Collapse of submerged sand columns: the role of the grain diameter and the fluid viscosity
(2022) 37th International Conference on Coastal Engineering — Location: Sydeny Australia (4.December.2022)
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- Abstract
- Granular media are omnipresent in geophysical phenomena, such as landslides and debris flows. Most of these events involve the sudden release of a large quantity of granular material and can potentially lead to disastrous outcomes for population, infrastructures or ecosystems. These considerations are also relevant in the framework of sediment transport in coastal and fluvial environments. As a consequence, they have been the subject of extensive research for the past decades. In our study, we focus on an archetypal type of granular flows at laboratory scale, namely the collapse of submerged sand columns under their own weight. More specifically, we investigate the role of the grain diameter and fluid viscosity, and their influence on fundamental parameters such as the shape of the deposit, the final height, the runout distance,
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Riffard, A., & Papalexandris, M. (2022). Collapse of submerged sand columns: the role of the grain diameter and the fluid viscosity. Proceedings of the 37th International Conference on Coastal Engineering. Accepted/in-press. 37th International Conference on Coastal Engineering, Sydeny Australia. https://hdl.handle.net/2078.5/224942