Propagation, mixing, and turbulence characteristics of saline and turbidity currents over rough and permeable/impermeable beds

Z He, D Han, YT Lin, R Zhu, Y Yuan, P Jiao - Physics of Fluids, 2022 - pubs.aip.org
A series of constant-flux saline and turbidity current experiments were carried out, focusing
on the coupling impact of bed roughness and permeability on current propagation, mixing …

[HTML][HTML] Dynamics of wave-supported gravity currents in intermediate water

M Marino, M Stagnitti, LM Stancanelli… - Continental Shelf …, 2023 - Elsevier
The dynamics of gravity currents propagating beneath intermediate water waves is
investigated in the present study. Laboratory experiments were carried out in a wave flume …

Investigation of asymmetric gravity current collision with LES

A Kokkinos, P Prinos - Journal of Hydraulic Research, 2023 - Taylor & Francis
This study presents LES results of two colliding gravity currents, with different densities
and/or heights, in a half-depth lock-exchange set-up. The dynamical features of collision for …

Laboratory investigation of the plume-to-plume interaction in a rotating tank

H Song, Y Yuan, YT Lin, Y Wang, J Song - Physics of Fluids, 2023 - pubs.aip.org
This paper aims to understand the characteristics and dynamical processes of two rotating
buoyant fluids (two adjacent river plumes) under ideal geostrophic conditions and further …

Predicting the vertical density structure of oceanic gravity current intrusions

S Rétif, ME Negretti, A Wirth - Scientific Reports, 2024 - nature.com
Understanding the dynamics and structures in the deep ocean is one of the remaining
challenges in oceanography and climate sciences. We present results from large-scale …

[HTML][HTML] Inexpensive multi-plane particle image velocimetry based on defocusing: Proof of concept on two-component measurement

Q He, C Willman, R Stone, BAO Williams - Physics of Fluids, 2023 - pubs.aip.org
This paper presents a method for simultaneous particle image velocimetry (PIV) on parallel
planes offset in depth. The method places images from two planes onto a different half of a …

Dynamics of intrusion in downslope gravity currents in a rotating frame

A Tassigny, ME Negretti, A Wirth - Physical Review Fluids, 2024 - APS
Gravity currents are ubiquitous in polar regions and marginal seas and play a crucial role in
the formation of deep waters in the ocean. They contribute to the vorticity and energy …

Experimental study of the lock-release gravity current propagates on a rough upslope

J Ji, D Han, Y Yuan, YT Lin, Z He - Environmental Fluid Mechanics, 2024 - Springer
In this paper, the simultaneous effects of boundary roughness and upslope on lock-release
gravity currents were investigated by laboratory experiments, focusing on current …

Investigation of particle laden gravity currents using the light attenuation technique

J Schneider, Y Dossmann, O Farges, M Régnier… - Experiments in …, 2023 - Springer
An extensional use of the light attenuation technique is described to study the dynamics of
particle laden flows. The method is validated against an analytical absorption/scattering …

On the spinup and spreadout of a Cartesian gravity current on a slope in a rotating system

M Ungarish - Journal of Fluid Mechanics, 2022 - cambridge.org
Ocean gravity currents flow along the inclined ocean floor for long times compared to the
planet's rotation period. Their shape and motion is governed by the gravity buoyancy …