Internal gravity waves from atmospheric jets and fronts

R Plougonven, F Zhang - Reviews of Geophysics, 2014 - Wiley Online Library
For several decades, jets and fronts have been known from observations to be significant
sources of internal gravity waves in the atmosphere. Motivations to investigate these waves …

Gravity wave propagation through a vertically and horizontally inhomogeneous background wind

CJ Heale, JB Snively - Journal of Geophysical Research …, 2015 - Wiley Online Library
A combination of ray theory and 2‐D time‐dependent simulations is used to investigate the
linear effects of a time‐dependent, vertically, and horizontally inhomogeneous background …

Instability of vertically stratified horizontal plane Poiseuille flow

P Le Gal, U Harlander, ID Borcia, S Le Dizès… - Journal of Fluid …, 2021 - cambridge.org
We present here the first study on the stability of plane Poiseuille flow when the fluid is
stratified in density perpendicularly to the plane of horizontal shear. Using laboratory …

Evidence for layered anisotropic stratified turbulence in a freely evolving horizontal shear flow

SF Lewin, PC Colm-cille - Journal of Fluid Mechanics, 2024 - cambridge.org
We present evidence for layered anisotropic stratified turbulence (LAST) and mixing
produced in a freely evolving uniformly stratified shear layer where the direction of shear is …

[HTML][HTML] Gravity waves in a horizontal shear flow. Part II: Interaction between gravity waves and potential vorticity perturbations

NA Bakas, BF Farrell - Journal of Physical Oceanography, 2009 - journals.ametsoc.org
Gravity Waves in a Horizontal Shear Flow. Part II: Interaction between Gravity Waves and
Potential Vorticity Perturbations in: Journal of Physical Oceanography Volume 39 Issue 3 (2009) …

Generation of gravity waves by singular potential vorticity disturbances in shear flows

MV Kalashnik, O Chkhetiani - Journal of the Atmospheric …, 2017 - journals.ametsoc.org
The linear mechanism of generation of gravity waves by potential vorticity (PV) disturbances
in flows with constant horizontal and vertical shears is studied. The case of the initial …

Localized layers of turbulence in stratified horizontally sheared Poiseuille flow

J Labarbe, P Le Gal, U Harlander… - Journal of Fluid …, 2023 - cambridge.org
This paper presents a numerical analysis of the instability developing in horizontally
sheared Poiseuille flow, when stratification extends along the vertical direction. Our study …

Inertial instability of the Kolmogorov flow in a rotating stratified fluid

MV Kurgansky - Fluid Dynamics Research, 2021 - iopscience.iop.org
Linear and non-linear inertial stability of a Kolmogorov flow in a rotating viscous fluid of
uniform density is investigated using the method of continued fractions and the low-order …

[HTML][HTML] Transient dynamics of nonsymmetric perturbations versus symmetric instability in baroclinic zonal shear flows

GR Mamatsashvili, VS Avsarkisov… - Journal of the …, 2010 - journals.ametsoc.org
Transient Dynamics of Nonsymmetric Perturbations versus Symmetric Instability in
Baroclinic Zonal Shear Flows in: Journal of the Atmospheric Sciences Volume 67 Issue 9 (2010) …

Instabilities and transient growth of the stratified Taylor–Couette flow in a Rayleigh-unstable regime

J Park, P Billant, JJ Baik - Journal of Fluid Mechanics, 2017 - cambridge.org
The stability of the Taylor–Couette flow is analysed when there is a stable density
stratification along the axial direction and when the flow is centrifugally unstable, ie in the …