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Effects of varying magnetosheath flow and dissipation on the two-dimensional reconnection structure at the magnetopause
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.
2009 (English)In: Physics of Plasmas, ISSN 1070-664X, E-ISSN 1089-7674, Vol. 16, no 5, 052902-1 p.Article in journal (Refereed) Published
Abstract [en]

The stationary Riemann problem including dissipation in form of resistivity and viscosity for the reconnection structure at the dayside magnetopause is considered. Including tangential velocity shear and gradients across the complete reconnection structure from the magnetosheath side into the magnetosphere, it is shown how dissipation affects the thickness of the intermediate shock wave in the vicinity of a reconnection site. We present how plasma flow structure undergoes a significant change for a nonzero uniform plasma velocity and velocity gradient. It is also shown how the reconnection rate changes and leads to a cutoff when the velocity becomes Alfvénic.

Place, publisher, year, edition, pages
2009. Vol. 16, no 5, 052902-1 p.
Keyword [en]
Engineering mechanics - Fluid mechanics
Keyword [sv]
Teknisk mekanik - Strömningsmekanik
Research subject
Fluid Mechanics
URN: urn:nbn:se:ltu:diva-4285DOI: 10.1063/1.3133186Local ID: 235a85d0-4449-11de-83dd-000ea68e967bOAI: diva2:977149
Validerad; 2009; 20090519 (lgwe)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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Westerberg, Lars-GöranÅkerstedt, Hans
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