Astrophysics

    

Solar Dynamo Modelled with a Variable Speed Inner Core

Authors: P. G. Vejde

Sunspot patterns and motions observed in the photosphere are modelled here by assuming the more solid inner core of the sun rotates at a variable speed. In a solar cycle with a periodicity where the inner core alternates between rotating faster than the outer convection zone every 11 years. And then rotates slower than the convection zone for the next 11 years. For a total of a 22 year solar cycle. This physical mechanism creates a 22 year cycle in the rotational velocity gradient in the plasma of the convection zone across its radius. Which drives the N-S solar dynamo and creates both the motion of sunspots and induces the observed variations and reversals in polarity of sunspots. And in turn induces the overall Polarity of the dipole solar magnetic field.

Comments: 5 Pages.

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[v1] 2024-06-24 19:58:30

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