Dynamics of fingering convection. Part 1 Small-scale fluxes and large-scale instabilities

DOI10.1017/jfm.2011.98zbMath1241.76229arXiv1008.1807OpenAlexW2146774837MaRDI QIDQ2891666

Timour Radko, Pascale Garaud, Stephan Stellmach, A. Traxler, Nicholas H. Brummell

Publication date: 15 June 2012

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

Full work available at URL: https://arxiv.org/abs/1008.1807

zbMATH Keywords

double-diffusive convectiongeophysical and geological flows

Mathematics Subject Classification ID

Hydrology, hydrography, oceanography (86A05) Turbulent transport, mixing (76F25) Convection in hydrodynamic stability (76E06) Stability and instability of geophysical and astrophysical flows (76E20)

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Equilibrium transport in double-diffusive convection ⋮ Jet formation in salt-finger convection: a modified Rayleigh–Bénard problem ⋮ Initiation of diffusive layering by time-dependent shear ⋮ Multiple states and transport properties of double-diffusive convection turbulence ⋮ The Lagrangian nature of fingering convection ⋮ A model for staircase formation in fingering convection ⋮ On the wall-bounded model of fingering double diffusive convection ⋮ Layer formation in sedimentary fingering convection ⋮ Settling-driven large-scale instabilities in double-diffusive convection ⋮ Double-diffusive lock-exchange gravity currents ⋮ Thermohaline layering on the microscale ⋮ Suppression of internal waves by thermohaline staircases ⋮ The dynamics of stratified horizontal shear flows at low Péclet number ⋮ Scaling laws and flow structures of double diffusive convection in the finger regime ⋮ Parametrization of irreversible diapycnal diffusivity in salt-fingering turbulence using DNS ⋮ Thermohaline staircase formation in the diffusive convection regime: a theory based upon stratified turbulence asymptotics ⋮ Layering and vertical transport in sheared double-diffusive convection in the diffusive regime

Cites Work

• Spectral methods for incompressible viscous flow
• The double-diffusive modon
• The characteristics of salt fingers in a variety of fluid systems, including stellar interiors, liquid metals, oceans, and magmas
• On the collective instability of salt fingers
• Equilibrium salt-fingering convection
• Double-diffusive transport in laboratory thermohaline staircases
• A mechanism for layer formation in a double-diffusive fluid
• What determines the thickness of layers in a thermohaline staircase?
• Spectral Methods
• The secondary instability of salt fingers
• Collective instability of salt fingers

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