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Modelling turbulent fluxes due to thermal convection in rectilinear shearing flow

Published online by Cambridge University Press:  12 August 2011

Radoslaw Smolec
Affiliation:
Institute of Astronomy, University of Vienna, A-1180 Vienna, Austria email: radek.smolec@univie.ac.at, guenter.houdek@univie.ac.at
Günter Houdek
Affiliation:
Institute of Astronomy, University of Vienna, A-1180 Vienna, Austria email: radek.smolec@univie.ac.at, guenter.houdek@univie.ac.at
Douglas Gough
Affiliation:
Institute of Astronomy and Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge CB3 0HA, UK email: douglas@ast.cam.ac.uk
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Abstract

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We revisit a phenomenological description of turbulent thermal convection along the lines proposed originally by Gough (1965) in which eddies grow solely by extracting energy from the unstably stratified mean state and are subsequently destroyed by internal shear instability. This work is part of an ongoing investigation for finding a procedure to calculate the turbulent fluxes of heat and momentum in the presence of a shearing background flow in stars.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2011

References

Domaradzki, J. A. & Metcalfe, R. W. 1988, J. Fluid Mech., 193, 499CrossRefGoogle Scholar
Gough, D. O. 1965, Geophys. Fluid Dyn. II, Woods Hole Oceanographic Institution, p. 49Google Scholar
Gough, D. O. 1977a, ApJ, 214, 196CrossRefGoogle Scholar
Gough, D. O. 1977b, Problems of stellar convection, Springer-Verlag, Berlin, p. 15CrossRefGoogle Scholar
Gough, D. O. & Houdek, G. 2001, ESASP, 464, 637Google Scholar
Unno, W. 1967, PASJ, 19, 140Google Scholar
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