AMLT - Anisotropic mixing length theory

Details AMLT - Anisotropic mixing length theory AMLT - Anisotropic mixing length theory

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...217..333c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 217, no. 1-2, June 1989, p. 333-343.

Astronomy and Astrophysics

Astrophysics

11

Anisotropy, Mixing Length Flow Theory, Stellar Structure, Convection, Hydrodynamic Equations, Turbulent Diffusion

Scientific paper

The standard mixing length theory (MLT) assumes that the largest eddies are the only ones that contribute to convection and that they are isotropic. These two requirements are internally inconsistent since it is experimentally known that only small eddies are isotropic while large ones exhibit large degrees of anisotropy. A new model called anisotropic MLT (AMLT) is presented here, together with a model that relates the anisotropy to other quantities of the problem. The new AMLT equations are solved for two cases of stellar structure calculations.

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