The three-dimensional structure of vortices in protoplanetary disks and dust trapping

Details The three-dimensional structure of vortices in protoplanetary disks and dust trapping The three-dimensional structure of vortices in protoplanetary disks and dust trapping

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010sf2a.conf..265m&link_type=abstract

SF2A-2010: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics. Eds.: S. Boissier, M. Heydari-

Astronomy and Astrophysics

Astrophysics

Accretion, Accretion Disks, Protoplanetary Disks, Hydrodynamics, Instabilities, Methods: Numerical

Scientific paper

Protoplanetary disks vortices are of high interest for planetesimals formation as they can accelerate the growing process of the dust. Indeed previous two dimensional studies have shown that they could concentrate the solid particles in their centre. One mechanism proposed to explain the emergence and survival of a vortex in a differentially rotating disk, is the Rossby Wave Instability (RWI). In this context, we present the structure of a three dimensional RWI vortex and we study the concentration of solid particles in this structure. We show that the dust are effectively concentrated in these vortices, and that the concentration depends on the size of the particles.

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