Two-and three-dimensional direct numerical simulation of particle-laden gravity currents

LFR Espath, LC Pinto, S Laizet, JH Silvestrini - Computers & geosciences, 2014 - Elsevier
In this numerical study, we are interested in the prediction of a mono-disperse dilute
suspension particle-laden flow in the typical lock-exchange configuration. The main …

High-resolution simulations of particle-driven gravity currents

F Necker, C Härtel, L Kleiser, E Meiburg - International Journal of …, 2002 - Elsevier
High-resolution simulations are presented of particle-driven gravity currents in the lock-
exchange configuration. The study concentrates on dilute flows with small density …

[HTML][HTML] Direct numerical simulation of bi-disperse particle-laden gravity currents in the channel configuration

EP Francisco, LFR Espath, JH Silvestrini - Applied Mathematical Modelling, 2017 - Elsevier
We present a numerical investigation of bi-disperse particle-laden gravity currents in the lock-
exchange configuration. Previous results, based on numerical simulation and laboratory …

[HTML][HTML] Reynolds number and settling velocity influence for finite-release particle-laden gravity currents in a basin

EP Francisco, LFR Espath, S Laizet… - Computers & …, 2018 - Elsevier
Three-dimensional highly resolved Direct Numerical Simulations (DNS) of particle-laden
gravity currents are presented for the lock-exchange problem in an original basin …

Mixing and dissipation in particle-driven gravity currents

F Necker, C Härtel, L Kleiser, E Meiburg - Journal of Fluid Mechanics, 2005 - cambridge.org
Results are presented from a high-resolution computational study of particle-driven gravity
currents in a plane channel. The investigation was conducted in order to obtain better insight …

High-fidelity simulations of the lobe-and-cleft structures and the deposition map in particle-driven gravity currents

LFR Espath, LC Pinto, S Laizet, JH Silvestrini - Physics of Fluids, 2015 - pubs.aip.org
The evolution of a mono-disperse gravity current in the lock-exchange configuration is
investigated by means of direct numerical simulations for various Reynolds numbers and …

Sedimentation from binary suspensions in a turbulent gravity current along a V-shaped valley

CA Mériaux, CB Kurz-Besson - Journal of Fluid Mechanics, 2012 - cambridge.org
We present a study of bidispersed particulate gravity currents at high Reynolds numbers
flowing along a V-shaped valley. The speed and width of the currents, the mass deposited …

Particle-driven gravity currents

RT Bonnecaze, HE Huppert, JR Lister - Journal of Fluid Mechanics, 1993 - cambridge.org
Gravity currents created by the release of a fixed volume of a suspension into a lighter
ambient fluid are studied theoretically and experimentally. The greater density of the current …

Polydisperse particle-driven gravity currents

TC Harris, AJ Hogg, HE Huppert - Journal of Fluid Mechanics, 2002 - cambridge.org
The intrusion of a polydisperse suspension of particles over a horizontal, rigid boundary is
investigated theoretically using both an integral ('box') model and the shallow-water …

Particle-laden gravity currents interacting with stratified ambient water using direct numerical simulations

Z He, L Zhao, J Chen, CH Yu, E Meiburg - Environmental Earth Sciences, 2021 - Springer
Particle-laden gravity currents propagating in stratified environments, such as turbidity
currents induced by floods in estuaries or triggered by landslides in oceans, are important …