Turbulent Convection: Old and New Models

Details Turbulent Convection: Old and New Models Turbulent Convection: Old and New Models

Aug 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apj...467..385c&link_type=abstract

Astrophysical Journal v.467, p.385

Astronomy and Astrophysics

Astronomy

34

Convection, Stars: Interiors, Turbulence

Scientific paper

This paper contains (1) a physical argument to show that the one-eddy MLT model underestimates the convective flux Fc in the high-efficiency regime, while it overestimates Fc in the low-efficiency regime, and (2) a new derivation of the Fc(MLT) using a turbulence model in the one-eddy approximation. (3) We forsake the one-eddy approximation and adopt the Kolmogorov spectrum to represent the turbulent energy spectrum. The resulting Fc > Fc(MLT) in the high-efficiency regime, and Fc

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