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1995•Monthly Notices of the Royal Astronomical SocietyOpen access

Mass dependence of convective core overshooting in the low-intermediate mass stars

Minoru Umezu

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Abstract

Several authors have indicated that convective overshooting is very small for stars in the mass range of approximately 1.1 – 1.6 M⊙, although these authors insist that larger overshooting occurs in more massive stars. In this paper, it is indicated that this small extent of convective core overshooting can be accounted for by using the non-local mixing length theory in conjunction with the turbulent viscous dissipation.

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What this paper is about

Several authors have indicated that convective overshooting is very small for stars in the mass range of approximately 1.1 – 1.6 M⊙, although these authors insist that larger overshooting occurs in more massive stars. In this paper, it is indicated that this small extent of convective core overshooting can be accounted for by using the non-local mixing length theory in conjunction with the turbulent viscous dissipation.

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Available abstract

Several authors have indicated that convective overshooting is very small for stars in the mass range of approximately 1.1 – 1.6 M⊙, although these authors insist that larger overshooting occurs in more massive stars. In this paper, it is indicated that this small extent of convective core overshooting can be accounted for by using the non-local mixing length theory in conjunction with the turbulent viscous dissipation.

Key concepts: Physics, Stars, Convection, Astrophysics, Turbulence, Core (optical fiber), Dissipation, Convective mixing

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