Remarks on some typical assumptions in dynamo theory

Busse, F.H. and Simitev, R. (2011) Remarks on some typical assumptions in dynamo theory. Geophysical and Astrophysical Fluid Dynamics, 105(2-3), pp. 234-247. (doi: 10.1080/03091929.2010.519891)

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Some concepts used in the theory of convection-driven dynamos in rotating spherical fluid shells are discussed. The analogy between imposed magnetic fields and those generated by dynamo action is evaluated and the role of the Elsasser number is considered. Eddy diffusivities are essential ingredients in numerical dynamo simulations, but their effects could be misleading. New aspects of the simultaneous existence of different dynamo states are described.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Simitev, Professor Radostin
Authors: Busse, F.H., and Simitev, R.
Subjects:Q Science > QA Mathematics
Q Science > QC Physics
College/School:College of Science and Engineering > School of Mathematics and Statistics > Mathematics
Journal Name:Geophysical and Astrophysical Fluid Dynamics
ISSN (Online):1029-0419
Published Online:19 November 2010

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