Winds from young suns and protoplanetary disks
Takeru K. Suzuki (Univ. of Nagoya, Japan)
Department of Physics, Nagoya University, Sap
Mon, Dec. 07th 2015, 11:00-12:00
Bat 713, salle de séminaires Galilée , CEA Saclay, Orme des Merisiers

I would like to introduce some results of our MHD simulations for "perturbation-driven'" winds. Convection and turbulence are ubiquitous in various astrophysical objects. Turbulent motion excites various modes of waves and they frequently excite flows. For example, the Sun and solar-type stars posses a surface convective layer, which excites MHD waves to accelerate solar and stellar winds. Turbulence in accretion disks plays a role in not only radial transport of angular momentum but also vertical outflows. In this talk, I plan to focus on the following two topics:

(i) Saturation of winds from very active young solar-type stars.

(ii) Protoplanetary disk winds and applications to the evolution of protoplanetary disks and the planet formation.

Contact : Pascale CHAVEGRAND


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