NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Loop heating by D.C. electric current and electromagnetic wave emissions simulated by 3-D EM particle zoneWe have shown that a current-carrying plasma loop can be heated by magnetic pinch driven by the pressure imbalance between inside and outside the loop, using a 3-dimensional electromagnetic (EM) particle code. Both electrons and ions in the loop can be heated in the direction perpendicular to the ambient magnetic field, therefore the perpendicular temperature can be increased about 10 times compared with the parallel temperature. This temperature anisotropy produced by the magnetic pinch heating can induce a plasma instability, by which high-frequency electromagnetic waves can be excited. The plasma current which is enhanced by the magnetic pinch can also excite a kinetic kink instability, which can heat ions perpendicular to the magnetic field. The heating mechanism of ions as well as the electromagnetic emission could be important for an understanding of the coronal loop heating and the electromagnetic wave emissions from active coronal regions.
Document ID
19950033353
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Sakai, J. I.
(Toyama Univ. Toyama, Japan)
Zhao, J.
(Toyama Univ. Toyama, Japan)
Nishikawa, K.-I.
(Univ. of Iowa, Iowa City, IA United States)
Date Acquired
August 16, 2013
Publication Date
September 1, 1994
Publication Information
Publication: Solar Physics
Volume: 154
Issue: 1
ISSN: 0038-0938
Subject Category
Solar Physics
Accession Number
95A64952
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available