Physics – Fluid Dynamics
Scientific paper
Nov 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991gapfd..60..269a&link_type=abstract
Geophysical and Astrophysical Fluid Dynamics, vol. 60, Issue 1, pp.269-273
Physics
Fluid Dynamics
1
Dynamo Theory, Model-Z, Hydromagnetic Wave
Scientific paper
Latitude behavior of the boundary -effect based on reflection of hydromagnetic waves from the Core-Mantle Boundary (CMB) studied earlier by Anufriev (1991), is discussed. Its form given in Figure 2 is in good agreement with that used in model-Z of Braginsky. We want to emphasize the following main features of our -effect which resemble those of Braginsky: concentration near the boundary, sign-changing of in the layer and geometrical behavior. The last includes the vanishing of near the poles and the equator which is characteristic for Braginsky's -effect. It is also shown that for Magnetic Reynolds Number of order 100 the amplitude of the -effect and the thickness of the -layer is of the order of those used in model-Z.
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