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Conference Paper

Vertical shear mixing in stellar radiative zones

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Prat,  V.
Stellar Astrophysics, MPI for Astrophysics, Max Planck Society;

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Guilet,  J.
Stellar Astrophysics, MPI for Astrophysics, Max Planck Society;

/persons/resource/persons104754

Viallet,  M.
Stellar Astrophysics, MPI for Astrophysics, Max Planck Society;

/persons/resource/persons4658

Mueller,  E.
Stellar Astrophysics, MPI for Astrophysics, Max Planck Society;

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Citation

Prat, V., Guilet, J., Viallet, M., & Mueller, E. (2019). Vertical shear mixing in stellar radiative zones. In A. Brun, & S. Mathis (Eds.), Astro Fluid 2016: An International Conference in Memory of Professor Jean-Paul Zahn's Great Scientific Achievements (pp. 163-173). doi:10.1051/eas/1982016.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002A-DAB9-1
Abstract
Jean-Paul Zahn’s formalism for vertical shear mixing is used in several stellar evolution codes, but the physics of the shear instability in stellar radiative zones is still not completely understood. Over the last few years, numerical simulations have provided new constraints on the shear instability, including the effect of thermal diffusion and chemical stratification. We present here new simulations that show the effect of viscosity on the vertical turbulent transport due to the shear instability.