Kinetic energy and enstrophy transfer in compressible Rayleigh–Taylor turbulence
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2020.700
Abstract: Abstract Kinetic energy and enstrophy transfer in compressible Rayleigh–Taylor (RT) turbulence were investigated by means of direct numerical simulation. It is revealed that compressibility plays an important role in the kinetic energy and enstrophy transfer… read more here.
Keywords: work; enstrophy; enstrophy transfer; kinetic energy ... See more keywords
Scaling of locally averaged energy dissipation and enstrophy density in isotropic turbulence
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DOI: 10.1088/1367-2630/ab05e8
Abstract: Using direct numerical simulations of isotropic turbulence in periodic cubes of several sizes, the largest being $8192^3$ yielding a microscale Reynolds number of $1300$, we study the properties of pressure Laplacian to understand differences in… read more here.
Keywords: isotropic turbulence; enstrophy density; dissipation; energy dissipation ... See more keywords
Enstrophy Cascade in Decaying Two-Dimensional Quantum Turbulence.
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DOI: 10.1103/physrevlett.119.184502
Abstract: We report evidence for an enstrophy cascade in large-scale point-vortex simulations of decaying two-dimensional quantum turbulence. Devising a method to generate quantum vortex configurations with kinetic energy narrowly localized near a single length scale, the… read more here.
Keywords: quantum turbulence; dimensional quantum; enstrophy cascade; two dimensional ... See more keywords
Tsallis Extended Thermodynamics Applied to 2-d Turbulence: Lévy Statistics and q-Fractional Generalized Kraichnanian Energy and Enstrophy Spectra
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DOI: 10.3390/e20020109
Abstract: The extended thermodynamics of Tsallis is reviewed in detail and applied to turbulence. It is based on a generalization of the exponential and logarithmic functions with a parameter q. By applying this nonequilibrium thermodynamics, the… read more here.
Keywords: energy; extended thermodynamics; thermodynamics; turbulence ... See more keywords