Phenomenology of Rayleigh-Taylor turbulence.

Kolmogorov scaling and intermittency in Rayleigh-Taylor turbulence.

Turbulence induced by Rayleigh-Taylor instability is a ubiquitous phenomenon with applications ranging from atmospheric physics and geophysics to supernova explosions and plasma confinement fusion. Despite its fundamental character, a phenomenological theory has been proposed only recently and several predictions are untested. In this Rapid Communication we confirm spatiotemporal predictions of...

Visualization of Rayleigh–Taylor flows from Boussinesq approximation to fully compressible Navier–Stokes model

Visualizations of Rayleigh–Taylor turbulent mixing layers are presented. Three Navier–Stokes models are used: Boussinesq, anelastic and fully compressible. Isosurfaces and slices of concentration, vorticity, Q-criterion, turbulent kinetic energy, local Taylor-microscale Reynolds number, dissipation, pressure and temperature are displayed. This gives an overall picture of the Rayleigh–Taylor flo...

Rayleigh-Taylor Turbulent Mixing Simulations

of the Dissertation Rayleigh-Taylor Turbulent Mixing Simulations

Large-eddy simulation of Rayleigh-Taylor turbulence with compressible miscible fluids

Rayleigh-Taylor turbulence in two dimensions.

The first consistent phenomenological theory for two- and three-dimensional Rayleigh-Taylor (RT) turbulence has recently been presented by Chertkov [Phys. Rev. Lett. 91, 115001 (2003)]. By means of direct numerical simulations, we confirm the spatiotemporal prediction of the theory in two dimensions and explore the breakdown of the phenomenological description due to intermittency effects. We s...