EPJ Web of Conferences
Volume 46, 2013Instabilities and Structures in Proto-Planetary Disks
|Number of page(s)||5|
|Section||Capture and Dust Loading|
|Published online||11 April 2013|
Efficiency of coherent vortices to trap dust particles in the solar nebula
Laboratoire de Physique Théorique (IRSAMC), CNRS and
UPS, Université de Toulouse, F-31062
a e-mail: email@example.com
We develop the idea proposed by Barge & Sommeria (1995) that large-scale vortices present in the solar nebula can concentrate dust particles and facilitate the formation of planetesimals and planets. We introduce an exact vortex solution of the incompressible 2D Euler equation (Kida vortex) and study the motion of dust particles in that vortex. In particular, we derive an analytical expression of the capture time as a function of the friction coefficient and determine the parameters leading to an optimal capture.
© Owned by the authors, published by EDP Sciences, 2013
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