Irreversible mixing by unstable periodic orbits in buoyancy dominated stratified turbulence

DOI10.1017/JFM.2017.695zbMath1419.76344arXiv1706.02536OpenAlexW3105912222MaRDI QIDQ5225964

Dan Lucas, C. P. Caulfield

Publication date: 29 July 2019

Published in: Journal of Fluid Mechanics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1706.02536

zbMATH Keywords

nonlinear dynamical systemsturbulent mixingstratified turbulence

Mathematics Subject Classification ID

Dynamical systems in fluid mechanics, oceanography and meteorology (37N10) Dynamical systems approach to turbulence (76F20) Stratification effects in turbulence (76F45)

Related Items (6)

The linear instability of the stratified plane Couette flow ⋮ Adjoint sensitivity analysis of chaotic systems using cumulant truncation ⋮ Free-stream coherent structures in parallel compressible boundary-layer flows at subsonic and moderate supersonic Mach numbers ⋮ Deep learning of conjugate mappings ⋮ Stably stratified exact coherent structures in shear flow: the effect of Prandtl number ⋮ Exploiting self-organized criticality in strongly stratified turbulence

Cites Work

• Periodic motion embedded in plane Couette turbulence: regeneration cycle and burst
• Diapycnal diffusivity, turbulent Prandtl number and mixing efficiency in Boussinesq stratified turbulence
• The Significance of Simple Invariant Solutions in Turbulent Flows
• Non-invasive turbulent mixing across a density interface in a turbulent Taylor–Couette flow
• Recurrent flow analysis in spatiotemporally chaotic 2-dimensional Kolmogorov flow
• M<scp>IXING</scp> E<scp>FFICIENCY IN</scp> S<scp>TRATIFIED</scp> S<scp>HEAR</scp> F<scp>LOWS</scp>
• Dissipation-range geometry and scalar spectra in sheared stratified turbulence
• Parameterization of turbulent fluxes and scales using homogeneous sheared stably stratified turbulence simulations
• Mixing efficiency in stratified turbulence
• Layer formation in horizontally forced stratified turbulence: connecting exact coherent structures to linear instabilities
• Sustaining processes from recurrent flows in body-forced turbulence
• Self-similar mixing in stratified plane Couette flow for varying Prandtl number
• Invariant recurrent solutions embedded in a turbulent two-dimensional Kolmogorov flow
• Density Stratification, Turbulence, but How Much Mixing?
• Periodic motion representing isotropic turbulence

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