A turbulence-driven model for heating and acceleration of the fast wind in coronal holes

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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...

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Autores principales: Verdini, A., Velli, M., Matthaeus, W.H., Oughton, S., Dmitruk, P.
Formato: JOUR
Materias:
MHD
Solar wind
Turbulence
Waves
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_20418205_v708_n2PART2_pL116_Verdini
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_20418205_v708_n2PART2_pL116_Verdini
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spelling todo:paper_20418205_v708_n2PART2_pL116_Verdini2023-10-03T16:37:59Z A turbulence-driven model for heating and acceleration of the fast wind in coronal holes Verdini, A. Velli, M. Matthaeus, W.H. Oughton, S. Dmitruk, P. MHD Solar wind Turbulence Waves 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. © 2010. The American Astronomical Society. All rights reserved.. Fil:Dmitruk, P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_20418205_v708_n2PART2_pL116_Verdini
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic MHD
Solar wind
Turbulence
Waves
spellingShingle MHD
Solar wind
Turbulence
Waves
Verdini, A.
Velli, M.
Matthaeus, W.H.
Oughton, S.
Dmitruk, P.
A turbulence-driven model for heating and acceleration of the fast wind in coronal holes
topic_facet MHD
Solar wind
Turbulence
Waves
description 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. © 2010. The American Astronomical Society. All rights reserved..
format JOUR
author Verdini, A.
Velli, M.
Matthaeus, W.H.
Oughton, S.
Dmitruk, P.
author_facet Verdini, A.
Velli, M.
Matthaeus, W.H.
Oughton, S.
Dmitruk, P.
author_sort Verdini, A.
title A turbulence-driven model for heating and acceleration of the fast wind in coronal holes
title_short A turbulence-driven model for heating and acceleration of the fast wind in coronal holes
title_full A turbulence-driven model for heating and acceleration of the fast wind in coronal holes
title_fullStr A turbulence-driven model for heating and acceleration of the fast wind in coronal holes
title_full_unstemmed A turbulence-driven model for heating and acceleration of the fast wind in coronal holes
title_sort turbulence-driven model for heating and acceleration of the fast wind in coronal holes
url http://hdl.handle.net/20.500.12110/paper_20418205_v708_n2PART2_pL116_Verdini
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