Spectrum Properties of Hall MHD Turbulence

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概要

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• Hall effects on small-scale turbulence are studied by means of direct numerical simulations (DNS) of both, the incompressible single-fluid equations and the incompressible Hall magnetohydrodynamics (MHD) equations. It is shown that the energy spectrum of the velocity and magnetic fields coincide with our earlier results of shell model simulations. A direct comparison between the numerical results of incompressible Hall MHD turbulence and those of incompressible single-fluid MHD turbulence reveals that the Hall term excites the small scales in the magnetic field by strengthening energy transfer from/to the scales comparable to the ion skin depth.

著者

• Miura Hideaki

  National Institute For Fusion Science

• HORI Dan

  National Institute for Fusion Science, Toki 509-5292, Japan

• MIURA Hideaki

  National Institute for Fusion Science, Toki 509-5292, Japan

関連論文

• Possibility of LHD Equilibrium with Zero Rotational Transform Surface
• Simulation Study of Ballooning Modes in the Large Helical Device
• Spectrum Properties of Hall MHD Turbulence
• Influences of Short-Wave Truncations to Spectral Energy Budget in Hall MHD Turbulence
• Orthonormal Divergence-Free Wavelet Analysis of Energy Transfer in Hall MHD Turbulence

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