NDLI: Modeling of Solar Wind in the Coronal Funnel with Mass and Energy Supplied at 5 Mm

Content Provider	Springer Nature Link
Author	He, J. S. Tu, C. Y. Marsch, E.
Copyright Year	2008
Abstract	The origin of the solar wind is a long-standing issue in both observational and theoretical studies. To understand how and where in the solar atmosphere the mass and energy of the solar wind are supplied is very important. Previous observation suggests a scenario in which the fast solar wind originates at heights above 5 Mm in the magnetically open funnel, a process that is accompanied by downward flow below 5 Mm, whereby the mass and energy are supplied through reconnection between the open funnel and adjacent closed loops. Based on this scenario, we develop a fluid model to study the solar wind generation under the assumption that mass and energy are deposited in the open funnel at 5 Mm. The mass supply rate is estimated from the mass loss rate as given by the emptying of the side loops as a result of their assumed reconnection with the open funnel. Similarly, the energy input rate is consistent with the energy release rate as estimated from the energy flux associated with the reconnection between the open magnetic funnel and the closed magnetic loops. Following the observations, we not only simulate the plasma flowing upward to form the solar wind but also calculate the downward flow back to the lower atmosphere. This model is a first attempt to study physically the proposed scenario of solar wind origin and gives a new physical illustration of the possible initial deposition and consequent transportation of mass and energy in the coronal funnel.
Starting Page	147
Ending Page	158
Page Count	12
File Format	PDF
ISSN	00380938
Journal	Solar Physics
Volume Number	250
Issue Number	1
e-ISSN	1573093X
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-06-22
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Extraterrestrial Physics, Space Sciences Meteorology/Climatology Astrophysics
Content Type	Text
Resource Type	Article
Subject	Astronomy and Astrophysics Space and Planetary Science

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Modeling of Solar Wind in the Coronal Funnel with Mass and Energy Supplied at 5 Mm

Cyclical Behavior of Coronal Mass Ejections

Relation Between Coronal Hole Areas on the Sun and the Solar Wind Parameters at 1 AU

The Solar Wind Energy Flux

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Modeling of Solar Wind in the Coronal Funnel with Mass and Energy Supplied at 5 Mm

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