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A one-dimensional two-phase flow approach for sedimentation-consolidation modelling

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Abstract

A two-phase flow model for sedimentation-consolidation process is presented. The model is based on solving the continuity and momentum equations for both fluid and solid phases. Darcy-Gersevanov’s law is used for the closure of the momentum transfer between the two phases and the concept of "effective stress" is introduced to account for the bed structuring. These closure laws are validated against high resolution experimental data in terms of settling curves and concentration profiles. The good agreement obtained between numerical results and experimental data shows the predictive capability of the two-phase model.

Dates and versions

hal-02156770 , version 1 (14-06-2019)

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Julien Chauchat, Sylvain Guillou, Damien Pham van Bang, Kim Dan Nguyen. A one-dimensional two-phase flow approach for sedimentation-consolidation modelling. Journées Nationales Génie Côtier - Génie Civil, Jun 2012, Cherbourg, France. pp.249-256, ⟨10.5150/jngcgc.2012.025-c⟩. ⟨hal-02156770⟩
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