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Listar por palabra clave "Hydraulic jump"

Mostrando ítems 1-13 de 13

Analysis of the Flow in a Typified USBR II Stilling Basin through a Numerical and Physical Modeling Approach

Macián Pérez, Juan Francisco; García-Bartual, Rafael; Huber, Boris; Bayón, Arnau; Vallés-Morán, F. J. (MDPI AG, 2020-01)

[EN] Adaptation of stilling basins to higher discharges than those considered for their design implies deep knowledge of the flow developed in these structures. To this end, the hydraulic jump occurring in a typified United ...
Assessment of the Performance of a Modified USBR Type II Stilling Basin by a Validated CFD Model

Macián-Pérez, Juan Francisco; Vallés-Morán, F. J.; García-Bartual, Rafael (American Society of Civil Engineers, 2021-11-01)

[EN] The adaptation of existing dams is of paramount importance to face the challenge posed by climate change and new legal frameworks. Thus, it is crucial to optimize the design of stilling basins to reduce the hydraulic ...
Characterization of Structural Properties in High Reynolds Hydraulic Jump Based on CFD and Physical Modeling Approaches

Macián Pérez, Juan Francisco; Bayón, Arnau; García-Bartual, Rafael; López Jiménez, Petra Amparo; Vallés-Morán, F. J. (American Society of Civil Engineers, 2020-12-01)

[EN] A classical hydraulic jump with Froude number (Fr1=6) and Reynolds number (Re1=210,000) was characterized using the computational fluid dynamics (CFD) codes OpenFOAM and FLOW-3D, whose performance was assessed. The ...
Defining and Mitigating Flow Instabilities in Open Channels Subjected to Hydropower Operation: Formulations and Experiments

Tavares, Miguel; Pérez-Sánchez, Modesto; Coronado-Hernández, Oscar E.; Kuriqui, Alban; Ramos, Helena M. (MDPI AG, 2024-10-26)

[EN] A thorough literature review was conducted on the effects of free surface oscillation in open channels, highlighting the risks of the occurrence of positive and negative surge waves that can lead to overtopping. ...
Estudio de soluciones para la generación de energía hidroeléctrica en la presa de Tous situada en el río Júcar entre los municipios de Tous y Millares (provincia de Valencia). Central del canal Júcar-Turia

Sifres Pelegero, Neus (Universitat Politècnica de València, 2018-07-11)

[ES] En el presente trabajo se realiza el estudio de soluciones para la generación de energía hidroeléctrica en la presa de Tous (provincia de Valencia). Una solución será la implantación de la central hidroeléctrica según ...
Estudio de soluciones para la generación de energía hidroeléctrica en la presa de Tous situada en el río Júcar entre los municipios de Tous y Millares (provincia de Valencia). Central del rio Júcar

Torrent Gómez, Paloma (Universitat Politècnica de València, 2018-09-11)

[ES] En el presente trabajo se realiza el estudio de soluciones para la generación de energía hidroeléctrica en la presa de Tous (provincia de Valencia). Una solución será la implantación de la central hidroeléctrica según ...
Experimental Characterization of the Hydraulic Jump Profile and Velocity Distribution in a Stilling Basin Physical Model

Macián Pérez, Juan Francisco; Vallés-Morán, F. J.; Sánchez Gómez, Santiago; De-Rossi-Estrada, Marco; García-Bartual, Rafael (MDPI AG, 2020-06)

[EN] The study of the hydraulic jump developed in stilling basins is complex to a high degree due to the intense velocity and pressure fluctuations and the significant air entrainment. It is this complexity, bound to the ...
Modelación hidráulica de flujos multifase en grandes presas. Aplicación al diseño de cuencos de amortiguación

Valero Huerta, Daniel (Universitat Politècnica de València, 2015-07-03)

[EN] Numerical modelling of multiphase flows is very broad field of study, which can range from the chemical, petrochemical, thermal to hydraulic engineering. From the hydraulic point of view, sediment transport and flow ...
Numerical analysis of hydraulic jumps using OpenFOAM

Bayón Barrachina, Arnau; López Jiménez, Petra Amparo (IWA Publishing, 2015)

[EN] The present paper deals with a hydraulic jump study, characterization and numerical modeling. Hydraulic jumps constitute a common phenomenon in the hydraulics of open channels that increases the shear stress on ...
Numerical and physical modelling approaches to the study of the hydraulic jump and its application in large-dam stilling basins

Macián Pérez, Juan Francisco (Universitat Politècnica de València, 2020-09-02)

[ES] El resalto hidráulico constituye uno de los fenómenos más complejos con aplicación en el campo de la ingeniería hidráulica. Por un lado, las propias características del resalto, entre las que se encuentran las grandes ...
Numerical modeling of hydraulic jumps at negative steps to improve energy dissipation in stilling basins

Macián-Pérez, Juan Francisco; García-Bartual, Rafael; López Jiménez, Petra Amparo; Vallés-Morán, F. J. (SpringerOpen, 2023-10)

[EN] The performance of stilling basins including a negative step was analyzed addressing its effect on the energy dissipation efficiency, dimensions and structural properties of the hydraulic jump, streambed pressures and ...
Performance assessment of OpenFOAM and FLOW-3D in the numerical modeling of a low Reynolds number hydraulic jump

Bayón Barrachina, Arnau; Valero, Daniel; García Bartual, Rafael Luis; Vallés Morán, Francisco José; López Jiménez, Petra Amparo (Elsevier, 2016-06-01)

A comparative performance analysis of the CFD platforms OpenFOAM and FLOW-3D is presented, focusing on a 3D swirling turbulent flow: a steady hydraulic jump at low Reynolds number. Turbulence is treated using RANS approach ...
Resalto Hidráulico Ondulatorio

Castro-Orgaz, Oscar; Roldan Cañas, Jose; Dolz Ripolles, Jose (Universitat Politècnica de València, 2015-04-30)

[ES] La transición de régimen supercrítico a régimen subcrítico cuando el número de Froude Fo aguas arriba esta próximo a la unidad da lugar a un tren de ondas estacionario llamado resalto hidráulico ondulatorio. La ...