Saturn's magnetic field and dynamo theory

Details Saturn's magnetic field and dynamo theory Saturn's magnetic field and dynamo theory

May 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981georl...8..505t&link_type=abstract

Geophysical Research Letters, vol. 8, May 1981, p. 505-508.

Astronomy and Astrophysics

Astronomy

2

Dynamo Theory, Planetary Magnetic Fields, Saturn (Planet), Astronomical Models, Incompressible Fluids, Magnetic Field Configurations, Planetary Cores, Saturn, Magnetic Fields, Dynamo Theory, Observations, Cores, Models, Flow, Dipole, Symmetry, Harmonics, Comparisons

Scientific paper

Possible generation mechanisms of Saturn's magnetic field are examined with reference to the Braginskii nearly-axisymmetric dynamo (1964), the mean-field dynamo, and a possible axisymmetric dynamo relying on compressibility. It is shown that the Braginskii model is compatible with both the tilt angle and power requirements in a large Saturnian core. However, if the core is sufficiently small the mean-field dynamo model will be more likely. If both conventional theories are ruled out, the compressible axisymmetric dynamo model will become of great interest.

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