnica de València, 2020-04-04)

[ES] El análisis de los fenómenos transitorios durante las operaciones de llenado en conducciones de agua ha sido estudiado de manera detallada comparado con las maniobras de vaciado. En este último se encontró que no ...