Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004chjaa...4..490l&link_type=abstract
Chinese J. Astron. Astrophys., Vol. 4, 490-498 (2004)
Astronomy and Astrophysics
Astrophysics
1
Solar Convection, Mhd: Thermodynamics Variables, Sun: Hydrostatic Equilibrium Equation
Scientific paper
Correction of non-ideal effect due to a magnetic fluctuating tensor is derived from the ideal MHD equations. The inclusion of a magnetic turbulent field leads to modifications of the hydrostatic equilibrium equation and thermodynamical variables such as the temperature T, the adiabatic exponent γ, the adiabatic temperature gradient nablaad and the temperature gradient nabla. In particular, the modifications in the adiabatic and radiative temperature gradients will result in a change in the Schwarzchild criterion, hence in the location of the base of the convective zone. Incorporating the modifications, we construct a modified thermodynamical equilibrium structure of the Sun.
Bi Shao-Lan
Liao Yanbiao
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