[HTML][HTML] Control of ambient fluid on turbidity current evolution: Mechanisms, feedbacks and influencing factors

X Liu, J Sun, Y Lu, X Guo - Geosystems and Geoenvironment, 2023 - Elsevier
Turbidity currents are important ocean dynamic processes that influence sediment transport,
ocean engineering, and marine environments. As a turbidity current evolves, its macroscopic …

A comprehensive review of plume source detection using unmanned vehicles for environmental sensing

T Lewis, K Bhaganagar - Science of the Total Environment, 2021 - Elsevier
Local meteorological conditions including wind speed and turbulence significantly influence
the dispersion of pollutant plumes, introducing severe difficulties in predicting its trajectory …

Injection of a heavy fluid into a light fluid in a closed-end pipe

S Akbari, SM Taghavi - Physics of Fluids, 2020 - pubs.aip.org
We report experimental results on the injection of a heavy fluid into a light one in a closed-
end pipe, inclined at intermediate angles. The injection of the heavy fluid is made using an …

Statistical characterisation of turbulence for an unsteady gravity current

J Pelmard, S Norris, H Friedrich - Journal of Fluid Mechanics, 2020 - cambridge.org
The present study aims to provide a statistical analysis of turbulence in the mixing layer of a
lock-exchange gravity current propagating over a 2% slope based on large eddy simulation …

[HTML][HTML] The effect of Schmidt number on gravity current flows: The formation of large-scale three-dimensional structures

CR Marshall, RM Dorrell, S Dutta, GM Keevil… - Physics of …, 2021 - pubs.aip.org
The Schmidt number, defined as the ratio of scalar to momentum diffusivity, varies by
multiple orders of magnitude in real-world flows, with large differences in scalar diffusivity …

Lock-exchange release density currents over three-dimensional regular roughness elements

K Bhaganagar, NR Pillalamarri - Journal of fluid mechanics, 2017 - cambridge.org
A fundamental study has been conducted to understand the front characteristics and the
mixing in the flow of density currents over rough surfaces. A large-eddy simulation (LES) has …

Three-dimensional structure of cold-water gravity currents

N Castro-Folker, AP Grace, M Stastna - Physical Review Fluids, 2023 - APS
Counterintuitively, fresh water attains a maximum density at a temperature above its freezing
point. As a result, it exhibits a phenomenon known as weak cabbeling. If a system is in the …

Numerical investigation of starting turbulent buoyant plumes released in neutral atmosphere

K Bhaganagar, SR Bhimireddy - Journal of Fluid Mechanics, 2020 - cambridge.org
A fundamental study has been conducted to understand the mean and turbulence
characteristics and their role in mixing processes of starting turbulent plumes initiated by a …

Separation of particle-laden gravity currents down a slope in linearly stratified environments

Z He, L Zhao, R Zhu, P Hu - Physics of Fluids, 2019 - pubs.aip.org
Particle-laden gravity currents down a slope in stratified fluid are important processes in
lake, estuary, and ocean environments. By conducting direct numerical simulations, this …

Flow structure of unconfined turbidity currents interacting with an obstacle

RI Wilson, H Friedrich, C Stevens - Environmental Fluid Mechanics, 2018 - Springer
Driven by a growing importance to engineered structures, investigating the flow
characteristics of turbidity currents interacting with a basal obstruction has become popular …