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NUMERICAL INVESTIGATION OF ENERGY DISSIPATION USING MACRO ROUGHNESS ELEMENTS IN A STILLING BASIN
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Thesis ODTU-2-r10-mk-editfinal-v4.pdf
Date
2023-12
Author
Uluyurt, Oğuzhan
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Stilling basins are often designed using typical types which are suggested by US Bureau of Reclamation (1987). However, in practice there are cases where these typical designs do not dissipate the required amount of energy or produce long hydraulic jumps. In this study, cubic macro roughness elements with different sizes were tested numerically at different chute channel slopes. Relationship between the flow properties and the hydraulic jump length for different macro roughness elements is investigated. Three dimensional numerical simulations using Flow 3D software were run to obtain these relationships. As a result of the studies, the increase in the size of the cubic roughness elements decreased the hydraulic jump length and with cubic roughness elements, shorter hydraulic jump lengths are observed with respect to US Design.
Subject Keywords
Chute Channel, Cubic Macro Roughness Elements, Hydraulic Jump Length, Stilling Basin
URI
https://hdl.handle.net/11511/107753
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Graduate School of Natural and Applied Sciences, Thesis
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O. Uluyurt, “NUMERICAL INVESTIGATION OF ENERGY DISSIPATION USING MACRO ROUGHNESS ELEMENTS IN A STILLING BASIN,” M.S. - Master of Science, Middle East Technical University, 2023.