A new variational multiscale formulation for stratified incompressible turbulent flows
For geophysical and environmental flows in the high-Reynolds-number regime, stable
density stratification strongly affects the turbulent fluid motions. While turbulent flows, due to …
density stratification strongly affects the turbulent fluid motions. While turbulent flows, due to …
ALE–VMS formulation for stratified turbulent incompressible flows with applications
A numerical formulation for incompressible flows with stable stratification is developed using
the framework of variational multiscale methods. In the proposed formulation, both density …
the framework of variational multiscale methods. In the proposed formulation, both density …
[HTML][HTML] Grid-point and time-step requirements for large-eddy simulation and Reynolds-averaged Navier–Stokes of stratified wakes
Estimates of grid-point and time-step requirements exist for many canonical flows but not for
stratified wakes. The purpose of this work is to fill in this gap. We apply the basic meshing …
stratified wakes. The purpose of this work is to fill in this gap. We apply the basic meshing …
Direct numerical simulation of stratified flow past a sphere at a subcritical Reynolds number of 3700 and moderate Froude number
Direct numerical simulation of flow past a sphere in a stratified fluid is carried out at a
subcritical Reynolds number of 3700 and) exhibits significant differences in turbulence …
subcritical Reynolds number of 3700 and) exhibits significant differences in turbulence …
Large-scale characteristics of stratified wake turbulence at varying Reynolds number
Q Zhou, PJ Diamessis - Physical Review Fluids, 2019 - APS
We analyze a large-eddy simulation data set of wakes of a towed sphere of diameter D at
speed U in a uniformly stratified Boussinesq fluid with buoyancy frequency N and kinematic …
speed U in a uniformly stratified Boussinesq fluid with buoyancy frequency N and kinematic …
A numerical study of a weakly stratified turbulent wake
JA Redford, TS Lund, GN Coleman - Journal of Fluid Mechanics, 2015 - cambridge.org
Direct numerical simulation (DNS) of a time-developing turbulent wake evolving in a stably
stratified background is presented. A large initial Froude number is chosen to allow the wake …
stratified background is presented. A large initial Froude number is chosen to allow the wake …
Quantifying the turbulent mixing driven by the Faraday instability in rotating miscible fluids
The effect of the rotation on the turbulent mixing of two miscible fluids of small contrasting
density, induced by Faraday instability, is investigated using direct numerical simulations …
density, induced by Faraday instability, is investigated using direct numerical simulations …
Investigation on the thermohaline structure of the stratified wake generated by a propagating submarine
Q Chen, Q Lin, Y Xuan, Y Han - International Journal of Heat and Mass …, 2021 - Elsevier
The in situ thermohaline distribution of the wake contains a critical source of information for
submersible detection. In this work, a stratified thermohaline wake model, in which major …
submersible detection. In this work, a stratified thermohaline wake model, in which major …
The age of a wake
T Radko, D Lewis - Physics of Fluids, 2019 - pubs.aip.org
This study attempts to quantify the decay rates of stratified wakes in active oceanic
environments, characterized by the presence of intermittent turbulence and double-diffusive …
environments, characterized by the presence of intermittent turbulence and double-diffusive …
The onset and saturation of the Faraday instability in miscible fluids in a rotating environment
We investigate the influence of rotation on the onset and saturation of the Faraday instability
in a vertically oscillating two-layer miscible fluid using a theoretical model and direct …
in a vertically oscillating two-layer miscible fluid using a theoretical model and direct …