Phenomenology of rayleigh-taylor turbulence

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115 Scopus citations


I analyze the advanced mixing regime of the Rayleigh-Taylor incompressible turbulence in the small Atwood number Boussinesq approximation. The prime focus of my phenomenological approach is to resolve the temporal behavior and the small-scale spatial correlations of velocity and temperature fields inside the mixing zone, which grows as [Formula presented]. I show that the “[Formula presented]”-Kolmogorov scenario for velocity and temperature spectra is realized in three spatial dimensions with the viscous and dissipative scales decreasing in time, [Formula presented]. The Bolgiano-Obukhov scenario is shown to be valid in two dimensions with the viscous and dissipative scales growing, [Formula presented].

Original languageEnglish (US)
JournalPhysical review letters
Issue number11
StatePublished - 2003
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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