Ramezani, Sana et Chu, Vincent H..
2025.
« OpenFOAM simulation of the gravity current front in submergence on an incline ».
In Proceedings of the CSME-CFDSC-CSR 2025 International Congress (Montreal, QC, Canada, May 25-28, 2025)
Coll. « Progress in Canadian Mechanical Engineering », vol. 8.
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Résumé
Using a well-calibrated OpenFOAM source code, we conducted a large-eddy simulation (LES) to study the gravity current front produced by a continuous buoyancy source in submergence on an inclined. The LES provides the turbulent velocity and vorticity structures of the current. At the leading edge of the current is a gravity current head developing from the Kelvin-Helmholtz instability. The most significant current occurs at the back of the current head through the neck -- which connects the head to the body of the trailing current. We relate the flow through the neck and the turbulent structure of the current head to the buoyancy flux and the slope of the incline. The front velocity obtained from the simulations agrees with the laboratory observation. The current velocity through the neck, not ever measured in the laboratory, is determined from the LES to be 1.94 and 2.22 times greater than the frontal speed for the inline slope angle of 5$^{\circ▯$ and 10$^{\circ▯$, respectively.
| Type de document: | Compte rendu de conférence |
|---|---|
| Éditeurs: | Éditeurs ORCID Hof, Lucas A. NON SPÉCIFIÉ Di Labbio, Giuseppe NON SPÉCIFIÉ Tahan, Antoine NON SPÉCIFIÉ Sanjosé, Marlène NON SPÉCIFIÉ Lalonde, Sébastien NON SPÉCIFIÉ Demarquette, Nicole R. NON SPÉCIFIÉ |
| Date de dépôt: | 18 déc. 2025 15:18 |
| Dernière modification: | 18 déc. 2025 15:18 |
| URI: | https://espace2.etsmtl.ca/id/eprint/32482 |
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