On the impossibility of mean-field dynamos with some spherical symmetry of the motions
作者:
Jürgen Reichert,
期刊:
Geophysical & Astrophysical Fluid Dynamics
(Taylor Available online 1982)
卷期:
Volume 20,
issue 3-4
页码: 213-226
ISSN:0309-1929
年代: 1982
DOI:10.1080/03091928208213653
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
A spherical mean-field dynamo model is considered in which both the mean motion and the mean electro-motive force due to fluctuating motions show some spherical symmetry. It is shown that under some reasonable assumptions the magnetic field is bound to decay to zero.
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