| Issue |
E3S Web Conf.
Volume 40, 2018
River Flow 2018 - Ninth International Conference on Fluvial Hydraulics
|
|
|---|---|---|
| Article Number | 05051 | |
| Number of page(s) | 8 | |
| Section | Fluid mechanics and sediment processes | |
| DOI | https://doi.org/10.1051/e3sconf/20184005051 | |
| Published online | 05 September 2018 | |
Three-dimensional simulation of non-uniform sediment transport based on multi-phase Eulerian approach: Application to debris flow
Central Research Institute of Electric Power Industry, 1646 Abiko, Chiba 270-1194 Japan
* Corresponding author: k-ota@criepi.denken.or.jp
To simulate 3D flow of a non-uniform and highly concentrated sediment, a numerical model using a multi-phase Eulerian method for air, water, and particles of various class size is developed. This model accounts for turbulence in pore water, particle-particle collisions, and enduring friction. To test its performance, simulations were performed for large scale debris-flow experiments. The numerical model reproduces successfully the flow property and sediment size segregation of the debris flow.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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