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The accumulation and trapping of grains at planet gaps : effects of grain growth and fragmentation

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Laibe_2015_PSS_Accumulation_AM.pdf (1.616Mb)
Date
2015
Author
Gonzalez, J.-F.
Laibe, G.
Maddison, S.T.
Pinte, C.
Ménard, F.
Keywords
Protoplanetary disks
Planet-disk interactions
Hydrodynamics
Methods: numerical
Submillimeter: planetary systems
QC Physics
NDAS
Metadata
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Abstract
We model the dust evolution in protoplanetary disks with full 3D, Smoothed Particle Hydrodynamics (SPH), two-phase (gas+dust) hydrodynamical simulations. The gas+dust dynamics, where aerodynamic drag leads to the vertical settling and radial migration of grains, is consistently treated. In a previous work, we characterized the spatial distribution of non-growing dust grains of different sizes in a disk containing a gap-opening planet and investigated the gap's detectability with the Atacama Large Millimeter/submillimeter Array (ALMA). Here we take into account the effects of grain growth and fragmentation and study their impact on the distribution of solids in the disk. We show that rapid grain growth in the two accumulation zones around planet gaps is strongly affected by fragmentation. We discuss the consequences for ALMA observations.
Citation
Gonzalez , J-F , Laibe , G , Maddison , S T , Pinte , C & Ménard , F 2015 , ' The accumulation and trapping of grains at planet gaps : effects of grain growth and fragmentation ' , Planetary and Space Science . https://doi.org/10.1016/j.pss.2015.05.018
Publication
Planetary and Space Science
Status
Peer reviewed
DOI
https://doi.org/10.1016/j.pss.2015.05.018
ISSN
0032-0633
Type
Journal article
Rights
© 2015, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Description
This research was partially supported by the Programme National de Physique Stellaire and the Programme National de Planétologie of CNRS/INSU, France, and the Agence Nationale de la Recherche (ANR) of France through contract ANR-07-BLAN-0221. J.-F. Gonzalez's research was conducted within the Lyon Institute of Origins under grant ANR-10-LABX-66. G. Laibe is grateful for funding from the European Research Council for the FP7 ERC advanced grant project ECOGAL. C. Pinte acknowledges funding from the European Commission's FP7 (contract PERG06-GA-2009-256513) and ANR (contract ANR-2010-JCJC-0504-01).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/8936

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