Lock-release gravity currents propagating over roughness elements

MR Maggi, C Adduce, ME Negretti - Environmental Fluid Mechanics, 2022 - Springer
The influence of bottom roughness on the development of lock-release gravity currents is
investigated through laboratory experiments using Particle Image Velocimetry. The bottom …

Turbulence characteristics and mixing properties of gravity currents over complex topography

MR Maggi, ME Negretti, EJ Hopfinger, C Adduce - Physics of Fluids, 2023 - pubs.aip.org
Understanding gravity currents developing on complex topography, which involve
turbulence and mixing processes on a wide range of spatial and temporal scales, is of …

Gravity currents interacting with slopes and overhangs

MR Maggi, C Adduce, GF Lane-Serff - Advances in Water Resources, 2023 - Elsevier
When a gravity current interacts with a barrier the flow is reflected back in the form of a
moving hydraulic jump or bore. This latter phenomenon has important implications for …

Gravity currents interacting with a bottom triangular obstacle and implications on entrainment

MC De Falco, C Adduce, MR Maggi - Advances in Water Resources, 2021 - Elsevier
Laboratory experiments investigating the interaction of a lock-exchange dense gravity
current and a submerged obstacle with a triangular section have been conducted to …

Non-intrusive density measurements in gravity currents interacting with an obstacle

C Adduce, MR Maggi, MC De Falco - Acta Geophysica, 2022 - Springer
Gravity currents are flows produced by a density difference between two fluids. Non-intrusive
density measurements, based on image analysis, are employed to measure the …

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 …

Intruding gravity currents and re-circulation in a rotating frame: Laboratory experiments

ME Negretti, FL Tucciarone, A Wirth - Physics of Fluids, 2021 - pubs.aip.org
We present experimental results of rotating downslope gravity currents performed at the
Coriolis Platform in Grenoble, France. A novel experimental design to produce the …

Coherent structures, turbulence intermittency, and anisotropy of gravity currents propagating on a rough and porous bed

D Han, Y Guo, P Jiao, Y Yuan, YT Lin, Z He - Physics of Fluids, 2023 - pubs.aip.org
This study experimentally investigated the impacts of rough and porous (RP) bed and
sedimentation processes on the coherent structures, turbulence intermittency, and …

Numerical experiments of partial-depth colliding gravity currents using LES

A Kokkinos, P Prinos - Environmental Fluid Mechanics, 2022 - Springer
The collision of two opposing, horizontal gravity currents is investigated numerically using
Large Eddy Simulation (LES). The classical lock-exchange configuration is considered for …