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Scaling Laws of Turbulence and Heating of Fast Solar Wind: The Role of Density Fluctuations

Bruno, R.; Carbone, V.; Sorriso-Valvo, L. +2 more

Incompressible and isotropic magnetohydrodynamic turbulence in plasmas can be described by an exact relation for the energy flux through the scales. This Yaglom-like scaling law has been recently observed in the solar wind above the solar poles observed by the Ulysses spacecraft, where the turbulence is in an Alfvénic state. An analogous phenomeno…

Generalized Similarity in Finite Range Solar Wind Magnetohydrodynamic Turbulence

Chapman, S. C.; Nicol, R. M.

Extended or generalized similarity is a ubiquitous but not well understood feature of turbulence that is realized over a finite range of scales. The ULYSSES spacecraft solar polar passes at solar minimum provide in situ observations of evolving anisotropic magnetohydrodynamic turbulence in the solar wind under ideal conditions of fast quiet flow. …