Partial Mixing of Material in the Radiative Envelope and Convective Core of a Rotating Main-Sequence Star with Mass 16Msun

Details Partial Mixing of Material in the Radiative Envelope and Convective Core of a Rotating Main-Sequence Star with Mass 16Msun Partial Mixing of Material in the Radiative Envelope and Convective Core of a Rotating Main-Sequence Star with Mass 16Msun

Jun 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001arep...45..467s&link_type=abstract

Astronomy Reports, Volume 45, Issue 6, June 2001, pp.467-474

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The evolution of a rotating main-sequence star with a mass of 16M &sun; is studied. The flow of material in the radiative envelope is turbulent. When the exchange of energy and chemical elements is taken into account, this turbulence transfers helium and momentum from the convective core to the radiative envelope. The helium content at the stellar surface is enhanced toward the end of the evolution on the main sequence by 0.006 0.306, depending on the character of the star’s initial rotation and the horizontal coefficient of the turbulent viscosity.

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