| Issue |
E3S Web of Conf.
Volume 415, 2023
8th International Conference on Debris Flow Hazard Mitigation (DFHM8)
|
|
|---|---|---|
| Article Number | 02023 | |
| Number of page(s) | 3 | |
| Section | Experiments and Modeling | |
| DOI | https://doi.org/10.1051/e3sconf/202341502023 | |
| Published online | 18 August 2023 | |
Experiments on and numerical calculations of debris flows passing through narrowed and widened channel regions
1 Division of Environmental Sciences, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, Kyoto 606-8522, Japan
2 River Division, Hokuriku Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism, 1-1-1 Misaki-cho, Chuo-ku, Niigata 950-8801, Japan
* Corresponding author: jtaka@kpu.ac.jp
We clarified the dynamics of debris flows in areas wherein the topography changes abruptly. First, the dynamics of debris flow through a constriction were investigated by experimentally generating non-uniform flow conditions. Then, numerical calculations were performed using an erosion/deposition rate equation that considers the pressure gradient in a constriction, and compared with the experimental data.
© The Authors, published by EDP Sciences, 2023
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