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Predicting Vertical Distribution of Sediment Concentrations in Uniform Open Channel Flows

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New Prospects in Environmental Geosciences and Hydrogeosciences (CAJG 2019)

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Abstract

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.

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Author information

Authors and Affiliations

  1. INSA Strasbourg, Icube Laboratory, Strasbourg, France

    Abdelali Terfous & Abdellah Ghenaim

  2. University of Balamand, Faculty of Sciences, Department of Mathematics, El-Koura, Lebanon

    Mira Sabat

Authors
  1. Abdelali Terfous
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  2. Mira Sabat
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  3. Abdellah Ghenaim
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Corresponding author

Correspondence to Abdelali Terfous .

Editor information

Editors and Affiliations

  1. Department of Forest Management, Higher National School of Forests, Khenchela, Algeria

    Haroun Chenchouni

  2. Lab of Cartography and Applied Geology, School of Engineering, Instituto Superior de Engenharia do Porto (ISEP), Polytechnic of Porto, Porto, Portugal

    Helder I. Chaminé

  3. Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia

    Md Firoz Khan

  4. Department for Geology, TU Bergakademie Freiberg, Freiberg, Sachsen, Germany

    Broder J. Merkel

  5. Shandong University, Jinan, China

    Zhihua Zhang

  6. School of Water and Environment, Chang’an University, Xi’an, China

    Peiyue Li

  7. Laboratory of Water, Energy and Environment (Lab 3E), National Engineering School of Sfax (ENIS), University of Sfax, Sfax, Tunisia

    Amjad Kallel

  8. Springer, a part of Springer Nature, Heidelberg, Germany

    Nabil Khélifi

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Terfous, A., Sabat, M., Ghenaim, A. (2022). Predicting Vertical Distribution of Sediment Concentrations in Uniform Open Channel Flows. In: Chenchouni, H., et al. New Prospects in Environmental Geosciences and Hydrogeosciences. CAJG 2019. Advances in Science, Technology & Innovation. Springer, Cham. https://doi.org/10.1007/978-3-030-72543-3_94

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