Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005an....326..223h&link_type=abstract
Astronomische Nachrichten, Vol.326, Issue 3, p.223-226
Astronomy and Astrophysics
Astronomy
5
Stars: Interiors, Stars: Reynolds Stress, Stars: Differential Rotation
Scientific paper
We present some results of three-dimensional hydrodynamic simulations of a compressible flow under the influence of rotation. The code implements a three-layer (stably-unstably-stably stratified) rectangular box placed at various latitudes in a convection zone of a star. We focus on the Reynolds stresses Qij = < u'i u'j > which in mean-field models have a crucial influence on angular momentum transport and differential rotation. Especially we examine the occurrence of a strong peak of Qθφ at low latitude very close to the equator, which may have implications to the theory of the angular velocity profile observed on the Sun.
Hupfer C.
Käpylä Petri
Stix Michael
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