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Numerical Approach to Improve Flushing Efficiency by a Dynamic Morphological Model

Abstract : The process of sediment flushing is simulated by a 3D numerical model in which sediment and flow interaction are reflected in the reservoirs. RANS equations are solved numerically by finite volume with a k-ε turbulence model. The convection-diffusion equation for the sediment concentration is solved. The Van-Rijn’s reference level concentration equation is adopted as a boundary condition. Bed changes are obtained by application of sediment continuity equation. The numerical results show that the flushing efficiency is related to the outflow discharge, initial conditions of water level and number and location of the bottom outlets.
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https://hal-univ-artois.archives-ouvertes.fr/hal-03527904
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Submitted on : Sunday, January 16, 2022 - 10:20:06 PM
Last modification on : Tuesday, July 19, 2022 - 11:47:00 AM

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S. Ghoreishi, H. Naji, M. Tabatabai, G. Mompean. Numerical Approach to Improve Flushing Efficiency by a Dynamic Morphological Model. ASME 2008 Pressure Vessels and Piping Conference, Jul 2008, Chicago, United States. pp.385-389, ⟨10.1115/PVP2008-61281⟩. ⟨hal-03527904⟩

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