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Ionospheric plasma outflow in response to transverse ion heating: Self-consistent macroscopic treatmentWe examined the various likely processes for creating the cavities and found that the mirror force acting on the transversely heated ions is the most likely mechanism. The pondermotive force causing the wave collapse was found to be a much weaker force than the mirror force on the transversely heated ions observed inside the cavities along with the lower hybrid waves. Using a hydrodynamic model for the polar wind we modeled the cavity formation and found that for the heating rate obtained from the observed waves, the mirror force does create cavities with depletions as observed. Some initial results from this study were published in a recent Geophysical Research Letters and were reported in the Fall AGU meeting in San Francisco. We have continued this investigation using a large-scale semikinetic model.
Document ID
19940028542
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Singh, N. (Alabama Univ. Huntsville, AL, United States)
Date Acquired
September 6, 2013
Publication Date
May 1, 1994
Subject Category
Plasma Physics
Report/Patent Number
UAH-94-429
NASA-CR-195820
NAS 1.26:195820
Accession Number
94N33048
Funding Number(s)
CONTRACT_GRANT: NAGW-2903
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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