Numerical modelling of the bottom gravity current in an obstructed channel with trapezoidal cross-section

Janek Laanearu, Katrin Kaur, Daniela Malcangio, Alan Cuthbertson, Claudia Adduce, Maria Chiara De Falco, Eletta Negretti, Joel Sommeria

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Abstract

The dynamics of bottom gravity currents in a laboratory-scale, stratified-flow flume is modelled using a 3D CFD tool. Also, the dense-water intrusion along a channel with a trapezoidal cross-section is characterized hydraulically. The numerical experiments are designed to aid qualitative interpretation of the formation of density-driven, bi-directional stratified flows. The turbulence characteristics of the stratified flow are introduced to investigate the internal-flow hydraulic regimes and the interface mixing between water layers.
Original languageEnglish
Publication statusAccepted/In press - Feb 2020
Event6th IAHR Europe Congress: No Frames No Borders - Warsaw, Poland
Duration: 15 Feb 202118 Feb 2021
https://iahr2020.pl/

Conference

Conference6th IAHR Europe Congress
CountryPoland
CityWarsaw
Period15/02/2118/02/21
Internet address

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    Laanearu, J., Kaur, K., Malcangio, D., Cuthbertson, A., Adduce, C., De Falco, M. C., Negretti, E., & Sommeria, J. (Accepted/In press). Numerical modelling of the bottom gravity current in an obstructed channel with trapezoidal cross-section. Abstract from 6th IAHR Europe Congress, Warsaw, Poland.