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Title: Predicting Vertical Distribution of Sediment Concentrations in Uniform Open Channel Flows
Authors: Terfous, Abdelali
Sabat, Mira 
Ghenaim, Abdellah
Affiliations: Faculty of Arts and Sciences 
Keywords: Diffusivity coefficient
Open channel flows
Suspended sediment
Vertical concentration
Issue Date: 2022-01-28
Part of: H. Chenchouni, H.I. Chemine, M. F. Khan, B. J. Merkel, Z. Zhang, A. Kallel, N. Khelifi (Eds), New Prospects in Environmental Geosciences and Hydrogeosciences. Springer Nature Switzerland.
Start page: 417
This work presents a theoretical model for predicting the vertical distribution of suspended sediment concentrations in open channel flows. The model developed uses a new sediment diffusivity coefficient obtained by the application of the Itakura and Kishi correction method to the Kerssens sediment diffusivity profile. Based on this diffusivity coefficient, a theoretical formulation for computing sediment concentration is derived analytically, using the well-known convection–diffusion equation. We compare results from the proposed model with experimental measurements and existing theoretical models, obtained by previous researchers, in order to evaluate the applicability of the present model to predict particle concentration profiles in open channel flows. The computed values of sediment concentrations are in good agreement with the experimental data reported in the bibliography.
ISSN: 25228714
DOI: 10.1007/978-3-030-72543-3_94
Ezproxy URL: Link to full text
Type: Book Chapter
Appears in Collections:Department of Mathematics

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