Do steady fast magnetic dynamos exist?

Details Do steady fast magnetic dynamos exist? Do steady fast magnetic dynamos exist?

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phrvl..62.2965f&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 62, June 19, 1989, p. 2965-2968. Research supported by NASA, NSF, DOE, and U.S. N

Physics

16

Chaos, Dynamo Theory, Magnetic Fields, Rotating Generators, Electrical Resistivity, Fluid Flow, Reynolds Number, Steady Flow, Three Dimensional Flow, Macroinstabilities, Magnetohydrodynamics And Plasmas

Scientific paper

This paper considers the question of the existense of a steady fast kinematic magnetic dynamo for a conducting fluid with a steady velocity field and vanishingly small electrical resistivity. The analysis of examples of steady dynamos, found by considering the zero-resistivity dynamics, indicated that, for sufficiently small resistivity, dynamo action can indeed occur in steady smooth three-dimensional chaotic fluid flows and that fast dynamos should consequently be a typical occurrence for such flows.

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