Compressive turbulent cascade and heating in the solar wind

Details Compressive turbulent cascade and heating in the solar wind Compressive turbulent cascade and heating in the solar wind

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1216..156m&link_type=abstract

TWELFTH INTERNATIONAL SOLAR WIND CONFERENCE. AIP Conference Proceedings, Volume 1216, pp. 156-159 (2010).

Computer Science

Solar Wind, Plasma Fluctuations, Magnetohydrodynamics, Solar Heating, Plasma Heating, Particle Emission, Solar Wind, Fluctuation And Chaos Phenomena, Magnetohydrodynamics And Plasmas, Solar Activity, Plasma Heating By Particle Beams

Scientific paper

A turbulent energy cascade has been recently identified in high-latitude solar wind data samples by using a Yaglom-like relation. However, analogous scaling law, suitably modified to take into account compressible fluctuations, has been observed in a much more extended fraction of the same data set recorded by the Ulysses spacecraft. Thus, it seems that large scale density fluctuations, despite their low amplitude, play a major role in the basic scaling properties of turbulence. The compressive turbulent cascade, moreover, seems to be able to supply the energy needed to account for the local heating of the non-adiabatic solar wind.

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