Chung, S;
Luo, Q;
Stubbs, A;
Stoesser, T;
(2025)
On the effect of a free-surface on the friction factor of rough-bed open-channel flows.
In: Carnacina, Iacopo and Abdellatif, Mawada and Andredaki, Manolia and Cooper, James and Lumbroso, Darren and Ruiz-Villanueva, Virginia, (eds.)
Proceedings of the 12th International Conference on Fluvial Hydraulics, River Flow 2024.
(pp. pp. 348-352).
CRC Press: London, UK.
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Abstract
In this extended abstract, the results of four high-Froude number open-channel flows over a rough bed are presented, with the goal of quantifying the effect of a free surface (i.e., allowing the water surface to deform freely) on the friction factor of these flows. Therefore, four highly-resolved large-eddy simulations are performed, two with a rigid lid boundary condition at the water surface and two with the level set method, which allows water surface movement. Simulations range from a roughness Reynolds number of
| Type: | Proceedings paper |
|---|---|
| Title: | On the effect of a free-surface on the friction factor of rough-bed open-channel flows |
| Event: | River Flow 2024 - 12th International Conference on Fluvial Hydraulics |
| ISBN-13: | 9781003475378 |
| DOI: | 10.1201/9781003475378-52 |
| Publisher version: | https://doi.org/10.1201/9781003475378 |
| Language: | English |
| Additional information: | This version is the author-accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10211373 |
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