Europlanet Science Congress 2021
Virtual meeting
13 – 24 September 2021
Europlanet Science Congress 2021
Virtual meeting
13 September – 24 September 2021
EPSC Abstracts
Vol. 15, EPSC2021-814, 2021
https://doi.org/10.5194/epsc2021-814
European Planetary Science Congress 2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

3D simulations of dust trapping in gaseous vortices

Steven Rendon Restrepo and Pierre Barge
Steven Rendon Restrepo and Pierre Barge
  • Aix Marseille Univ, CNRS, LAM, Marseille, France (steven.rendon-restrepo@lam.fr)

    Large scale vortices are thought to be natural outcomes of hydrodynamic instabilities in protoplanetary disks, as for instance the Rossby Wave Instability [1] or Baroclinic instability. Analytical and numerical studies showed that they can be long-lived and catalyze efficiently dust material concentration [2], [3] what encourages to think they could play a role in protoplanetary-disk evolution and planetesimal formation. Their presence in the outer regions of circumstellar disks is possibly betrayed by recent observations of lopsided structures with ALMA and VLT [4], [5].

    We present our latest results of two-phase 3D numerical simulations in which the solid particles are embedded in the gas and described as a second pressureless fluid.  The goal is to discuss the sedimentation of the dust phase in the protoplanetary disk midplane, and the dust trapping mechanism induced by 3D vortices. We will also address the question if 3D vortices are more stable to the streaming instability than 2D vortices.

Figure 1. Left : Three 3D vortices generated by the Rossby Wave instability. Right : Same as left but two vortices merged after few orbital periods

[1] Lovelace, R. V. E., Li, H., Colgate, S. A., & Nelson, A. F. 1999, ApJ, 513, 805

[2] Barge, P. & Sommeria, J. 1995, A&A, 295, L1

[3] Raettig N, Klahr H Lyra W (2015), ApJ804

[4] Tsukagoshi, T., Muto, T., Nomura, H., et al. 2019, ApJ, 878, L8

[5] Dong, R., Liu, S.-y., Eisner, J., et al. 2018, ApJ, 860, 124

How to cite: Rendon Restrepo, S. and Barge, P.: 3D simulations of dust trapping in gaseous vortices, European Planetary Science Congress 2021, online, 13–24 Sep 2021, EPSC2021-814, https://doi.org/10.5194/epsc2021-814, 2021.

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