On the modelling of rotational effects in the lower convective region of the sun

AUTOR(ES)

Cavus, H., Karafistan, A.I.

FONTE

Brazilian Journal of Physics

DATA DE PUBLICAÇÃO

2010-06

RESUMO

The purpose of this work is to study effects of differential rotation in the lower convective region of the Sun. Similar to MHD case; the governing equations are separated in variables, allowing numerical integration in this layer. This algorithm facilitates solutions of more complicated systems, with less computing time. Two different known rotation profiles are used in order to fit the model. The fitting procedure is accomplished by making use of sphericity and density shape parameters related to the rotation profiles. It is also shown that the most important feature of rotation is to break the spherical symmetric distribution of density in this layer. As in the MHD effects found before, differential rotation changes considerably the density of the reference model for both cases.

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