Hydraulics & Waterways

Oral

397702 - HYDRODYNAMIC ANALYSIS OF HIGHLY CONVERGENT SPILLWAYS

Monday, June 4
4:00 PM - 5:30 PM
Location: Regency Room
Co-Authors: Christian Frias, USA – Barr Engineering; León Morera, Spain – Serpa; Javier Caballero, Madrid – Technical University of Madrid; Rafaél Morán, Madrid – Technical University of Madrid; Miguel Ángel Toledo, Madrid – Technical University of Madrid

Many of the Spanish dams are still in the process of adapting in the new design criteria of the Technical Regulation on Dams and Reservoir’s Safety from 1996, because of the expansion of the existing spillway is very expensive or involves technical difficulties. For that reason, over the years, new typologies of spillways have been developed to satisfy the proposed requirements. One of these innovative solutions are the spillways with highly convergent sidewalls. The following research is focused on the study of concrete gravity dams with highly convergent sidewalls that drive the flow into the basin. In order to obtain data, exhaustive tests have been carried out on physical models developed in the UPM as well as measurements of velocity, water levels and pressures. Then, the results obtained by Computational Fluid Dynamics were analyzed for different arrangements, which provide results for their design, overload considerations, stresses generated on the basin’s sidewalls and its designed dimensions. In addition, this study gives an overview of the generated energy dissipation and the current patterns around the spillways.

Yoch Ponte, Eng.

Research Assistant
National University of San Marcos

Yoch Ponte is a graduate in Fluid Mechanical Engineering from UNMSM. His areas of expertise include dam design and surface-water modelling, Computational Fluid Dynamics (CFD), hydrological programming and hydraulic design. Yoch works as research assistant at CITBM - UNMSM, CITA -UTEC and Dam Safety Research Center, Spain, He also has experience as consultant at Poyry and Arcadis in the energy sector.

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