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A high magnetic Reynolds number dynamoA boundary-layer solution to a high magnetic Reynolds number R periodic dynamo model shows that: (1) flux expulsion forces the magnetic field into flux sheets; (2) the principal contribution to the alpha effect arises from regions of flow stagnation along a flux sheet; and (3) the alpha effect scales as R exp-1/2. Arguments for these effects persisting in turbulent dynamos are given.
Document ID
19870052911
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Perkins, F. W.
(Joint Inst. for Lab. Astrophysics Boulder, CO, United States)
Zweibel, E. G.
(Joint Institute for Laboratory Astrophysics Boulder, CO, United States)
Date Acquired
August 13, 2013
Publication Date
April 1, 1987
Publication Information
Publication: Physics of Fluids
Volume: 30
ISSN: 0031-9171
Subject Category
Plasma Physics
Accession Number
87A40185
Funding Number(s)
CONTRACT_GRANT: NAGW-91
Distribution Limits
Public
Copyright
Other

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