Characterization of two-phase flows in plunge pools
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Carrillo Sánchez, José María; Castillo Elsitdie, Luis G.; Marco Cutillas, Francisca; García Bermejo, Juan TomásÁrea de conocimiento
Ingeniería HidráulicaPatrocinadores
The authors would like to thank the Ministerio de Ciencia e Innovación of Spain and Fondos Europeos de Desarrollo Regional (FEDER), through Project BIA2011-28756-C03-02. They acknowledge the helpful comments of the anonymous reviewersFecha de publicación
2018Editorial
Utah State UniversityCita bibliográfica
CARRILLO SÁNCHEZ, José María et al. Characterization of Two-Phase Flows in Plunge Pools. En: 7th IAHR International Symposium on Hydraulic Structures, Aachen, Germany, 15-18 May. Universidad Estatal de Utah, 2018. doi: 10.15142/ T3JM1W (978-0-692-13277-7)Palabras clave
Air-water flowEnergy dissipation
Falling jets
Numerical simulations
Overtopping
Plunge pool
Resumen
The increasing magnitude of design floods has prompted re-evaluations of spillway capacity for large dams throughout the world. Current capacity of many spillways is inadequate. The overtopping creates new loading scenarios for the dam and raises questions about erosion and scour downstream from the dam. Detailed studies of overflow nappe impinging jets in plunge pools are scarce. This work addresses such situation, and compares numerical results against our own experiments. The hydraulics laboratory at the Universidad Politécnica de Cartagena has a turbulent jet experimental facility in which the energy dissipation of turbulent rectangular jets is being studied. The mobile mechanism allows researchers to vary the discharge heights between 2.20 and 3.50 m and flows from 10 to 200 l/s. To advance the understanding of the phenomenon, the kinetic energy was registered at the inlet channel and instantaneous velocity measurements in the plunge pool with Acoustic Doppler Velocimeter (ADV) ...
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