A formulation of convection for stellar structure and evolution calculations without the mixing-length theory approximations. I - Application to the sun

Statistics – Computation

Scientific paper

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Mixing Length Flow Theory, Solar Interior, Stellar Convection, Stellar Evolution, Stellar Structure, Computational Astrophysics, Equations Of State, Mathematical Models, Solar Atmosphere, Stellar Models

Scientific paper

The problem of treating convective energy transport without MLT approximations is approached here by formulating the results of numerical simulations of convection in terms of energy fluxes. This revised treatment of convective transport can be easily incorporated within existing stellar structure codes. As an example, the technique is applied to the sun. The treatment does not include any free parameters, making the models extremely sensitive to the accuracy of the treatments of opacities, chemical abundances, treatments of the solar atmosphere, and the equation of state.

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