Mathematics – Logic
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufm.p43e..02j&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #P43E-02
Mathematics
Logic
[5430] Planetary Sciences: Solid Surface Planets / Interiors, [5440] Planetary Sciences: Solid Surface Planets / Magnetic Fields And Magnetism
Scientific paper
During the differentiation and secular cooling processes, a solid inner core may appear and grow in a planetary interior on geological time scales. Therefore, planetary dynamos could operate in an outer core with an arbitrary inner core. Studying the influence of the inner core size on planetary dynamos could thus help us better understand the planetary evolution history through the investigation of planetary magnetic fields. For this purpose, we use the MoSST core dynamics model to simulate planetary dynamos with three different inner core sizes. Each radii decreases monotonically by one third of the largest value. To identify the effect of the inner core changes on dynamos, all other properties of the outer core, including the heat flux across the core-mantle boundary (CMB), are the same in all the three cases. We intend to examine the numerical dynamo solutions, focusing in particular on the properties of the generated magnetic field.
Jiang Wei
Kuang Weijia
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