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Effective Void Ratio and Rack Length Definition by Experimental Measurements of Flow with Gravel Size Sediment Through Bottom Racks

Author(s): Luis G. Castillo; Juan T. García; José M. Carrillo

Linked Author(s): José M. Carrillo, Luis G. Castillo Elsitdié

Keywords: Bottom intake systems; Racks; Gravels; CFD

Abstract: This work is focused on the study of bottom rack intake systems located in ephemeral and torrential streams. Clear water, and water with gravel sediments have been analyzed. Different tests have been carried out to quantify the influence of the solids passing through the racks. The wetted rack lengths and the efficiency of racks are studied. The clear water has been also modeled with computational fluid dynamics, and compared with the measured obtained at Universidad Politécnica de Cartagena. Experimental and numerical studies that characterize both, the clear water and the influence of solid load in the operation of the bottom racks, will allow us to improve the existing design criteria.


Year: 2015

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