Modeling gravity and turbidity currents: computational approaches and challenges

E Meiburg, S Radhakrishnan… - Applied …, 2015 - asmedigitalcollection.asme.org
In this review article, we discuss recent progress with regard to modeling gravity-driven, high
Reynolds number currents, with the emphasis on depth-resolving, high-resolution …

[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 …

Key future directions for research on turbidity currents and their deposits

PJ Talling, J Allin, DA Armitage… - Journal of …, 2015 - pubs.geoscienceworld.org
Turbidity currents, and other types of submarine sediment density flow, redistribute more
sediment across the surface of the Earth than any other sediment flow process, yet their …

Gravity currents: entrainment, stratification and self-similarity

D Sher, AW Woods - Journal of Fluid Mechanics, 2015 - cambridge.org
We present new experiments of the motion of a turbulent gravity current produced by the
rapid release of a finite volume of dense aqueous solution from a lock of length. We discuss …

Long‐range sediment transport in the world's oceans by stably stratified turbidity currents

B Kneller, MM Nasr‐Azadani… - Journal of …, 2016 - Wiley Online Library
Submarine fans, supplied primarily by turbidity currents, constitute the largest sediment
accumulations on Earth. Generally accepted models of turbidity current behavior imply they …

Evolution of high-density submarine turbidity current and its interaction with a pair of parallel suspended pipes

X Guo, Q Luo, T Stoesser, A Hajaali, X Liu - Physics of Fluids, 2023 - pubs.aip.org
The method of large-eddy simulation (LES) coupled with the density transport equation is
employed to simulate the evolution of a gravity-driven high-density turbidity current and its …

Mixing in continuous gravity currents

D Sher, AW Woods - Journal of Fluid Mechanics, 2017 - cambridge.org
We present measurements of the entrainment of ambient fluid into high-Reynolds-number
gravity currents produced by a steady flux of buoyancy. The currents propagate along a …

Sustained gravity currents in a channel

AJ Hogg, MM Nasr-Azadani, M Ungarish… - Journal of Fluid …, 2016 - cambridge.org
Gravitationally driven motion arising from a sustained constant source of dense fluid in a
horizontal channel is investigated theoretically using shallow-layer models and direct …

Investigating the temperature distribution of non-enclosed atriums with air infiltration in winter

Y Zhao, K Zhao, J Lu, J Ge - Building and Environment, 2023 - Elsevier
Low-temperature air infiltration and vertical thermal stratification lead to an unsatisfied
bottom-occupied environment of the atrium and increase the space heating load in winter …

Mixing dynamics of turbidity currents interacting with complex seafloor topography

MM Nasr-Azadani, E Meiburg, B Kneller - Environmental Fluid Mechanics, 2018 - Springer
Abstract Direct Numerical Simulations are employed to investigate the mixing dynamics of
turbidity currents interacting with seamounts of various heights. The mixing properties are …