A turbulence-driven model for heating and acceleration of the fastwind in coronal holes
Verdini, A., Verli, M., Matthaeus, W. H., Oughton, S. & Dmitruk, P. (2010). A turbulence-driven model for heating and acceleration of the fastwind in coronal holes. Astrophysical Journal Letters, 708(2), L116-L120.
Permanent Research Commons link: https://hdl.handle.net/10289/3647
A model is presented for generation of fast solar wind in coronal holes, relying on heating that is dominated by turbulent dissipation of MHD fluctuations transported upward in the solar atmosphere. Scale-separated transport equations include large-scale fields, transverse Alfvénic fluctuations, and a small compressive dissipation due to parallel shears near the transition region. The model accounts for proton temperature, density, wind speed, and fluctuation amplitude as observed in remote sensing and in situ satellite data.
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This is an author’s accepted version of an article published in the journal: Astrophysical Journal Letters. © 2010. The American Astronomical Society.